AD 52-28-01

Airworthiness directive · Fuel Transfer Placard · American Champion 11AC and S11AC

Models
11AC, S11AC
Data sheet
TCDSA-761
Registered aircraft
610 matched by model
Product
Aircraft · Small airplane

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

52-28-01 AERONCA: Applies to All Model 11AC and S11AC Aircraft Equipped With the Auxiliary Fuel Tank Installation.

Compliance required not later than January 31, 1953.

Accidents have occurred in the above model aircraft due to misuse of the fuel transfer system. These accidents have been caused by pilots attempting to transfer fuel while taking off or in a climb attitude. To preclude the possibility of pilot error with regard to the foregoing, the following placard, or its equivalent, shall be displayed near the fuel transfer system shutoff valve and in view of the pilot: "Transfer fuel in level flight or glide only and when main tank is half full or less. Valve is to be closed except while transferring fuel."

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 610

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Aeronca609 aircraft
  • Aeronca/Miller/Delaney1 aircraft
By year built
19452002
Registered aircraft by year built: 467 aircraft
19452
1946361
194797
19491
19501
19511
19531
19542
20021

143 with no year recorded

By model

Aircraft

See all 610 aircraft