# AD 87-16-04: Stall Warning System

- Type: Airworthiness directive
- Status: Current
- Products: EADS CASA C-212-CB, C-212-CC, C-212-CD, C-212-CE, C-212-CF, C-212-DE and C-212-DF
- Effective: August 31, 1987
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-5686
- Registered aircraft: 18 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/19A3BEFCCB6BCF49862569EC005A3455.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/87-16-04

## The airworthiness directive

87-16-04 CASA: Amendment 39-5686. Applies to all Model C-212 series airplanes, including Indonesian manufactured C-212's Serial Numbers 64N and 73N, certificated in any category.

Compliance required as indicated, unless previously accomplished.

To prevent inadvertent stalls, accomplish the following:

A. Prior to January 31, 1988, install an artificial stall warning system in accordance with CASA Service Bulletin S/B 212-31-12, dated May 12, 1987, or other manner approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modifications required by this AD.

Allpersons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to Construcciones Aeronauticas S.A., Getafe, Madrid, Spain. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective August 31, 1987.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A43EU](https://openairdocs.org/tcds/A43EU): Airbus Defense and Space S.A.; names 7 of 7 models: C-212-DE, C-212-CB, C-212-CE, C-212-CC, C-212-CF, C-212-DF, C-212-CD

## 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: 18 (18 by airframe model, 0 by engine model)
- Makers: Construcciones Aeronauticas 14, C A S A 4

Models with the most aircraft:

- [Construcciones Aeronauticas C-212-CC](https://openairdocs.org/model/construcciones-aeronauticas-c-212-cc): 12 aircraft (airframe model)
- [C A S A C-212-DF](https://openairdocs.org/model/c-a-s-a-c-212-df): 3 aircraft (airframe model)
- [C A S A C-212-CD](https://openairdocs.org/model/c-a-s-a-c-212-cd): 1 aircraft (airframe model)
- [Construcciones Aeronauticas C-212-CB](https://openairdocs.org/model/construcciones-aeronauticas-c-212-cb): 1 aircraft (airframe model)
- [Construcciones Aeronauticas C-212-CD](https://openairdocs.org/model/construcciones-aeronauticas-c-212-cd): 1 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/87-16-04/models.md
Every aircraft: https://openairdocs.org/ad/87-16-04/aircraft.md

Its text cites no advisory circulars or STCs.

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