AD 55-04-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | Federal Skis | 180 | Airworthiness Directives; FEDERAL SKIS: Applies to All Cessna Model 180 Aircraft Equipped With Federal Model AWB-2500A Wheel Skis |
| aircraft | Cessna Aircraft Company | Federal Skis | Wheel Skis | Airworthiness Directives; FEDERAL SKIS: Applies to All Cessna Model 180 Aircraft Equipped With Federal Model AWB-2500A Wheel Skis |
Unsafe Condition
The main skis pitch downward against the forward limiting cables during normal flight, causing the airplane to assume a dive attitude with a resulting loss of altitude before recovery.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the existing mechanical rigger with Federal No. 11G1064-2 mechanical rigger. Install Federal No. 11D1059-5 preloaded bungee assembly in each forward limiting cable and adjust the cables to allow the skis to pitch nose down 12 to 14 degrees without extending the bungee units.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
as soon as possible but no later than next 100 hour inspection
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Cessna Model 180 aircraft equipped with Federal Model AWB-2500A Wheel Skis
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.