August 24, 2015

PETRA, Inc.

Attn: Corey King

 1097 N. Rosario Street, Suite 200

Meridian, ID 83642

Ph: (208) 323-4500

Cell:(208) 473-8260

cking@petrainc.net

RE: Petition for Exemption Filed under Section 333

To Whom it May Concern:

PETRA, Inc. is seeking an exemption under Section 333 to fly the Utilize the DJI Phantom 3 

Advanced Quadcopter Drone with 1080p HD Video Camera Unmanned Aircraft System for 

business purposes at construction project sites. Purpose of flights will be to conduct aerial photography

and videography to enhance safety checks on OSHA regulations, subcontractor work inspections, 

and market company’s construction projects.

The unmanned aircraft system PETRA will use is a light weight drone that will not exceed 100 feet 

in the air. As a result of its size, weight, speed, operational capability, and proximity to airports 

and populated areas, the drone will be operated within visual line of sight does not create a 

hazard to users of the national airspace system or the public or pose a threat to national security. 

If a certificate of waiver, certificate of authorization, or airworthiness certification under 49 USC § 

44704, is required for the operation of unmanned aircraft systems, PETRA, Inc. would like to file 

for an exemption of this as well.

The specific section or sections of 14 CFR from which PETRA, Inc. seek an exemption;

1. Part 21 Airworthiness Certification:

a. 21, Subpart H Certification procedures for products and parts, Airworthiness 

Certificates

2. Part 61 Certification: Pilots, Light Instructors, and Ground Instructors

3. Part 67 Certification: Medical

4. Part 91 General Operating and Flight Rules:

a. 91.103(b)(2) Preflight action

b. 91.105 Flight crewmembers at stations

c. 91.109 Flight instruction

d. 91.119 Minimum safe altitudes

e. 91.121 Altimeter settings

f. 91.151 Fuel requirements for flights in VFR conditions

g. 91.405 Maintenance required

h. 91.407 Operation after maintenance

i. 91.409 Inspections

j. 91.417 Maintenance records
The extent of relief and the reason we seek the relief; a special airworthiness certificate in the 

experimental category under Title 14 of the Code of Federal Regulations (14 CFR) § 21.191 for the 

purposes of research and development, crew training, or market survey. PETRA will utilize the DJI 

Phantom 3 Advanced Quadcopter Drone with 1080p HD Video Camera Unmanned Aircraft System 

to conduct aerial photography and videography to enhance safety checks on OSHA regulations, 

subcontractor work inspections, and market company’s construction projects.

About the UAS:

DJI Phantom 3 Advanced Quadcopter Drone with 1080p HD Video Camera (UAS) includes GPS 

navigation with auto takeoffs and auto landings, intelligent high power flight battery, a built-in 

safety database of no fly zones, and a powerful mobile app for your iOS or Android device. This 

unit will be run with an ipad or an iphone. This drone features a high definition camera with a 

video recording capability, plus flight data sharing, and streams in absolute clarity, enabling safe 

flying.

Weight: 8.6 pounds

Dimensions: 8x13x18 inches

Batteries: 1 Lithium ion battery, with 23 minutes of fly time.

Distance: 1.2 miles from operator.

From takeoff to landing, DJI Phantom 3 Advanced Quadcopter Drone with 1080p HD Video Camera 

(UAS) responds to commands while automatically handling the most complex aspects ofsafe,

stable flight.

The reasons why granting the exemption would not adversely affect safety, or how the exemption 

would provide a level of safety at least equal to that provided by the rule from which we seek the 

exemption: Safety will be increased if workers know there is an eye in the sky recording work on 

the jobsite. This will also allow Project Managers and Superintendents to review for safety 

compliance. All other safety pre-cautions will be observed and obeyed in accordance with OSHA 

regulations and PETRA, Inc.’s safety program.

Summary to publish in the FEDERAL REGISTER: PETRA, Inc. is seeking relief for a special airworthiness 

certificate in the experimental category under Title 14 of the Code of Federal Regulations (14 CFR) 

§ 21.191 for the purposes of research and development, inspection and marketing.

1. (1) The rule from which you seek the exemption; Part 21 Airworthiness Certification

a. 21, Subpart H Certification procedures for products and parts, Airworthiness 

Certificates

2. Part 61 Certification: Pilots, Light Instructors, and Ground Instructors

3. Part 67 Certification: Medical

4. Part 91 General Operating and Flight Rules

a. 91.103(b)(2) Preflight action

b. 91.105 Flight crewmembers at stations

c. 91.109 Flight instruction

d. 91.119 Minimum safe altitudes

e. 91.121 Altimeter settings

f. 91.151 Fuel requirements for flights in VFR conditions

g. 91.405 Maintenance required

h. 91.407 Operation after maintenance

i. 91.409 Inspections

j. 91.417 Maintenance records
Additional information, views or arguments available: PETRA, Inc. has a client that requires drone 

use on all of their construction sites to give them real time data, live reviews of the project and

ability to track timelines when they are not able to visit the construction site themselves.

PETRA, Inc. does not want an exemption outside the United States.

Thank you,

Corey King

PETRA, Inc.

1097 N. Rosario Street, Suite 200

Meridian, ID 83642

Ph: (208) 323-4500

Cell: (208) 473-8260

cking@petrainc.net