December 31, 2014

U. S. Department of Transportation

Docket Management System

1200 New Jersey Ave., SE 

Washington, DC 20590

Re: Exemption Request Section 333 of the FAA Reform Act and Part 11 of the Federal Aviation Regulations 

Dear Sir or Madam:

Pursuant to Section 333 of the FAA Modernization and Reform Act of 2012 (the “Reform Act”), Terraplane, 

LLC (the “Applicant”), planned operator of an Unmanned Aircraft Systems (“UAS”) seeks an exemption from 

Federal Aviation Regulations (“FARs”) listed below and discussed in Appendix A. Attached, as Appendix C, is a 

summary of this request. 

The requested exemption would allow the Applicant to safely, efficiently, and economically use commercial UAS in 

the National Airspace System (NAS), so long as such operations are conducted within and under the conditions 

outlined herein or as may be established by the FAA as required by Section 333.

As described more fully below, the requested exemption would authorize the Applicant to perform commercial 

operations with UAS that will provide the following benefits:

1. Commercial use of UAS to perform aerial acquisition and research in support of government entities, 

agriculture industry, utility companies, local infrastructure, scientific studies, wildlife monitoring, mining, 

surveying, forestry, and much more. All of which are critical to the well-being of the general public. 

2. The use of UAS will decrease congestion in the NAS along with reducing the noise and air pollution 

generated during traditional manned aircraft flight operations. 

3. When using UAS to complement field personnel, they reduce safety concerns when gathering data from 

inaccessible or unstable/unsafe areas and in extreme weather or terrain. 

4. Operation of UAS will substantially reduce the risk to life and property in the air, and on the ground, which 

is commonly associated with traditional manned aircraft flight operations. 

5. Similar to the current manned aircraft flight operations that have been conducted for many decades, UAS 

used for similar tasks will not generate any new privacy issues. 

Approval of this exemption would thereby enhance safety and fulfill the Secretary of Transportation’s (the FAA 

Administrator's) responsibilities under Section 333(c) of the Reform Act to "establish requirements for the safe 

operation of such aircraft systems in the national airspace system." 

The name and address of the applicant are: 

Terraplane, LLC 

Attn: Richard Harberts 

Ph: 319-621-1158 

Email: ruharberts@gmail.com

Address: 148 Colchester Drive 

Iowa City, Iowa, 52245 

The regulations from which the exemption is requested are as follows: 

14 C.F.R. Part 21;

14 C.F.R. 45.23(b);

14 C.F.R. 61.113(a) & (b);

14 C.F.R. 61.133(a);

14 C.F.R. 91.7(a);

14 C.F.R. 91.9(b)(2) & (c);
14 C.F.R. 91.103;

14 C.F.R. 91.109(a);

14 C.F.R. 91.119; 

14 C.F.R. 91.121; 

14 C.F.R. 91.151(a);

14 C.F.R. 91.203(a) & (b); 

14 C.F.R. 91.405(a);

14 C.F.R. 91.407(a)(1);

14 C.F.R. 91.409(a)(2);

14 C.F.R. 91.417(a)

Appendix A discusses each rule listed above and explains why exemptions pursuant to the proposal set 

forth in this letter are appropriate, provide an equivalent level of safety, and are in the public interest. 
QUALIFICATION FOR APPROVAL UNDER SECTION 333 OF THE REFORM ACT

The proposed operations in this petition for exemption qualify for expedited approval under Section 

333 of the Reform Act. Each of the statutory criteria and other potentially relevant factors are 

satisfied. 

The proposed operations would permit the use of small and relatively inexpensive UAS under 

controlled conditions in airspace that is: (1) limited; (2) predetermined; (3) controlled as to access, 

and; (4) would provide an increased level of safety beyond that existing when fixed or rotor wing 

aircraft are used to accomplish the same purpose. 

