# TCDS TC 755: Langley Aircraft Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Langley Aircraft Corporation
- Revision: 0
- Revised: December 29, 1943
- Product: Aircraft, Small Airplane
- Data sheet PDF: https://openairdocs.org/files/sha256/a5/c1/a5c12af9488ed25dcd770b23cfb83d03edb3fe61ae3f5c77444491e46aa7ccd1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/04E43F3BEF162254852567380066B92E.0001
- Page: https://openairdocs.org/tcds/TC%20755

## Models (1)

As the data sheet lists them.

- 2-4-90

## What the data sheet says

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

```text
LANGLEY AIRCRAFY CORPORAMION
MODEIS: Langley 2-4-90, 4 PCIM
I.C. NUMBER: 755 (Approved 12/29/43)
Engines  2 Franklins 4AC-199E3
Fuel  80 minimum octane aviation gasoline
Engine limits  For all operations, 2500 rpm (90 hp)
Airspeed limits  Level flight or climb - 150 mph True Ind.
Glide or dive - 180 mph True
Propeller limits  Static rpm at maximum permissible throttle
setting - not more or less than 2100.
Diameter - not more than 72 in., not less than
C.G. range
Datum  Wing leading edge at center section
Leveling means  Right hand longeron at entrance to cockpit
Maximum weight
No. seats  4 (two at (+10), two at (+42))
Baggage
Fuel capacity  35 gallons (two tanks: 17-1/2 gallons each in
center section)
Cil capacity  2-1/2 gallons (1-1/4 gallons each engine) (-25)
Control  surface  Up 25 degrees; down
movements  Elevator trim tab  Up 22 degrees; down 18 degrees
Up 20 degrees; down 23 degrees
Right 25 degrees;
Rudder trim tab  None - Adjustable bungee used.
Serial Nos.  eligible
Required  equipment  Items 1, 101, 102, 103, 104, 201, 202, 203, 301, 302
Specifications Pertinent to All Models:
Certification basis  Type Certificate No. 755 (CAR 4a)
Production basis  None  (See NOTE A)
Export eligibility  Eligible for export to all countries except Great
Britain, Australia, Canada and New Zealand.
EQUIPMENT:
Propellers and Propeller Accessories  Propeliers - wood (fixed pitch) and hubs 22 1bs.  (-38)
Engines and Ergine Accessories - Fuel and Oil System
101-  Two carburetor air heaters and
4 1bs.  (-21)
102. Four fuel pumps
Two engine-driven (AC GP-10584)  4 lbs.  (-19)
Two electric
(Auto pulse 300)  4 1bs.  (+5)
Two starters  (direct electric)
(Delco Remy - 142)  30 1ks.  (-13)
104. Two carburetor air scoops
(Skinner Model S-300-A)  6 lbs.  (-28)
Landing Gear

201. 8.50-8 wheels (Goodyear L8HBM) with
7.00-8 4-ply tires  44 1bs.  (*3)
202. Wheel streamlines (Drawing 1-20200)  8 1bs.
203.  8 in. smooth contour tail wheel
(Firestone) with tire  3 1bs.  (*190)
Electrical Equipment
301.  One generator 4-8 amp.  (Electric
Auto Lite Model GDY-4106)  12 1bs.  (-13)
902. Battery.  12 volt (Reading R40
on-spillable)  40 1bs.  (-46)
Interior Equipment
401-  Seat cushions
(a)  Two front  7 lbs.  (+14)
(D)  One rear  7 1bs.  (+46)
Prior to original certification, each aircraft must satisfactorily
An 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.
NOTE 1.  The following placards must be prominently posted in full view of
the pilot:
"This airplane shall be operated in accordance with Part I of the
C.A.A. approved operating manual for Andover Kent Model Langley
The manual shall be carried in the pilot's compartment
at all times."
(2)  "Intentional Acrobatics Prohibited."
(3)  With no passenger in the  front seat only one passenger may be
carried in the rear seat."
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Langley 2-4-90](https://openairdocs.org/model/langley-2-4-90): 0 aircraft (registry code 5130102)

## STCs approved under this data sheet (1)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC

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