# AD 60-01-04: Rudder Balance Tab

- Type: Airworthiness directive
- Status: Current
- Products: Maryland Air Industries F-27, F-27A and F-27B
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2B7FA6A863FF005F8625698400724050.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/60-01-04

## The airworthiness directive

60-01-04 FAIRCHILD: Amdt. 81 Part 507 Federal Register January 16, 1960. Applies to all Models F-27, F-27A, and -27B aircraft.

Compliance required by January 15, 1960.

Cases of "rudder walk" have been experienced on aircraft in service. Such rudder oscillation creates a flight hazard. In order to correct or prevent this condition, unless already accomplished, a beaded angle should be added to the rudder balance tab trailing edge in accordance with Fairchild Service Bulletin 27-14.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7A1](https://openairdocs.org/tcds/7A1): Maryland Air Industries Inc.; names 3 of 12 models: F-27, F-27A, F-27B

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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