The UAS's planned to be operated are rotorcraft and fixed wing aircraft, each weighing 

typically less than 15 lbs., and always less than 55 lbs., including payload. They would operate, 

under normal conditions, at a speed of no more than 50 knots. The principal construction 

material of the UAS aircraft would typically be foam and/or plastic. Operations will be 

performed by a qualified UAS Pilot in Command (PIC), as outlined below, to insure that the UAS 

will "not create a hazard to users of the national airspace system or the public." Given the 

small size of the UAS involved and the pre-planned environment within which they will operate, 

the applicant believes that these operations fall squarely within that zone of safety (an 

equivalent level of safety) in which Congress envisioned that the FAA must, by exemption, 

allow commercial operations of UAS to commence immediately. Also, due to the size of the 

UAS and the pre-defined, restricted area in which the UAS will operate, approval of the application 

presents no national security issue. The operation of UAS by knowledgeable professionals 

will serve to enhance safety, add to the public benefit, and reduce environmental impacts

related to current methods of manned aircraft flight operations.

These limitations and conditions to which the operator, or its employees, acting as UAS PIC 

agrees to be bound when conducting commercial operations under an FAA issued exemption:

1. Safety will be the first and foremost consideration in any UAS operation. 

2. The UAS pilot will be considered Pilot in Command (PIC), whether flying or 

supervising, and will be responsible for safe operation of the flight. 

3. Flights will be operated within line of sight of the PIC and/or an observer, which will be 

at a distance of less than one (1) mile. 

4. The UAS will weigh typically less than 15 lbs., and always less than 55 lbs. 

5. The UAS will operate at a maximum speed of no greater than 50 knots. 

6. Flights will be operated in Class G airspace whenever possible. If operation in other 

airspace is required, the relevant controlling agency will be notified at least 24 hours 

prior to the operation and, if required, any necessary permission obtained. 

7. Aircraft shall not be operated within 3 miles of an airport without prior approval of, and 

establishing a line of communication for the duration of the flight operation with, the 

controlling authority of that airport. 

8. Aircraft shall avoid areas where manned aircraft can be expected to be descending 

through 400ft. 

9. Aircraft shall maintain a minimum horizontal separation of no less than one (1) mile 

from all other manned or unmanned airborne aircraft unless that other aircraft is 

maintaining level flight or climbing at an altitude above 8000ft AGL. 

10. If at any time the operator see or hears another aircraft and it appears that aircraft 

may come within one (1) mile of the operator’s system, or it is questionable whether 

or not it will do so, the operator shall immediately descend the system to 100 ft. AGL 

or less and direct the system on a heading toward it’s designated landing area, or 

alternate landing area if necessary, until the system has landed or it is determined the 

other aircraft has maintained a separation of one (1) mile. 

11. Flights will be operated under visibility and cloud clearance requirements equivalent 
to Visual Flight Rules (VFR). 

12. The UAS will at all times give way to any aircraft carrying persons. 

13. Minimum crew for each operation will consist of the UAS PIC. An observer will be 

utilized if the Risk Assessment, as detailed in Section 5.5 of the General Operations 

Manual, determines the need. The observer and PIC will at all times be able to 

communicate by voice. 

14. Prior to a UAS flight, an area of operation will be established. This area of operation 

will include a defined lateral and vertical area, where the UAS will operate. Safety 

procedures will be established for persons, property and applicable airspace within 

the area of operation. 

15. The UAS shall operate from on-site takoff/landing locations directly next to the PIC 

and/or Observer. 

16. Flight planning will include flight completion with at least 20% battery power remaining 

as measured by the UAS or appropriate timing. 

17. The UAS will be equipped with an autopilot system which will be equivalent to or 

better than a Pixhawk, Mikrokopter, WooKong, Sensefly, or Gatewing system. For 

example, the UAS will utilize GPS navigation, failsafe’s, return-to-home (RTH), and 

flight abort safety features, among other built-in safety features. 

18. A Ground Station will be connected, by radio communication, to the UAS during the 

entire flight, which will give the PIC flight information such as GPS Position, Altitude, 

Battery Remaining, and other telemetry information. 

19. A briefing will be conducted in regard to the planned UAS operations prior to 

operation at each new location. All personnel who will be performing duties within the 

boundaries of the area of operation will be present for this briefing. 

