Commonwealth legislation

AD/CHA/16 - Front Pilots Seat

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Commonwealth

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legislative instrument

Plain English Summary

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This airworthiness directive requires owners/operators of specified American Champion (Aeronca, Bellanca) aeroplanes to inspect the front pilot’s adjustable seat lower frame for cracks or permanent deformation and to install reinforcement where needed. The reinforcement must follow a regulator‑approved scheme (Bellanca Kit No 253 is listed as acceptable). Inspections are due within 100 hours’ time-in-service after 31 January 1977 and every 100 hours until modification; reinforcement must be fitted within 300 hours.

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AD/CHA/16 - Front Pilots Seat

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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American Champion (Aeronca, Bellanca) Series Aeroplanes

AD/CHA/16 Front Pilot’s Seat 1/77

Applicability: All models 7ECA with S/Nos. 1126-76 to 1173-76. 7GCAA with S/N 324-76 to 332- 76. 7GCBC with S/N 887-76 to 942-76. 7KCAB with S/N 551-76 to 584-76. 8KCAB

with S/N 219-76 to 265-76. 8GCBC with S/N 188-76 to 228-76 and all previous S/Nos. in which the adjustable front seat has been installed in accordance with Bellanca Kit No 252.

Requirement: 1. To detect permanent deformation and/or cracks in the lower frame side tube members:

Inspect the LH and RH side lower seat frame side tubes for evidence of cracks and/or permanent deformation in an area just forward of the side brace and side tube junctions.

Modify seat by installing reinforcement in the area of the side brace and side tube junctions in accordance with a scheme approved by the Secretary.

Note 1: Remove seat cushion to facilitate inspection.

Note 2: Bellanca Kit No 253 is an acceptable means of reinforcement. Note 3: This Directive is based on FAA AD 76-22-01.

Compliance: For para 1 - Within 100 hours time in service after 31 January 1977 and thereafter at intervals not exceeding 100 hours time in service until modified.

For para 2 - Within 300 hours time in service after 31 January 1977.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/CHA/16 - Front Pilots Seat