# AD 61-16-07: Main Rotor Hubs

- Type: Airworthiness directive
- Status: Current
- Products: Airbus Helicopters SE 3130-Alouette II
- Effective: August 5, 1961
- Published: August 5, 1961
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Registered aircraft: 8 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8EC98040069DFE1586256A33006F538E.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/61-16-07

## The airworthiness directive

61-16-07 SUD AVIATION: Amdt. 321 Part 507 Federal Register August 5, 1961. Applies to All Alouette II SE 3130 Helicopters.

Compliance required as indicated.

As a result of two cases of cracks in the main rotor hubs, all main rotor hubs P/N 3130. S12.20.001 must be retired from service upon accumulation of 660 hours' time in service, except that main rotor hubs which have already accumulated 650 or more hours' time in service on the effective date of this directive must be retired from service within the next 10 hours' time in service.

(Sud Aviation Helicopters Service Alouette II SE 3130 No. AL 12.11.204 covers this subject.)

This directive effective August 5, 1961.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7H1](https://openairdocs.org/tcds/7H1): Airbus Helicopters; names 1 of 5 models: SE 3130-Alouette II

## 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: 8 (8 by airframe model, 0 by engine model)
- Makers: S N I A S 7, Sud 1

Models with the most aircraft:

- [S N I A S SE 3130 ALOUETTE II](https://openairdocs.org/model/s-n-i-a-s-se-3130-alouette-ii): 7 aircraft (airframe model)
- [Sud SE3130 ALOUETTE II](https://openairdocs.org/model/sud-se3130-alouette-ii): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/61-16-07/models.md
Every aircraft: https://openairdocs.org/ad/61-16-07/aircraft.md

Its text cites no advisory circulars or STCs.

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