TCDS TC 752

MODEIS: Sikorsky VS-44-A, 39 PCFLM I.C. NUMBER: 752 (Approved 7/14/43) Engine 4 P & W Twin Wasps S1C3G, geared 16:9 with one 3-1/2 N damper and spline coupled type reduction gear Fuel 100 minimum octane aviation gasoline Engine limits Maxima leet 41.5 in. Rg., 2550 kpm (1050 hp) (Straight line manifold pressure variation with altitude to 7500 ft.) 39.5 in.Hg.. 2550 rpm (1050 hp) Take-off (two 48.0 in.Hg.. 2700 rpm (1200 hp) Airspeed limits (True Ind.) Weight Level Flight or Climb Glide or Dive Flaps Extended (20 degrees) 211 mph (183 knots) 236 mph (205 knots) 144 mph (125 knots) 185 mph (161 knots) 221 mph (192 knots) 144 mph (125 knots) Ceiling See approved Operating Manual C.G. range (310.61) to (321.28) Datum Bow of hull, 227.37 inches forward of wing root leading edge Leveling means Plumb at station 687 in the hull Maximum weight Landing - 51809 1bs. No. seats 39 (passengers 28 maximim day type, 16 maximum sleeper type, crek 4 to 11) Maximum baggage (See NOTE 3) Fuel capacity 3820 gallons total (one main tank in wing center (Placard) (324.4), one reserve tank in ving center section 100 gallons (277.8), one tan for auxiliary powerpiant 50 gallons (278.0), twc outboard center king tanks 540 gallons each (338.0)) oil capacity 210.75 gallons total (one 52 gallon tank in each outboard nacelle (275), one 52 gallons tank in each inboard nacelle (254) deck for auxiliary powerpiant one 2.75 gallon tank on Control surface Elevator trim tab Up 10 degrees Down 20 degrees movements Up 25 degrees Down 20 degrees Down 15 degrees Up 25 degrees Rudder trim tab Right 15 degrees Left 15 degrees 23.5 degrees Left 23.5 degrees Rudder balance tab Right 14.5 degrees Left 14.5 degrees Serial numbers eligible 1401 and up (See NOTE 4) Required equipment Items 101, 102, 103 and 104 SPECIFICATIONS PERTINENT TO ALL MODELS: Certification basis Type Certificate NO. 752 (CAR 4а, Transport Category) Production basis None (See NOTE A) Export eligibility Eligible for export to all countries except Australia and New Zealand, subject to provisions of MOP 2-4. Propellers and Propeller Accessories (except De-Icing Equipment) Propellers - Hamilton Standard hubs 33D50, blades 6257A-6 to 6257A-9, Diameter 12'7i maximum, 12:3-3/4" minimum. blade models see Propeller Specification Minimum low pitch setting 21.5 degrees at 42" station. (See NOTE 2.) Engine and Engine Accessories - Fuel and Oil System dump valve installation per Drawing VS-5371. Electrical and Radio Equipment (As noted in approved copy of pertinent report (see NOTE 1). Interior Equipment 103. Approved Operating Manual (current issue) (See NOTE 4) De-Icing Equipment 201- De-Icer installation A. Goodrich C-333 Boots and attachments - wing (removable) 120.0 1bs. (234) Boots and attachments - empennage (removable) 42.6 1bs. (804) Vacuum pumps end Sep. 48.2 1bs. (225) Piping, etc. (fixed) 110.8 1bs. (365) Four slinger rings (Hamilton 54713A) (removable) 4.0 1bs. (186) Pump, tank, piping, etc. (removable) 24.3 1bs. (247) 20 gallon de-icer fluid 143.8 1bs. (247 Hull ice protection plates 25.0 1bs. 1179 (removable) Miscellaneous (not listed above) 104. and 102. Additional equipment as noted in approved copy of pertinent report (see NOTE 1). Prior to originally certification, each aircraft must satisfactorily in inspection for workmanship, materials, and conformity before any covering, metal priming or final finish is applied. All woodwork may be varnished. A final inspection of the completed aircraft. A check of the flight characteristics. 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 change in effective equipment. NOTE 2. Continuous operation of engines between 1400 and 1600 rpm should be avoided when Hamilton Standard 33D propellers are installed. NOTE 3. Maximum capacity of baggage compartments: Vol.Cap. Wgt.Cap. Hor. Hull front compartment Sta. 102 to 166 - leit Hull front compartment Sta. 102 to 166 - right Hull rear compartment Sta. 768 to 850 - left Wing compartment - left wing compartment - right The following placard shall be placed on the instrument panel in full view of the pilot: Operating Manual for compartment at all times."