20. All required permissions and permits will be obtained from appropriate state, county 

or city jurisdictions, including local law enforcement, fire, or other appropriate 

governmental agencies. 

21. Written, to include electronic, and/or oral permission from the relevant property 

owners will be obtained prior to an operation. 

22. The UAS pilot will be trained in advance for the safe operation of the UAS to be 

operated. This will include operation of the UAS both in normal and emergency 

modes of operation, and will include familiarization with the operation manual (or 

similar) if published by the UAS manufacturer. Training will also include types of 

maneuvers to be performed and the safe operation in relation to persons, property 

and applicable airspace. 

It is the applicant's belief that the size, weight, speed, operating environment, and operating 

capabilities provide an "equivalent level of safety" or better when operating a UAS for the public 

interest as outlined in Section 333 of the Reform Act. It is requested that the FAA issue an 

exemption to permit safe, legal, commercial UAS operation by the applicant as soon as 

possible.

Respectfully submitted,

Richard Harberts

Terraplane, LLC

148 Colchester Drive 

Iowa City, Iowa, 52245 

319-621-1158
Appendix A

EXEMPTION REQUESTS AND EQUIVALENT LEVEL OF SAFETY

The applicant requests an exemption from the following regulations as well as any 

additional regulations that may technically apply to the operation of UAS’s:

14 CFR Part 21, Subpart H: Airworthiness Certificates 

14 CFR § 91.203(a)(1)

Section 91.203(a)(1) requires all civil aircraft to have a certificate of airworthiness. Part 21, 

Subpart H, entitled Airworthiness Certificates, establishes the procedural requirements for the 

issuance of airworthiness certificates as required by FAR § 91.203(a)(1). Given the size of the 

aircraft (typically less than 15 lbs., and always less than 55 lbs.) and the limited operating area 

associated with its utilization, it is unnecessary to go through the certificate of airworthiness 

process under Part 21 Subpart H to achieve or exceed current safety levels.

Such an exemption meets the requirements of an equivalent level of safety under Part 11 and 

Section 333 of the Reform Act. The Federal Aviation Act and Section 333 of the Reform Act 

both authorize the FAA to exempt aircraft from the requirement for an airworthiness certificate, 

upon consideration of the size, weight, speed, operational capability, and proximity to airports 

and populated areas of the UAS involved.

In this case, an analysis of these criteria demonstrates that the UAS operated without an 

airworthiness certificate, under the conditions proposed herein, will be at least as safe, or safer, 

than a conventional aircraft (fixed wing or rotorcraft) with an airworthiness certificate. The UAS 

weighs typically less than 15 lbs., and always less than 55 lbs. fully loaded. It will not carry a 

pilot or passenger, will not carry flammable fuel, and will operate exclusively within an area 

pre-disclosed and in compliance with conditions set forth herein. Operations under this 

exemption will be tightly controlled and monitored by both the operator, pursuant to the 

conditions set forth above, and by local public safety requirements. The FAA will have 

advance notice of all operations through the filing of NOTAMs. Receipt of the prior 

permission of the land owner, the size of the aircraft, the lack of flammable fuel, and the fact 

that the aircraft is carried to the location and not flown there all establish the equivalent level of 

safety. The UAS provides at least an equivalent, and most likely exceeds, level of safety to 

that of such operations being conducted with conventional aircraft that would be orders-ofmagnitude larger and would be carrying passengers, cargo, and flammable fuel. 

14 CFR. § 45.23 & 91.9(c): Marking of the Aircraft

Regulation 45.23 provides:

(a) Each operator of an aircraft must display on that aircraft marks 

consisting of the Roman capital letter “N” (denoting United States registration) 

followed by the registration number of the aircraft. Each suffix letter used in 

the marks displayed must also be a Roman capital letter.

(b) When marks include only the Roman capital letter “N” and the registration 

number is displayed on limited, restricted or light-sport category aircraft or 

experimental or provisionally certificated aircraft, the operator must also 

display on that aircraft near each entrance to the cabin, cockpit, or pilot 

station, in letters not less than 2 inches nor more than 6 inches high, the words 

“limited,” “restricted,” “light-sport,” “experimental,” or “provisional,” as applicable.

