# AD 70-20-02: Air Speed Cover Glass

- Type: Airworthiness directive
- Status: Current
- Products: SOCATA MS 880B, MS 885 and MS 894A
- Effective: October 26, 1970
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-1083
- Registered aircraft: 31 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4F2A7D361145AF2386256A56005C17C5.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/70-20-02

## The airworthiness directive

70-20-02 MORANE SAULNIER: Amdt. 39-1083. Applies to Moels MS. 880B, MS.885, and MS.894A airplanes.

To maintain correct alignment of the airspeed limit markings on the cover glass of the airspeed indicator with the face of the dial, within the next 50 hours' time in service after the effective date of this AD, unless already accomplished, align the cover glass and mark its correct position in accordance with Socata Service Bulletin No. 73 dated March 1970, or later SGAC- approved issue or an FAA-approved equivalent.

This amendment becomes effective October 26, 1970.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7A14](https://openairdocs.org/tcds/7A14): Daher; names 3 of 13 models: MS 894A, MS 880B, MS 885

## 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: 31 (31 by airframe model, 0 by engine model)
- Makers: S.O.C.A.T.A. 28, Morane-Saulnier 3

Models with the most aircraft:

- [S.O.C.A.T.A. MS894A](https://openairdocs.org/model/s-o-c-a-t-a-ms894a): 27 aircraft (airframe model)
- [Morane-Saulnier MS880B](https://openairdocs.org/model/morane-saulnier-ms880b): 3 aircraft (airframe model)
- [S.O.C.A.T.A. MS880B](https://openairdocs.org/model/s-o-c-a-t-a-ms880b): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/70-20-02/models.md
Every aircraft: https://openairdocs.org/ad/70-20-02/aircraft.md

Its text cites no advisory circulars or STCs.

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