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69-08-09: LYCOMING ENGINES Model IO-540-G1A5 Engines

FAA order 69-08-09 is an airworthiness directive in force since April 23, 1969. It names the Lycoming IO-540-G1A5 engine: about 7 aircraft on the U.S. register today, 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
Engine
Makes
Lycoming Engines
Models
IO-540-G1A5
Engine series
Lycoming IO-540-G1A5 7 aircraft

Dates and paperwork

In force since
April 23, 1969
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 (549 characters)
69-08-09 LYCOMING ENGINES: Amdt. 39-751. Applies to all Lycoming Model IO-540-G1A5 engines installed with Hartzell HC-A3VK-2A/8433A-7 Propellers. Compliance required within the next 10 hours time in service after the effective date of this AD. To prevent failure of the engine crankshaft, install a placard on the aircraft instrument panel in clear view of the pilot and as close as practicable to the manifold pressure gage to read: "Do not exceed 24 inches Hg manifold pressure below 2400 rpm." This amendment is effective April 23, 1969.

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 November 2, 2026. Connections as data: /graph/directive/69-08-09.json · aircraft systems.