# AD 91-13-08: Nose Landing Gear

- Type: Airworthiness directive
- Status: Current
- Products: Israel Aircraft Industries 1121, 1121A, 1121B, 1123, 1124 and 1124A
- Effective: July 22, 1991
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-7039
- Docket: 91-NM-32-AD
- Registered aircraft: 75 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5E8BB6C0711CFC9686256A2A006104D0.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/91-13-08

## The airworthiness directive

91-13-08 ISRAEL AIRCRAFT INDUSTRIES (IAI): Amendment 39-7039. Docket No. 91-NM-32- AD. Applicability: Models 1121, 1121A, 1121B, 1123, 1124, and 1124A series airplanes, certificated in any category.

Compliance: Required within 60 days after the effective date of this AD, unless previously accomplished.

To prevent the inability to extend the nose landing gear for landing, accomplish the following:

A. Remove the existing towing instruction placard and install a new placard in accordance with the applicable service bulletin, as follows:

Airplane Models Service Bulletin 1121, 1121A, 1121B 1121-11-015, dated November 26, 1990 1123 1123-11-031, dated November 26, 1990 1124 and 1124A 1124-11-103, dated November 26, 1990

B. An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM- 113, FAA, Transport Airplane Directorate.NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Astra Jet Corporation, Technical Publications, 77 McCullough Drive, Suite 11, New Castle, Delaware 19720. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington.

This amendment (39-7039, AD 91-13-08) becomes effective on July 22, 1991.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A2SW](https://openairdocs.org/tcds/A2SW): Israel Aircraft Industries Ltd.; names 6 of 6 models: 1124, 1124A, 1121, 1121A, 1123, 1121B

## 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: 75 (75 by airframe model, 0 by engine model)
- Makers: Israel Aircraft Industries 73, Aero Commander 2

Models with the most aircraft:

- [Israel Aircraft Industries 1124](https://openairdocs.org/model/israel-aircraft-industries-1124): 45 aircraft (airframe model)
- [Israel Aircraft Industries 1124A](https://openairdocs.org/model/israel-aircraft-industries-1124a): 28 aircraft (airframe model)
- [Aero Commander 1121](https://openairdocs.org/model/aero-commander-1121): 1 aircraft (airframe model)
- [Aero Commander 1121A](https://openairdocs.org/model/aero-commander-1121a): 1 aircraft (airframe model)

All 4 models: https://openairdocs.org/ad/91-13-08/models.md
Every aircraft: https://openairdocs.org/ad/91-13-08/aircraft.md

Its text cites no advisory circulars or STCs.

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