# AD 47-49-01: Rudder Trim Tab Control Relocation

- Type: Airworthiness directive
- Status: Current
- Products: Lockheed 49-46
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Registered aircraft: 1 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/33CD3D9888A4A41E8625696D0045923F.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-49-01

## The airworthiness directive

47-49-01 LOCKHEED: (Was Mandatory Note 34 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088.

Compliance required prior to December 31, 1947.

Relocate the rudder trim tab cockpit control unit to comply with provisions of CAR 4b.322 regarding plane and sense of motion of control.

(LAC Service Instruction 49/SI-18 covers this same subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-763](https://openairdocs.org/tcds/A-763): Lockheed Martin Aeronautics Company; names 1 of 6 models: 49-46

## 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: 1 (1 by airframe model, 0 by engine model)
- Makers: Lockheed 1

Models with the most aircraft:

- [Lockheed 49-46](https://openairdocs.org/model/lockheed-49-46): 1 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/47-49-01/models.md
Every aircraft: https://openairdocs.org/ad/47-49-01/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.