AD 71-18-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 172 | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172A | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172B | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172C | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172D | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172E | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172F (USAF T-41A) | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172G | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172H (USAF T-41A) | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
| aircraft | Cessna Aircraft Company | 172I | Airworthiness Directives; CESSNA Model 172 Series Airplanes |
Unsafe Condition
Incorrect fuel tank capacity information on the fuel selector valve placard and fuel filler neck markings could lead to improper fuel management and potential fuel exhaustion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove existing fuel selector valve placard and install either Cessna P/N 0511167-20 or 0500246-11 placard per Cessna Service Letter SE 68-12 or FAA-approved equivalent. Revise fuel filler neck markings to 'FUEL 80/87 GRADE. TOTAL CAPACITY 19.5 GALLONS' using minimum 1/8 inch letters.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Cessna Model 172 series airplanes with serial numbers 17248735 through 17256512
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.