# TCDS TC 752: Sikorsky Aircraft Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Sikorsky Aircraft Corporation
- Revision: 0
- Revised: July 14, 1943
- Product: Aircraft, Small Airplane
- Certification basis: CAR 4a
- Data sheet PDF: https://openairdocs.org/files/sha256/cc/46/cc46c66c637586397dec02d74daba38d94e92912a6097c1889c8dff284adb1e1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DBECA96BA96F89C48525671D004F955D.0001
- Page: https://openairdocs.org/tcds/TC%20752

## Models (1)

As the data sheet lists them.

- VS-44-A (Excambian)

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
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."
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Sikorsky VS-44-A](https://openairdocs.org/model/sikorsky-vs-44-a): 0 aircraft (registry code 8140802)

## STCs approved under this data sheet (7)

- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc.
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.. Airwolf Filter Corporation
- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.. Andrew D. Humphrey
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories.. Electronics International Inc.
- [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer.. Electronics International

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