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AD 75-12-09 R2

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Airworthiness directive · Inadvertent Structural Failure · Twin Commander 500, 500-A, 500-B and 12 more

FAA copy· on FAA DRS
AboutSource files 1
Effective
November 28, 1981
Models
500, 500-A, 500-B, 500-S, 500-U, 520 and 9 more
Data sheets
TCDS6A1TCDS2A4
Registered aircraft
250 matched by model
Product
Aircraft · Small airplane
Amendment
39-4246

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

Affected TCDS · 2

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

TCDS 6A1Twin Commander Aircraft LLCNames all 9 models: 500, 500A, 500B and 6 moreTCDS 2A4Twin Commander Aircraft LLCNames 5 of 21 models: 680-F, 680-E, 560-F and 2 more

Registered aircraft · 250

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
  • Aero Commander231
  • Rockwell International19
By year built
19521979

50 with no year recorded

By model

Aircraft

N1010FHangar 10 Aviation LLC · Durant, OKS/N 1403-145N106FWFlorida Fish & Wildlife Conservation Commission · Lakeland, FLBuilt 1978 · S/N 3305N107VCLopez Hidaldo Vicente · San Juan, PRBuilt 1960 · S/N 893-1
See all 250 aircraft

NTSB investigations that cite this AD · 1

Their narratives or probable cause name AD 75-12-09, often to say whether the aircraft complied with it.

NTSB ANC97FA143Accident · 2 fatalField investigationFinal reportAero Commander AC-500A · Ketchikan, AKThe rupture of the right engine fuel supply line as a result of inadequate inspection by the pilot/mechanic, and the pilot's excessive pull up which resulted in exceeding the design stress limits of the airplane. Factors were the improper emergency procedures…Sep 6, 1997 · N543AN · Destroyed