# AD 52-28-01: Fuel Transfer Placard

- Type: Airworthiness directive
- Status: Current
- Products: American Champion 11AC and S11AC
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 610 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3F580B27CDE1460886256A380052B717.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/52-28-01

## 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 data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-761](https://openairdocs.org/tcds/A-761): American Champion Aircraft Corp.; names 2 of 4 models: S11AC, 11AC

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 610 (610 by airframe model, 0 by engine model)
- Makers: Aeronca 609, Aeronca/Miller/Delaney 1

Models with the most aircraft:

- [Aeronca 11AC](https://openairdocs.org/model/aeronca-11ac): 603 aircraft (airframe model)
- [Aeronca S11AC](https://openairdocs.org/model/aeronca-s11ac): 6 aircraft (airframe model)
- [Aeronca/Miller/Delaney 11AC](https://openairdocs.org/model/aeronca-miller-delaney-11ac): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/52-28-01/models.md
Every aircraft: https://openairdocs.org/ad/52-28-01/aircraft.md

Its text cites no advisory circulars or STCs.

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