AD 50-07-01

Airworthiness directive · Elevator trim tab stop · Univair 415-C, 415-CD and 415-D

Models
415-C, 415-CD, 415-D
Registered aircraft
1,005 matched by model
Product
Aircraft · Small airplane

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 May 30, 2024.

On this page

The airworthiness directive

50-07-01 ERCO: Applies to Ercoupe Models 415C (Which Incorporate Adjustable Elevator Trim Tabs), 415CD, and 415D Airplanes. To be accomplished by September 1, 1950. To preclude the possibility of elevator flutter in the event the elevator trim tab control wire fails, elevator trim tab stop and spring, Erco P/N 415-SK-287 and 415-22035 should be installed. (Engineering and Research Corp. "Ercoupe Service Memorandum No. 55 and 55A" cover this same subject.)

Affected TCDS · 2

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 1,005

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
  • Ercoupe772 aircraft
  • Engineering & Research200 aircraft
  • Forney20 aircraft
  • Erco12 aircraft
  • Univair1 aircraft
By year built
19401963
Registered aircraft by year built: 825 aircraft
19403
19418
194513
1946719
194771
19484
19531
19552
19561
19571
19611
19631

180 with no year recorded

By model

Aircraft

See all 1,005 aircraft