# AD 61-14-01: Engine Mount Inspection

- Type: Airworthiness directive
- Status: Current
- Products: Twin Commander 500, 500-A and 500-B
- Effective: August 8, 1961
- Published: July 7, 1961
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 120 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/727DEF3F9EBF818386256A38005C53A4.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/61-14-01

## The airworthiness directive

61-14-01 AERO COMMANDER: Amdt. 303 Part 507 Federal Register July 7, 1961. Applies to All Model 500 Aircraft. Compliance required within the next 100 hours' time in service after the effective date of this directive and at each 100 hours' time in service thereafter.

Visually inspect the inside of angles P/N 5620023-7, -8, -9, and -10 in the area of the row of Huck bolts, nearest the radius of the angle, that attach the angles to the upper and lower mount fittings, P/N 3620025-1 and -2. If cracks are found, prior to further flight, incorporate the reinforcement as indicated in Aero Commander Service Bulletin No. 68A, dated January 20, 1961, or equivalent.

Angles incorporating Federal Aviation Agency approved reinforcement need not be reinspected in accordance with the provisions of this AD.

(Aero Commander Service Bulletin No. 68A dated January 20, 1961, covers this subject.)

This supersedes AD 60-26-01. This directive effective August 8, 1961.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 6A1](https://openairdocs.org/tcds/6A1): Twin Commander Aircraft LLC; names 3 of 9 models: 500, 500A, 500B

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 120 (120 by airframe model, 0 by engine model)
- Makers: Aero Commander 120

Models with the most aircraft:

- [Aero Commander 500-B](https://openairdocs.org/model/aero-commander-500-b): 85 aircraft (airframe model)
- [Aero Commander 500-A](https://openairdocs.org/model/aero-commander-500-a): 23 aircraft (airframe model)
- [Aero Commander 500](https://openairdocs.org/model/aero-commander-500): 12 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/61-14-01/models.md
Every aircraft: https://openairdocs.org/ad/61-14-01/aircraft.md

Its text cites no advisory circulars or STCs.

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