# TCDS AL-33: Tennessee Gas Transmission Company

- Type: Type certificate data sheet
- Status: Current
- Holder: Tennessee Gas Transmission Company
- Revision: 1
- Revised: July 14, 1959
- Product: Aircraft, Large Airplane
- Certification basis: CAR 9
- Registered aircraft: 5, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/b8/db/b8db964add9f2411dd9a3809e7efda7c95f16a8ee0e604f8ae63c28aaa2c13a9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5FB33BC0682287E78525672900447E17.0001
- Page: https://openairdocs.org/tcds/AL-33

## Models (1)

As the data sheet lists them.

- B-26C

## 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
Rev. No. 1 1
FEDERAL AVIATION AGENCY
AL-33
Revision 1
MARTIN
Army B-26C
July 14, 1959
AIRCRAFT SPECIFICATION
Holer of Type Certificate Tennessee Gas Transmission Company
Houston 1, Texas
MARTIN (ARMY) B-26C
Eligible for Certification in Limited Category only.
Engines 2 Pratt & Whitney R-2800-83AM8 or -83AM11
Fuel 100/130 minimum grade aviation gasoline
Engine limits Max. continuous hp, rpm, in. Hg., at:
Rated press. alt. (ft.) 1675-2600-42.0-12000
Sea level press. alt. (ft.) 1675-2600-45.0-S.L.
Takeoff (five minutes), hp, rpm, in.Hg. at:
Rated press. alt. (ft.) 1950-2800-51.0-9800
Sea level press. alt. (ft.) 1950-2800-53.0-S.L.
                                                  (with ADI)
Rated press. alt. (ft.) 2250-2800-55.0-7000
Sea level press. alt. (ft.) 2250-2800-56.5-S.L.
Airspeed limits Maximum never exceed (Vne) 357 mph
  (TIAS) Maximum airspeed in severe turbulence 220 mph
Maximum airspeed for maneuvering 220 mph
Maximum airspeed with wing flaps extended 160 mph
Maximum airspeed with propeller feathered 200 mph
Maximum airspeed for propeller unfeathering 185 mph
Maximum airspeed for landing gear extension 165 mph
                                  extended    185 mph
Critical engine failure speed (V1) 135 mph
Takeoff climb speed (V2) 148 mph
Minimum control speed
(auto-feathering operative) 128 mph
(auto-feathering inoperative) 139 mph
C.G. range 256.71 inches to 271.29 inches.
Datum 33.0 forward of first belt frame
Maximum weight Takeoff and Landing 32,000 lbs. (See NOTE 2)
 Minimum crew 2 (Pilot and co-pilot)
Fuel capacity 1456 gal. (1436 gal. usable)
Maximum operating 20,000 ft.
  altitude
Other operating These aircraft must be operated in accordance with Tennessee Gas
  limitations Transmission Company FAA Approved Airplane Flight Manual dated February 25,

AL-33 2
1958.
Serial Nos. eligible 2253, 4590 and 5486 (See NOTE 2)
Propellers Hamilton Standard 43E60-7/6895-8 Low pitch 29°
High pitch 95°
Reverse angle   8°
Certification basis CAR 9 and CAB Special Orders No. 488 and S-498 (See NOTE 1) and
S-928 (See NOTE 2).
NOTE 1. Aircraft certificated under this type certificate shall be operated only by the petitioner and must be modified
as follows:
(a) Serial No. 2253 and 5486 as specified in Tennessee Gas Transmission Company petition to the Civil
Aeronautics Board, dated January 14, 1952.  (Also see NOTE 2).
(b) Serial No. 4590 as specified in Cameron Iron Works, Inc., petition dated April 22, 1952.
NOTE 2. Serial Nos. 2253 and 5486 are also eligible as Model B-26CT when modified in accordance with Tennessee
Gas Transmission Company petition to the CAB dated July 23, 1957, approved under CAB Special Order
No. S-928.  Aircraft so modified are eligible for a maximum weight of 36,000 pounds.
.....END.....
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Douglas B-26C](https://openairdocs.org/model/douglas-b-26c): 5 aircraft (registry code 3020524)
- [Martin B-26C](https://openairdocs.org/model/martin-b-26c): 0 aircraft (registry code 5450106)

## STCs approved under this data sheet (5)

- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc.
- [STC SA1532NM](https://openairdocs.org/stc/SA1532NM): Replacement of the nose gear wheel and tire with Goodyear wheel assembly P/N 9560146 and 34x9.912 ply tire.. Lynch Air Tankers, Inc
- [STC SA44RM](https://openairdocs.org/stc/SA44RM): Increase in gross weight.. Lynch Flying Service Inc
- [STC ST129RM](https://openairdocs.org/stc/ST129RM): Installation of Goodyear brakes, P/N 9530757, and wheels P/N9540484.. Lynch Air Tankers, Inc
- [STC SA43RM](https://openairdocs.org/stc/SA43RM): Installation of stall fence and wing leading edge cuffs.. Lynch Flying Service Inc

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