Regulation 91.9(c) provides:

No person may operate a U.S.-registered civil aircraft unless that aircraft is 

identified in accordance with part 45 of this chapter.
The UAS has no entrance to the cabin, cockpit, or pilot station on which the markings can be 

placed. Given the size of the UAS, two-inch lettering will be impossible. Official marking 

systems for UAS have not yet been established for operations inside the NAS. The applicant 

is prepared to mark the UAS with the name of the organization and location or origin and fulfill 

any other request by the FAA to this topic in accordance to § 45.29(f) where the pilot, 

observer, and others working with the UAS will see the identification of the UAS.

The FAA has issued the following exemptions to this regulation; see Exemption Nos. 8738, 

10167, 10167A and 10700.

14 CFR § 61.113(a) & (b); 61.133(a): Private Pilot Privileges and Limitations; Pilot in

Command; Commercial Pilot Privileges and Limitations.

Section 61.113(a) & (b) limit private pilots to non-commercial operations. Unlike a conventional 

aircraft that carries a pilot, passengers, and cargo, the UAS in this case is remotely controlled 

with no passengers or property of others on board. Section 61.133(a) requires an individual with 

a commercial pilot’s license to be pilot in command of an aircraft for compensation or hire. 

The applicant respectfully proposes that operator requirements should take into account the 

characteristics of the particular UAS. Most UAS autopilot’s have a high degree of 

pre-programmed control and various built-in technical capabilities that strictly limit the potential 

for operation outside of the operating conditions set forth in the exemption application. Hands-on 

experience with the UAS are a far more effective guarantee of flight safety than a commercial 

pilot certificate would be, until the FAA Pilot Certificate requirements catch up to the UAS 

technology.

The UAS autopilots have an all-digital software platform with advanced features previously 

restricted to full size unmanned aircraft. Automated features and advanced fly-safe controls 

enable safe, reliable operation, as well as advanced networking capabilities and system 

extensibility. 

● The system can autonomously fly a programmed flight path or fly in manual mode

● Flight time and battery minutes are displayed at all times. The system will return 

home and land automatically if user-configurable limits are reached. 

Flight safety is a priority, no matter the operating environment or project. UAS offer

superior safety over manned aircraft by removing the need for people to be onboard in 

potentially dangerous situations. With multiple built-in safety features, UAS platforms lead 

manned operations with respect to safety. 

● The UAS automatically detects potential issues - with configurable automated 

response behavior such as a return-home-and-land routine

● The UAS self-calibrate all of their sensors and perform required failsafe pre-flight tests 

prior to takeoff to check for errors

● The UAS have the ability to set up visual no-fly zones or create a virtual fence so the UAS 

can’t fly horizontally or vertically beyond the pre-planned flight area

● The UAS have battery minutes and flight time displayed at all times. The system will 

return home and land automatically if user-configurable limits are reached

● The UAS auto detect a lost GPS, warns the pilot and initiates an immediate landing.

● Low battery on the UAS triggers a Non- Fatal Warning alarm to return home, land 

and replace the battery

● If UAS detect a lost-link to the Ground Station the vehicle will perform its pre-defined

Non-Fatal Condition Response.

Given these safety features, the applicant proposes that operators of UAS with these 

features should not be required to hold a commercial or private pilot certification. Instead, 
operators should be required to:

● have successfully completed, at a minimum, FAA private pilot ground instruction and 

passed the FAA Private Pilot written examination or FAA-recognized equivalents 

including ICAO issued commercial, private license and ground school; operators will 

therefore receive instruction in aeronautical navigation, meteorology, and aviation 

regulations prior to conducting commercial UAS operations.

● have completed a training program for operation of the UAS, if available. 

● have completed 4 hours (25 flights) of training on the UAS and/or simulator before 

commencing commercial operations. 

