# TCDS TC 645: Howard Aircraft Foundation

- Type: Type certificate data sheet
- Status: Current
- Holder: Howard Aircraft Foundation
- Revision: 3
- Revised: August 17, 2009
- Product: Aircraft, Small Airplane
- Data sheet PDF: https://openairdocs.org/files/sha256/eb/69/eb693d95e74b4edbda811066389be286a21b36161f82a49220294befc82fe3ef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C3B19212BF3C4336862576170062AF50.0001
- Page: https://openairdocs.org/tcds/TC%20645

## Models (2)

As the data sheet lists them.

- DGA-9 (Army UC-70D)
- DGA-12 (Army UC-70A)

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
Page No. 1 2 3 
Rev. No. 3 3 3 
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
 
645 
Revision 3 
HOWARD 
 DGA-9 (Army UC-70D) 
 DGA-12 (Army UC-70A) 
 
August 17, 2009 
 
AIRCRAFT SPECIFICATION NO. 645 
 
 
Holder of Type Certificate: Howard Aircraft Foundation 
    P.O. Box 649 
    Washington, OK  73093 
 
Type Certificate Holder Record:  Jobmaster Co. transf erred ownership to the Howard Aircraft Foundation on 
 December 10, 2003. 
 
I - Model DGA-9 (Army UC-70D), 5 PCLM, Approved June 25, 1937 
 
(Same as Model DGA-8, TC#612, except for engine installation, equipment, and placard speeds.) 
 
 Engine Jacobs L-5 (See also Item 201(a)) 
 Placard limits Maximum, except takeoff – 2000 rpm (285 hp) 
  Takeoff (one minute) – 2000 rpm (285 hp) 
 Placard speeds Level flight or climb – 191 mph True Ind. 
  Glide or dive – 288 mph True Ind. 
  Flaps extended – 108 mph True Ind. 
 Fuel capacity 127 gallons max. (three tanks in fuselage) (See Item 204 and NOTE 3) 
 Oil capacity 8 gallons (-30) 
 Standard weight 3600 lbs. (See NOTE 2) 
 Serial Nos. eligible 200 to 206 inclusive (see NOTE A). 
 
II - Model DGA-12 (Army UC-70A), 5 PCLM, Approved June 25, 1937` 
 
(Same as Model DGA-8, TC#612, except for engine installation, equipment, and placard speeds and minor structural 
changes.) 
 
 Engine Jacobs L-6 (See also Item 201(b)) 
 Placard limits Maximum, except takeoff 
    (Sea level) 24.5 in. Hg., 2100 rpm (300 hp) 
    (3700 ft.) 23.5 in. Hg., 2100 rpm (300 hp) 
  Takeoff (one minute) 
    26 in. Hg., 2200 rpm (330 hp) 
 Placard speeds Level flight or climb – 191 mph True Ind. 
  Glide or dive – 288 mph True Ind. 
  Flaps extended – (45 degrees) – 108 mph True Ind. 
 Fuel capacity 127 gallons max. (three tanks in fuselage) (See Item 204 and NOTE 3)  
 Oil capacity 8 gallons (-30) 
 Standard weight 3800 lbs. 
 Serial Nos. eligible 400 and 401 (see NOTE A).

T.C. 645 Page 2 of 3 
III - Specifications Pertinent to All Models: 
 
 Propeller Maximum permissible diameter 110 in. 
 No. passengers 4 (front +14, rear +56) 
 Baggage 120 lbs. (compartment aft of rear seats) (+84) 
 C.G. limits (+6.3) and (+19.0) (Propeller hub and bottom longeron at tail post same  
  height above ground for leveling) 
 Control surface movements Elevators 28º up 22º down (measured from centerline 
of stabilizer when cord line of stabilizer is parallel to thrust line) 
  Rudder  30º right 30º left 
  Aileron  28º up 22º down 
  Stabilizer 4º up 8º down 
  Wing flaps 45º down 
 Specification basis Type Certificate No. 645 (Aero. Bulletin 7A requirements) 
 
 
EQUIPMENT: 
 (Datum is wing leading edge) (* Means net increase) (See NOTE 4) 
 
Class I:      DGA-9  DGA-12  
  101. Propeller – fixed metal 
    (Curtiss 55501) 56 lbs. (-77) (-66) 
  102. Battery (12V, in engine compartment)     (use actual wt.) (-29) (-29) 
  103. Starter (Eclipse E-80) 25 lbs. (-48) (-37) 
  104. Generator (Eclipse 3171) 17 lbs. (-48) (-37) 
  105. Fuel pump 
    (a)  Romec D2-2-RD1562   5 lbs. (-47.5) ---- 
    (b)  Pesco R-300 B-L-H   5 lbs. ---- (-38) 
  106. Engine ring cowl 35 lbs. (-63) (-50) 
  107. 7.50-10 wheels (Goodyear 10HBM) 
    with 7.50-10 6-ply tires 
    (wheels must be placarded for these tires) 70 lbs (0) (0) 
  108. 10 in. smooth contour tail 
    wheel (Goodyear) with tire   5 lbs. (+194) (+194) 
  109. Engine shielding 
 
