# AD 47-50-11: Ash tray modification

- Type: Airworthiness directive
- Status: Current
- Products: Univair 108 and 108-1
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 600 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/81DFE754D69AB37E86256A4D004BC2A8.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-50-11

## The airworthiness directive

47-50-11 STINSON: Applies to 108 Series Aircraft. Compliance required prior to March 1, 1948. The front ash trays shall be modified to the self-contained type or a "No Smoking" placard installed. (Stinson Service Bulletin No. 246 covers a satisfactory method of modifying these ash trays.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-767](https://openairdocs.org/tcds/A-767): Univair Aircraft Corporation; names 2 of 5 models: 108, 108-1

## 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: 600 (600 by airframe model, 0 by engine model)
- Makers: Stinson 551, Universal Stinson 47, Consolidatedvultee Acft 2

Models with the most aircraft:

- [Stinson 108-1](https://openairdocs.org/model/stinson-108-1): 338 aircraft (airframe model)
- [Stinson 108](https://openairdocs.org/model/stinson-108): 213 aircraft (airframe model)
- [Universal Stinson 108-1](https://openairdocs.org/model/universal-stinson-108-1): 28 aircraft (airframe model)
- [Universal Stinson 108](https://openairdocs.org/model/universal-stinson-108): 19 aircraft (airframe model)
- [Consolidatedvultee Acft 108](https://openairdocs.org/model/consolidatedvultee-acft-108): 2 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/47-50-11/models.md
Every aircraft: https://openairdocs.org/ad/47-50-11/aircraft.md

Its text cites no advisory circulars or STCs.

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