The applicant notes that the FAA has found that safety factors permitted operation of UASs 

by operators with these qualifications in the case of operations pursuant to public COAs 

where the mandatory operating conditions specified above are present. See Federal Aviation 

Administration, Notice N-8900.227, Unmanned Aircraft Systems (UAS) Operational Approval, 

at 20-21 (July 30, 2013). The FAA has the statutory authority, granted at 49 U.S.C.§44701(f) to 

waive the pilot requirements for commercial operations. 

The applicant notes that the FAA has required a private pilot’s certificate on prior Section 333 

exemptions due to the statutory requirement to hold an airman certificate as prescribed in 49 

U.S.C.§44711. The applicant feels that if a private pilot’s certificate is requested, the FAA should 

consider a student pilot’s certificate as an alternative. The only difference between the two is 

that a private pilot’s certificate requires flying hours in a manned aircraft. The FAA and the 

applicant both agree that hours in a manned aircraft add no benefit to the safe operation of a 

UAS. 

The applicant notes that the FAA has mentioned that a pilot certificate subjects the pilot to a 

security screening by the Department of Homeland Security. To satisfy this requirement, while 

not obtaining a pilot certificate, the applicant will require all UAS pilots to undergo an equivalent 

or better security screening by the Department of Homeland Security at the pilot’s expense.

Given these conditions and restrictions, an equivalent level of safety will be provided by 

allowing operation of the UAS without a private pilot’s certificate or a commercial pilot’s 

certificate, under the conditions set forth herein. 

The risks associated with the operation of the UAS (given its size, speed, 

operational capabilities, and lack of combustible fuel) are so diminished from the level of 

risk associated with private pilot operations or commercial operations contemplated by Part 

61 with conventional aircraft (fixed wing or rotorcraft), that allowing operations of the UAS as 

set forth above meets or exceeds the present level of safety provided under 14 C.F.R. § 

61.113(a) & (b) and does not rise to the level of requiring a commercial pilot to operate the 

aircraft under § 61.133(a). 

14 CFR § 91.7(a): Civil aircraft airworthiness.

This regulation requires that no person may operate a civil aircraft unless it is in airworthy 

condition. Should the exemption be granted allowing commercial operation of UAS without an 

airworthiness certificate, no standard will exist for airworthiness of the UAS. Given the size 

of the UAS and the previous COAs issued for similar UAS, an equivalent level of safety will 

be achieved by ensuring compliance with the given UAS manuals and use of safety checklists 

prior to each flight.

14 CFR § 91.9(b)(2): Civil Aircraft Flight Manual in the Aircraft.

The regulation provides:

No person may operate a U.S.-registered civil aircraft ...
(2) For which an Airplane or Rotorcraft Flight Manual is not required by §21.5 of 

this chapter, unless there is available in the aircraft a current approved airplane 

or Rotorcraft Flight Manual, approved manual material, markings, and 

placards, or any combination thereof.

Given the size of UAS, they have no ability or place to carry such a flight manual on the 

aircraft, not only because there is no pilot on board, but because there is no room or capacity 

to carry such an item on the aircraft.

The equivalent level of safety will be achieved by keeping the flight manual at the ground 

control point where the pilot flying the UAS will have immediate access to it. The FAA has 

issued to others the following exemptions to this regulation: Exemption Nos. 8607, 8737, 8738, 

9299, 9299A, 9565, 9565B, 10167, 10167A, 10602, 32827, and 10700.

14 CFR § 91.103: Preflight action

This regulation requires each pilot in command to take certain actions before flight to insure the 

safety of flight. As FAA approved rotorcraft flight manuals will not be provided for the aircraft an 

exemption will be needed. An equivalent level of safety will be provided by following a 

comprehensive preflight checklist. The PIC will take all actions including reviewing weather, 

flight battery requirements, landing and takeoff distances and aircraft performance data 

before initiation of flight.

14 CFR § 91.109(a) & 91.319(a)(1): Flight Instruction

These regulations provide that no person may operate a civil aircraft (except a manned free 

balloon) that is being used for flight instruction unless that aircraft has fully functioning dual 

controls.

The UAS are remotely piloted aircraft and by design, do not have fully functional dual controls. 

