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Mark E. McKinnon

703.336.8708

Matthew J. Clark

703.336.8714

Email Address

mmckinnon@mckennalong.com

mclark@mckennalong.com

June 10, 2015

VIA EMAIL

U.S. Department of Transportation

Docket Management System

1200 New Jersey Ave., SE

Washington, D.C. 20590

Re: Additional Information in Support of Motown Digital, LLC's Petition for 

Exemption (Docket No. FAA-2015-0529)

Dear Ms. Daniels:

As you are aware, this office represents Motown Digital, LLC regarding the abovereferenced Petition for Exemption, in which Motown Digital seeks regulatory relief to allow 

commercial operation of small unmanned aircraft system (sUAS). We are in receipt of your email 

correspondence dated May 28, 2015, requesting additional information regarding Motown Digital's 

Petition for Exemption. Please accept this letter as Motown Digital's response to those questions. 

For ease of use, we have listed your questions below in red, followed by Motown Digital's answers 

in black.

Question: Describe the aircraft make, model, and type (i.e. - fixed-wing, rotorcraft, lighter-than-air) 

for the proposed UAS operation. The description should include the maximum weight (including 

payload). This information can be located in the aircraft manual.

Answer: Motown Digital intends to use the DJI Spreading Wings s900 for the proposed operations 

in the Petition for Exemption. The aircraft has 6 electric motors in a hexacopter configuration, and 

has a maximum takeoff weight of 8.2kg (~18.1 lbs). The aircraft will be controlled using a Futaba 

14sg transmitter which operates on a control frequency of 2.4 GHz. The chart below includes 

additional specifications for the aircraft: 

Frame

Diagonal Wheelbase 900 mm

Frame Arm Length 358mm

Frame Arm Weight

(with Motor, ESC, Propeller)

316g

Center Frame Diameter 272mm
 

Nia Daniels Docket No. FAA-2015-0529

June 10, 2015

Page 2

Center Frame Weight (with Landing 

Gear Mounting Base, Servos)

1185g

Landing Gear Size 460 

mm(Length)x450mm(Width)x36Omm(Height)

Motor

Stator Size 41x14mm

kV 400 rpm/V

Max Power 500W

Weight (with Cooling Fan) 158g

ESC

Working Current 40A

Working Voltage 65 LiPo

Signal Frequency 30Hz - 450Hz

Drive PWM Frequency 8KHz

Weight (with Radiators) 35g

Foldable Propeller (1552/1552R)

Material High strength performance engineered plastics

Size 15x5.2 inch

Weight 13g

Flight Parameters

Takeoff Weight 4.7Kg - 8.2Kg

Total Weight 3.3Kg

Power Battery LiPo (6S, 10000mAh - 15000mAh, 15C(Min))

Max Power Consumption 3000W

Hovering Power Consumption 1000W (@6.8Kg Takeoff Weight)

Hovering Time 18min (@12000mAh & 6.8Kg Takeoff 

Weight) 

Working Environment Temperature -10°C - 40°C

Question: Provide a copy of the Motion Picture and Television Operations Manual (MPTOM) 

which is required by Order 8900.1, Volume 3, Chapter 8, Section 1. If you wish for us to proceed 

without this manual and remove closed-set filming from your proposed operation please inform of us 

of your intention by the requested response date listed below.

Answer: A copy of the Motown Digital, LLC sUAS Movie Production and Television Operations 

Manual (MPTOM) was submitted electronically via email to 333exemptions@faa.gov on June 10, 

2015. Petitioner submits this additional material as a confidential document under 14 C.F.R. 
 

Nia Daniels Docket No. FAA-2015-0529

June 10, 2015

Page 3

§ 11.35(b), as it contains confidential commercial and proprietary information that Petitioner has not 

and will not share with others. Similarly, the document contains operating conditions and 

procedures that are not available to the public and are protected from release under the Freedom of 

Information Act, 5 U.S.C. § 552 et seq. 

We hope this adequately answers all of your questions. If you have any questions or require 

any additional information to process Motown Digital's Petition, please do not hesitate to call or 

email us. 

Very truly yours,

Mark E. McKinnon

Matthew J. Clark

Counsel for Motown Digital, LLC