# AD 47-47-11: Propeller Reverse Control Spring

- Type: Airworthiness directive
- Status: Current
- Products: Sky Enterprises RC-3
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 126 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/411A859A0A1AA3F086256A5600669B13.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-47-11

## The airworthiness directive

47-47-11 REPUBLIC: (Was Mandatory Note 14 of AD-769-2.) Applies to Model RC-3 Aircraft.

Compliance required as soon as possible but in any event not later than January 15, 1948.

To prevent inadvertent reversal of propeller if propeller reverse control wire fails at control valve attachment, install spring between the reverse control link and the bracket supporting the reverse control.

(Seabee Service Bulletin No. 21 dated October 14, 1947, covers this subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-769](https://openairdocs.org/tcds/A-769): Sky Enterprises Inc.; names 1 of 1 models: RC-3

## 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: 126 (126 by airframe model, 0 by engine model)
- Makers: Republic 122, Downer 2, Republic Aviation Corp USA 1, Simuflight Seattle-1-Stol 1

Models with the most aircraft:

- [Republic RC-3](https://openairdocs.org/model/republic-rc-3): 122 aircraft (airframe model)
- [Downer RC-3](https://openairdocs.org/model/downer-rc-3): 2 aircraft (airframe model)
- [Republic Aviation Corp USA SEABEE RC-3](https://openairdocs.org/model/republic-aviation-corp-usa-seabee-rc-3): 1 aircraft (airframe model)
- [Simuflight Seattle-1-Stol RC-3](https://openairdocs.org/model/simuflight-seattle-1-stol-rc-3): 1 aircraft (airframe model)

All 4 models: https://openairdocs.org/ad/47-47-11/models.md
Every aircraft: https://openairdocs.org/ad/47-47-11/aircraft.md

Its text cites no advisory circulars or STCs.

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