Flight control is accomplished through the use of a control box that communicates with the 

aircraft via radio communications. The flight plan is either manually controlled through pointand-click navigation or preprogrammed as way points into the auto pilot before or during 

flight and only in unusual circumstances will the pilot input control functions to alter the 

pre-programmed flight. Given the size and speed of the UAS, an equivalent level of safe training 

can still be performed without dual controls because no pilot or passengers are aboard the UAS, 

and all persons will be a safe distance away should the UAS experience any difficulties during 

flight instruction. The FAA has approved exemptions for flight training without fully functional 

dual controls for a number of aircraft and for flight instruction in experimental aircraft. See 

Exemption Nos. 5778K & 9862A.

14 CFR § 91.119: Minimum Safe Altitudes

Section 91.119 establishes safe altitudes for operation of civil aircraft. Specifically, 91.119(c) 

limits aircraft flying over areas other than congested areas to an altitude of 500 feet above 

the surface, except over open water or sparsely populated areas. In those cases, the aircraft 

may not be operated closer than 500 feet to any person, vessel, vehicle, or structure.

Because aerial survey, mapping and inspection work must be accomplished at relatively low 

altitudes and at altitudes less than 500 feet AGL, an exemption from Section 91.119(c) is 

needed.

The equivalent level of safety will be achieved given the size, weight, speed, and material 

with which UAS are built. Also, no flight will be taken without the permission of the land owner 

or those who control the land. Because of the advance notice to the landowner, all affected 

individuals will be aware of the flights. Compared to aerial survey operations conducted 

with aircraft or rotorcraft weighing far more than 55 lbs. and carrying flammable fuel, any risk 
associated with these operations will be far less than those currently allowed with 

conventional aircraft operating at or below 500 feet AGL. Indeed, the low-altitude operations 

of the UAS will maintain separation between these UAS operations and the operations of 

conventional aircraft that must comply with Section 91.119. 

14 CFR § 91.121: Altimeter Settings

Section 91.121 requires a person operating an aircraft to maintain cruising altitude or flight level 

by reference to an altimeter that is set to the elevation of the departure airport or barometric 

pressure. Some UAS have a barometric pressure sensor, while others only use GPS for 

elevation or altitude. When a barometric pressure sensor is on the UAS, it is typically “zeroed” at 

the point of take-off; this is right next to the PIC and not at a departure airport. The altitude 

reading will be relative to that point (on the ground) and not a known elevation. 

The equivalent level of safety will be achieved by the PIC confirming the elevation or altitude of 

the launch site. The altitude of the UAS will also be displayed via telemetry on the Ground Station 

and will be constantly monitored by the PIC during the entire flight operation. 

14 CFR § 91.151(a): Fuel Requirements for Flight in VFR Conditions

This regulation prohibits an individual from beginning “a flight in an airplane under VFR 

conditions unless (considering wind and forecast weather conditions) there is enough fuel to fly 

to the first point of intended landing and, assuming normal cruising speed – (1) During the day, 

to fly after that for at least 30 minutes; or (2) At night, to fly after that for at least 45 minutes.”

The different UAS batteries provide a variety of powered flight times. An exemption from § 14 

CFR 91.151 is therefore required.

The applicant believes that an exemption from 14 CFR § 91.151(a) is safe and within the 

scope of a prior exemption. See Exemption 10673 (allowing Lockheed Martin Corporation to 

operate without compliance with 91.151(a)). Operating the UAS, without 30 minutes of reserve 

fuel does not engender the type of risks that Section 91.151(a) was meant to prevent given 

the size and speed at which the UAS operates. The fact that it carries no pilot, passenger, 

or cargo also enhances its safety. In the unlikely event that the UAS should run out of fuel, it 

would simply land. Given its weight and construction material, the risks are less than 

contemplated by the current regulation.

The applicant believes that an equivalent level of safety can be achieved by maintaining 20% of 

reserve fuel (or battery), which would be more than adequate to return the UAS to its planned 

landing zone from anywhere in its operating area.

The FAA has granted similar exemptions to others, including Exemptions 2689F, 5745, 

10673 and 10808.

