AD 48-13-07

Airworthiness directive · Turnbuckle Fork Replacement · American Champion 11AC and S11AC

Models
11AC, S11AC
Data sheet
TCDSA-761
Registered aircraft
610 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.

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The airworthiness directive

48-13-07 AERONCA: Applies to 11AC and S11AC Serial Numbers 1 Through 931.

Compliance required at next periodic inspection but not later than May 1, 1948.

To eliminate interference and failure of the turnbuckle forks at the attachment points of the two elevator control cables to the horn located on the bottom of the control column, inspect to determine that AN 161-16RS turnbuckle forks have been replaced by AN 160-16S forks. The distance between the bottom of the fork slot to the center of the attachment bolt on the new fork is 15/32 inch and the original fork is only 3/8 inch.

(Aeronca Service Helps and Hints No. 19 covers this subject.)

Affected TCDS · 1

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

Registered aircraft · 610

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
  • Aeronca609 aircraft
  • Aeronca/Miller/Delaney1 aircraft
By year built
19452002
Registered aircraft by year built: 467 aircraft
19452
1946361
194797
19491
19501
19511
19531
19542
20021

143 with no year recorded

By model

Aircraft

See all 610 aircraft