Class II: 
200. Miscellaneous items as noted in 
  approved weight and balance report. 
  201. Dual ignition engines 
    (a)  L-5M or L-5MB  15 lbs.* (-60) ---- 
    (b)  L-6M or L-6MB  15 lbs.* ---- (-48) 
  202. Parachute flares 
    (a)  Three 1-1/2 minute  17 lbs. (+80) (+80) 
    (b)  Four 1-1/2 minute  21 lbs. (+80) (+80) 
  203. Heater and ventilator 
    (Carburetor and cabin)    7 lbs. (-30) (-28) 
  204. Fuel Tanks: 
    (a) Front tank – 30 gallons (optional) 17 lbs. (-10) (-10) 
    (b) Main tank -- 60 gallons (standard)  (+28) (+28) 
    (c) Rear tank – 37 gallons (optional) 21 lbs. (+61) (+61) 
  205. Radio, variable (location and 
    actual weight of installation 
    including controls, etc., or  
    name of manufacturer and model 
    if already installed and included in the  
    actual empty weight, should be noted  
    on Inspector’s report.)

T.C. 645 Page 3 of 3 
206. (a) Controllable metal propeller 
   (Hamilton Standard 2B20 hub, 
     with  6135A blades)  52 lbs.* (-77) (-66) 
    (b) Constant speed control 
     (low pitch setting 12 degrees)   5 lbs.* (-46) (-35) 
  207. Pressure fire extinguishers   (-27) or (+14) 
    (a) Pyrene 52   10 lbs. 
    (b) Lux 5C   19 lbs. 
    (c) (2 Pyrene C62)  12 lbs. 
  208. Generator (Eclipse D-15-25)   6 lbs.* (-48) (-37) 
  209. Vacuum pump (Romec B-2A)   4 lbs. (-34) (-38) 
  210. Battery (12V, in engine compartment)     (use actual wt.)  (-29) (-29) 
  211. Exhaust gas analyzer  (Cambridge) 11 lbs.* (-22) (-22) 
  212. Built-in parachutes (rear)  20 lbs. ea (+57) (+57) 
 
Class III. 
  301. Wheels    (0) (0) 
    (a)  7.50-10 (Hayes 750A)    8 lbs.* 
    (b)  7.50-10 (Goodyear 10MBM)   4 lbs.* 
    (c)  6.50-10 (Hayes 651A)    4 lbs.* 
    (d)  6.50-10 (Hayes 561M) Net decrease 2 lbs. 
  302. 10.5 in. streamline tail 
    wheel with tire      2 lbs.* (+194) (+194) 
  303. Wheel streamlines  18 lbs. (+4) (+4) 
  304. Landing lights (Grimes ST-250)   7 lbs. (+22) (+22) 
  305. Special cabin door (left)    5 lbs. (+36) (+36) 
  306. Built-in parachutes (front)  20 lbs. ea. (+15) (+15) 
 
 
NOTE A.  Serial numbers 200 to 206 were produced by Howard Aircraft Corp. as Model DGA-9 from 1937 to 1938. 
   Serial   numbers 400 and 401 were produced by Howard Aircraft Corp. as Model DGA-12 in 1939.  
     Additionally, each new aircraft manufactured after 11/12/40, must, prior to original certification, satisfactorily 
       pass: 
   (a) An inspection for workmanship, materials and conformity before any covering, metal priming or  
    final finish is applied. All woodwork may be varnished. 
   (b) A final inspection of the completed aircraft. 
   (c) A check of the flight characteristics. 
 
NOTE 1  Eligible for export as follows subject to inspec tion for equipment specified in Chapter XII of Inspection  
   Handbook (8/7/41): 
   (a) Canada 
    -  Landplane 
    -  Skiplane  - not eligible. 
 (b) All other countries except Aust ralia, Great Britain and New Zealand. 
 
NOTE 2. Standard weight (DGA-9) may be increased to 3800 lb s. when item 206(a) is installed and airplane is placarded  
   as follows:  
     “Flaps must be fully extended for takeoff when standard weight exceeds 3600 lbs.” 
 
NOTE 3. Fuel tanks and selector valves must be placarded as shown in pertinent weight and balance reports. 
 
NOTE 4. Weight and balance report including list of equipment included in certificated weight empty, and loading  
   instructions when necessary, mu st be submitted for each aircraft with original inspector’s report, 
   and each subsequent report covering ch anges in Class I or Class II equipment. 
 
 
 
 
….END….
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Howard DGA-12](https://openairdocs.org/model/howard-dga-12): 0 aircraft (registry code 4690402)
- [Howard DGA-9](https://openairdocs.org/model/howard-dga-9): 0 aircraft (registry code 4690106)

## STCs approved under this data sheet (9)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and
rotary wing. Airwolf Filter Corporation
- [STC SA02283SE PAGE 1](https://openairdocs.org/stc/SA02283SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc.
- [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc.
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc.
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories.. Electronics International Inc.
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.. M-20 Oil Separators LLC
- [STC SA00068LA](https://openairdocs.org/stc/SA00068LA): Installation of tail wheel adapter ring.. R-R-R-Russ Aircraft

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