77-08-05: Single Engine Takeoffs

FAA order 77-08-05 is an airworthiness directive in force since April 28, 1977. The FAA's subject line: Single Engine Takeoffs. It names Cessna 337 Skymaster, Cessna M337, Cessna T337: about 597 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: engine.

What it applies to as the FAA lists it

Kind of product: Aircraft
Makes: Cessna Aircraft Company
Models: 337, 337A, 337B, 337C, 337D, 337E, 337F, 337G, 337H, M337B, T337B, T337C, T337D, T337E, T337F, T337G, T337H, T337H-SP
On this site: Cessna 337 Skymaster 370 registered
Cessna M337 34 registered
Cessna T337 193 registered

Dates and paperwork

In force since: April 28, 1977
Docket: Unknown
Status: Current
The FAA's document: Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (1,006 characters)

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.

Related safety bulletins advice on the same designs, not orders

2021-08-26AIR-21-16 · FLIGHT COMPARTMENT EQUIPMENT, Cessna Seat Back Attachment Bolt Inspection

2018-11-21SW-18-31 · NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM

2012-08-09CE-12-41 · Flight Controls Loose Glide Screw

2012-05-21CE-12-24R1 · Flight Controls Frayed Flap Extend Cables

2012-04-06CE-12-24 · Flight Controls Frayed Flap Extend Cables

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 27, 2026. Connections as data: /graph/directive/77-08-05.json · aircraft systems.