# AD 77-08-05: Single Engine Takeoffs

- Type: Airworthiness directive
- Status: Current
- Products: Cessna 337, 337A, 337B, 337C, 337D, 337E, 337F, 337G, 337H, M337B, T337B, T337C and 6 more
- Effective: April 28, 1977
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-2876
- Registered aircraft: 598 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/40B73D072FD60CCE86256A340068370C.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/77-08-05

## The airworthiness directive

77-08-05 CESSNA: Amendment 39-2876. Applies to 337 Series (Serial Numbers 337-0002 thru 33701783), T337 Series (Serial Numbers 337-0001, 337-0526 thru 33701398 and P3370001 thru P3370271) and M337 Series (Serial Numbers 337-M0001 thru 337-M0467) airplanes.

Compliance: Required as indicated, unless already accomplished.

To prevent single engine takeoffs, within the next 25 hours' time in service after the effective date of this AD, accomplish the following:

A) Install a Cessna P/N 1400019-77 placard right of the tachometer instrument which reads as follows:

"DO NOT INITIATE SINGLE ENGINE TAKEOFF"

and operate the aircraft in accordance with this limitation.

B) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

C) Cessna Service Letter ME77-8, dated March 28, 1977, or later approved revisions pertains to the subject matter of this AD.

This amendment becomes effective April 28, 1977.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A6CE](https://openairdocs.org/tcds/A6CE): Textron Aviation Inc.; names 18 of 19 models: 337, T337B, T337E, 337D, T337H-SP, 337G, 337H, 337F…

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 598 (598 by airframe model, 0 by engine model)
- Makers: Cessna 597, Cessna Conroy 1

Models with the most aircraft:

- [Cessna T337G](https://openairdocs.org/model/cessna-t337g): 118 aircraft (airframe model)
- [Cessna 337G](https://openairdocs.org/model/cessna-337g): 96 aircraft (airframe model)
- [Cessna 337A](https://openairdocs.org/model/cessna-337a): 55 aircraft (airframe model)
- [Cessna 337](https://openairdocs.org/model/cessna-337): 50 aircraft (airframe model)
- [Cessna 337D](https://openairdocs.org/model/cessna-337d): 42 aircraft (airframe model)
- [Cessna 337B](https://openairdocs.org/model/cessna-337b): 40 aircraft (airframe model)
- [Cessna M337B](https://openairdocs.org/model/cessna-m337b): 34 aircraft (airframe model)
- [Cessna 337C](https://openairdocs.org/model/cessna-337c): 33 aircraft (airframe model)
- [Cessna 337F](https://openairdocs.org/model/cessna-337f): 24 aircraft (airframe model)
- [Cessna T337H](https://openairdocs.org/model/cessna-t337h): 23 aircraft (airframe model)
- [Cessna 337E](https://openairdocs.org/model/cessna-337e): 21 aircraft (airframe model)
- [Cessna T337B](https://openairdocs.org/model/cessna-t337b): 19 aircraft (airframe model)
- [Cessna T337C](https://openairdocs.org/model/cessna-t337c): 15 aircraft (airframe model)
- [Cessna 337H](https://openairdocs.org/model/cessna-337h): 9 aircraft (airframe model)
- [Cessna T337D](https://openairdocs.org/model/cessna-t337d): 7 aircraft (airframe model)
- [Cessna T337E](https://openairdocs.org/model/cessna-t337e): 6 aircraft (airframe model)
- [Cessna T337F](https://openairdocs.org/model/cessna-t337f): 5 aircraft (airframe model)
- [Cessna Conroy 337A](https://openairdocs.org/model/cessna-conroy-337a): 1 aircraft (airframe model)

All 18 models: https://openairdocs.org/ad/77-08-05/models.md
Every aircraft: https://openairdocs.org/ad/77-08-05/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
