AD 74-21-02

Airworthiness directive · Stall Warning System · Piper PA-36-285

Effective
October 4, 1974
Published
October 3, 1974
Issued
September 20, 1974
Model
PA-36-285
Registered aircraft
40 matched by model
Product
Aircraft · Small airplane
Amendment
39-1981

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed November 21, 2025.

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The airworthiness directive

74-21-02 PIPER: Amendment 39-1981. Applies to Piper PA-36-285 airplanes serial numbers 36-7360001 through 36-7460025 certificated in all categories.

Compliance required within the next 50 hours time in service after the effective date of this AD, unless already accomplished.

To provide a more reliable stall warning system, accomplish the lift detector relocation and modification per Piper Service Bulletin No. 418 or equivalent approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.

This amendment becomes effective October 4, 1974.

Registered aircraft · 40

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Piper40 aircraft
By year built
19731976
Registered aircraft by year built: 35 aircraft
19734
19741
197522
19768

5 with no year recorded

By model

Aircraft

See all 40 aircraft