14 CFR § 91.203 (a) & (b): Carrying Civil Aircraft Certification and Registration

This regulation provides as follows:

(a) ... no person may operate a civil aircraft unless it has ... an appropriate 

and current airworthiness certificate.

(b) No person may operate a civil aircraft unless the airworthiness certificate 

required by paragraph (a) of this section or a special flight authorization issued 

under §91.715 is displayed at the cabin or cockpit entrance so that it is legible 

to passengers or crew.

The UAS fully loaded weigh typically less than 15 lbs., and always less than 55 lbs. As such, 

there is no ability or place to carry certification and registration documents or to display them 
on the UAS. In addition, there is no pilot on board the aircraft.

An equivalent level of safety will be achieved by keeping these documents at the ground 

control point where the pilot flying the UAS will have immediate access to them. The FAA 

has issued numerous exemptions to this regulation. A representative sample of other 

exceptions includes Exemption Nos. 9565, 9665, 9789, 9789A, 9797, 9797A, 9816A, and 

10700. 

14 CFR § 91.405(a); 407(a)(1); 409(a)(2); 417(a): Maintenance Inspections

Section 91.405(a) requires that an aircraft operator or owner “shall have that aircraft inspected 

as prescribed in subpart E of this part and shall between required inspections, except as 

provided in paragraph (c) of this section, have discrepancies repaired as prescribed in part 43 

of this chapter ...” Section 91.407 similarly makes reference to requirements in Part 43; 

Section 91.409(a)(2) requires an annual inspection for the issuance of an air worthiness 

certificate. Section 91.417(a) requires the owner or operator to keep records showing certain 

maintenance work that has been accomplished by certificated mechanics, under Part 43, or 

licensed pilots and records of approval of the aircraft for return to service. 

The UAS are nearly maintenance free, they perform automatic pre-flight checks and the failure 

of any check will prevent take-off. Checks which cannot be done by the system will be 

performed by a qualified person prior to each flight and at predefined intervals as part of a 

maintenance schedule.

Pre-flight checklist includes:

1. Visual inspection of the airframe

2. Visual inspections of rotor integrity

3. Check charge of all batteries (aerial vehicle, command station, radio repeater station)

An equivalent level of safety will be achieved because the UAS is small in size, will carry no 

external payload, will operate only in restricted predetermined areas and is not a complex 

mechanical devise. The operator of aUAS will ensure that it is in working order prior to 

initiating flight, perform required maintenance, and keep a log of any maintenance that is 

performed. Moreover, the operator is the person most familiar with the aircraft and is best 

suited to maintain the aircraft in an airworthy condition and to ensure an equivalent level of 

safety. 

If mechanical issues arise, the UAS can land immediately due to the pre-determined area of 

operation. Moreover, the UAS's small size, carrying capacity, and the fact that flight operations will 

only take place in restricted areas for limited periods of time, create less risk than the same factors 

associated with conventional fixed-wing aircraft and rotorcraft performing the same operation.
APPENDIX C

SUMMARY OF SECTION 333 EXEMPTION REQUEST

Terraplane, LLC hereby provides pursuant to Part 11 a summary of its exemption application to 

allow commercial operation of UAS for aerial acquisition and research in support of government 

entities, agriculture industry, utility companies, local infrastructure, scientific studies, wildlife 

monitoring, mining, surveying, forestry, and much more. All of which are critical to the well-being 

of the general public. An exemption is requested from the following regulations:

14 C.F.R. Part 21;

14 C.F.R. 45.23(b);

14 C.F.R. 61.113(a) & (b);

14 C.F.R. 61.133(a);

14 C.F.R. 91.7(a);

14 C.F.R. 91.9(b)(2) & (c);

14 C.F.R. 91.103;

14 C.F.R. 91.109(a);

14 C.F.R. 91.119; 

14 C.F.R. 91.121;

14 C.F.R. 91.151(a);

14 C.F.R. 91.203(a) & (b);

14 C.F.R. 91.405(a);

14 C.F.R. 91.407(a)(1);

14 C.F.R. 91.409(a)(2);

14 C.F.R. 91.417(a).