# AD 73-13-07: Placard Installation

- Type: Airworthiness directive
- Status: Current
- Products: True Flight Holdings AA-1, AA-1A and AA-1B
- Effective: June 25, 1973
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-1669
- Registered aircraft: 618 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1A0B4331870568EC86256A38005D90AD.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/73-13-07

## The airworthiness directive

73-13-07 GRUMMAN AMERICAN AVIATION CORPORATION: Amdt. 39-1669. Applies to all Model AA-1, Model AA-1A, and Model AA-1B airplanes through Serial Numbers AA-1B-0177 certificated in all categories.

Compliance required within the next 10 hours time in service or 30 calendar days, whichever comes first, after the effective date of this airworthiness directive. To clearly indicate to the pilot that spins are prohibited in this make and model airplane, and to provide information to assist in preventing conditions that might lead to accidental spin entry, install the new placards as provided by Grumman American Aviation Corporation Service Bulletin No. 138 or by a suitable alternate procedure as approved by the Chief, Engineering and Manufacturing Branch, Great Lakes Region.

This Amendment becomes effective June 25, 1973.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A11EA](https://openairdocs.org/tcds/A11EA): True Flight Holdings LLC; names 3 of 4 models: AA-1A, AA-1, AA-1B

## 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: 618 (618 by airframe model, 0 by engine model)
- Makers: American 386, Grumman American Avn. 232

Models with the most aircraft:

- [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b): 231 aircraft (airframe model)
- [American AA-1A](https://openairdocs.org/model/american-aa-1a): 207 aircraft (airframe model)
- [American AA-1](https://openairdocs.org/model/american-aa-1): 153 aircraft (airframe model)
- [American AA-1B](https://openairdocs.org/model/american-aa-1b): 26 aircraft (airframe model)
- [Grumman American Avn. AA-1A](https://openairdocs.org/model/grumman-american-avn-aa-1a): 1 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/73-13-07/models.md
Every aircraft: https://openairdocs.org/ad/73-13-07/aircraft.md

Its text cites no advisory circulars or STCs.

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