TCDS TC 672

Page No. 1 2 3 Rev. No. 3 3 2 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION AIRCRAFT SPECIFICATION NO. 672 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-11, 5 PCLM, Approved October 30, 1937 Engine P&W Wasp Jr. SB with one 4-1/2N and one 9 N damper Fuel 80 minimum octane (CFR) (87 minimum for takeoff) Placard limits Maximum, except takeoff: (Sea level) 34.5 in. Hg., 2200 rpm (400 hp) (Straight line manifold pressure variation with altitude to 5000 ft.) 33.5 in. Hg., 2200 rpm (400 hp) Takeoff (one minute): 36.5 in. Hg., 2300 rpm (450 hp) Propeller Maximum permissible diameter 103 in. Placard speeds Level flight or climb – 200 mph True Ind. Glide of dive – 270 mph True Ind. Flaps extended – 108 mph True Ind. Fuel capacity 127 gallons max. (three tanks in fuselage) (See Item 208 and NOTE 4) Oil capacity 8 gallons (-30) No. passengers 4 (front +14, rear +56) Baggage 120 lbs. (compartment aft of rear seats) (+84) Standard weight 4100 lbs. C.G. limits (+10.2) and (+20.6) 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 Spec. basis Type Certificate No. 67 2 (Aero. Bulletin 7A requirements) Serial Nos. eligible 300 to 303 inclusive (see NOTE A). EQUIPMENT: (Datum is wing leading edge) (* Means net increase) (See NOTE 3) Class I: 101. Engine ring cowl (See NOTE 2) 35 lbs. (-39.5) 102. 10.5 in. streamline steerable tail wheel (Goodrich) 7 lbs. (+194) 672 Revision 3 HOWARD DGA-11 August 17, 2009 TC 672 Page 2 of 3 103. 7.50- 10 wheels (Goodyear 10HBM) with 8.50- 10 6-ply tires (wheels must be pl acarded for these tires) 76 lbs (0) 104. Propeller - Hamilton Standard 2D30 hub with 6095A-15, 6095A-16, 6167A-15, or 6167A-16 blades. For interchangeable blade models see Propeller Specification No. 206 (NOTE 6). Diameter 8’ 3-1/8” maximum, 8’7/8” minimum. 154 lbs. (-62) 105. Oil cooler (G & O Model B-2617-1) 15 lbs. (-28) Class II: 200. Miscellaneous items as noted in approved weight and balance report. 201. Starter (Eclipse F-141-M-2394) 25 lbs. (-29) 202. Generators (a) Eclipse G 17 lbs (-34.5) (b) Eclipse D 23 lbs. (-34.5) 203. Wheel streamlines 24 lbs. (+5) 204. Battery (12V, aft of baggage compartment) (use actual wt.) (+104) 205. One or two landing lights (Grimes) 4 lbs. each (+19) 206. Heater (cabin and carbu retor) 7 lbs. (-39) 207. Flares (four 1-1/2 minute) 21 lbs. (+80) 208. Fuel Tanks: (a) Front tank – 30 gallons (optional) 17 lbs. (-10) (b) Main tank -- 60 gallons (standard) (+28) (c) Rear tank – 37 gallons (standard) 21 lbs. (+61) 209. Constant speed propeller control 5 lbs. (-32) 210. Pressure fire extinguisher 12 lbs. (-27) or (+14) 211. 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 weight empty, should be noted on inspector’s report) 212. Cambridge exhaust analyzer 11 lbs. (-22) 213. Built-in parachutes (rear) 20 lbs. each (+57) 214. Vacuum pump (Romec B2A) 4 lbs. (-36) 215. Miscellaneous extra instruments 5 lbs (-15) 216. Engine (must have one 4 ½ N and one 9 N damper) Use actual weight increase (a) P & W Wasp Jr. SB-2 (limits same as SB) (b) P & W Wasp Jr. SB-3 (limits same as SB) (c) P & W Wasp Jr. T1B2 limits: Maximum, except takeoff: (Sea level) 35 in. Hg., 2200 rpm (400 hp) (Straight line manifold pressure variation with altitude to 3800 ft.) 34 in. Hg., 2200 rpm (400 hp) Takeoff (one minute): 35 in. Hg., 2200 rpm (400 hp) 37.5 in. Hg., 2300 rpm (450 hp) (d) P & W Wasp Jr. T1B3 (limits same as T1B2, Item 216(c) above) (e) Military R-985-AN-4 (limits same as SB) (f) Military R-985-AN-6 or –AN-6B (limits same as SB) (g) Military R-985-AN-12 or –AN-12B (limits same as SB) (h) Military R-985-AN-14B (limits same as SB) (i) Military R-985-25 (limits same as T1B2, item 216(c) above) TC 672 Page 3 of 3 (j) Military R-985-AN-1 or –AN-3 (limits same as T1B2, Item 216(c) above) (k) R-985-13, -17, -19, -23, -48, -50, -AN-2, or –AN-9 (limits same as SB) (l) R-985-27 (limits same as T1B2) Class III: 301. Built-in parachutes (front) 20 lbs each (+15) 302. 10.5 in. streamline steerable tailwheel No change in weight (per Drawing D-13-02, change C) NOTE A. Serial numbers 300 to 303 were produced by Howard Aircraft Corp. as Model DGA-11 in 1938 and 1939. Additionally, each new aircraft manufactured af ter 11/12/40, must, prior to original certification, satisfactorily pass: (a) An inspection for workmanship, mate rials 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 inspection for equipment Specified in Chapter XII of Inspection Handbook: (a) Canada - Landplane - Skiplane - not eligible. (b) All other countries except Great Britain, Australia and New Zealand. NOTE 2. Serial Nos. 302 and up incorporate modified engine cowl, electrical equipment, instrument panel, and minor structural changes. NOTE 3. Weight and balance report including list of equipment included in certificated weight empty, and loading instructions when necessary, must be submitted for each aircraft with original inspector’s report, and each subsequent report covering changes in Class I or Class II equipment. NOTE 4. Fuel tanks and fuel selector valves must be placarded as shown in pertinent weight and balance report. ….END….