# Michael Baker INTERNATIONAL April30. 2015 U.S. Dept. ofTransportation. Docket Operations West Building Ground Floor. Room w12-140 1200 New Jersey Avenue. SE.. Washington. DC 20590 

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Submitted Electronically via the Federal Docket Management System (FDMS) Re :Addendum to Michael Baker International's March 19. 2015 Exemption Request under Section 333 of the FAA Reform Act and Part 11 ofthe Federal Aviation Regulations Dear Sir or Madam: Michael Baker International has prepared the following addendum to our Exemption Request filed on March19th.This Addendum allows for the inclusion ofVertical Take-Off and Landing (VTOL) UA's as follows: • DJl Phantom 2Vision+ • DJI Phantom 3 • DJIInspire 1 Operating procedures are different for VTOL/Multi-Rotor aircraft and therefore we include additional procedures in this addendum. THE UNMANNED AIRCRAFT (UA}: • OJI Models: Phantom 2Vision+, Phantom 3. and Inspire 1a lightweight (6.Slb. gross weight and under). battery operated Multi-Rotor VTOL aircraft • An on-board flight computer with GPS navigation and location ability that receives signals for flight controls from aground-based transmitter/controller • An on-board camera attached to the UA via a three axis gimbal . capable of capturing full co lor. high definition imagery • An on-board telemetry system that delivers flight data from the on-board flight computer to the on-board radio transmitter including altitude AGL. horizontal and vertica l speed. compass direction offlight and direction back to its launch site THE GROUND STATION-BASED PART OF THE SYSTEM: • A Pilot in Command (PJC) in operational control ofaflight operation from beginning to end and who controls the UA while in the air • A radio transmitter /controller operated by the PIC to control the UA while in flight MBAKERINTL.COM 4431 N. Front Street. 2'ld Floor 

### IHa rri sbu rg. PA 17110 Office:717.221.2000 

### IFax:7 1 7.234.7611

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• A Ground Station (Tablet or Smart Phone based App} which receives and displays real time system telemetry and imagery from the UA • A Visual Observer (VO) is a person who provides a second pair of eyes to visually track the UA while in flight. This Addendum makes no other changes to the original request including exemptions sought. reasons for exemption request. and/or operating parameters. The name and contact information ofthe applicant remains the same:

Robert Hanson Senior Vice President Michael Baker International, LLC. Phone :717-221-2005 Email: rhanson@mbakerintl.com Addendum Adding VTOL UA's Appendix A - Flight Operations/Procedures Appendix B- Operators Manuals (OJ I Models: Phantom 2 Vision+, Phantom 

### 3. and Inspire 1)

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APPENDIX A- FLIGHT OPERATIONS/PROCEDURES PRE-FLIGHT CHECKLIST Prior to operation preflight checklists provided by the manufacturer ofthe UA's will be followed . 1. Remote Controller. Smart Battery, Range Extender and Smartphone are fully charged. 2. Propellers are mounted correctly. 3.Damping absorbers are in good condition. not broken or worn . 4.Camera lens cap has been removed . 

## s. Micro-50 card has been inserted if necessary. 6 .Gimbal is functioning as normal. 7. Motors can start and are functioning as normal. 8.DJI App successfully connects to the UA and camera via Wi-Fi signal. TAKE OFF/LANDING PROCEDURES Manufacturer recommended Takeoff and Landing procedures will be followed . Place the UA on ground with the battery level indicator facing you. 1. Power on the remote controller. 2. Power on the range extender. 3. Switch the camera to the "WIFI ON" position . 4.Power on the aircraft by turning on the intelligent battery 

## s. Connect the mobile device to the UA. run the OJ IApp to enter the camera preview page. 6.Wait until the LED flight indicator starts to slowly blink green/yellow. Thi s means the aircraft is initializing and entering the "Ready to Fly"tReady to Fly (non-GPS)." state .Then proceed to execute the 

## esc command to start motors. 

### 7. Push the throttle stick up slowly to lift the aircraft offthe ground. 8. When landing. be sure to be hovering over a level surface. Pull down on the throttle stick gently to descend and land. 9.After landing the aircraft on the ground. keep the throttle stick at its lowest position for about 3 to 5 seconds which will automatically sto p the motors. DJI FAILSAFE FUNCTION The UA will enter Failsafe mode when the connection from th e remote controller is los t. The flight control system will automatically control the aircraft; return it to home and land safely. The following situations would make the aircraft fail to rece ive a signal from the remote controller and enter Failsafe mode : 1. The remote controller is powered off.

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2.

### The aircraft has flown out ofthe effective communication range ofthe remote controller. 3. There is an obstacle obstructing the signal between the remote controller and the aircraft. essentially reducing the distance the signal can travel. 4.There is interference causing a si gnal problem with the remote controller.

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APPENDI X B- USERS MANUALS (DJ I PHANTOM 2 

### VISION+ . PHANTOM 3. INSPIRE 1}

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