# AD 82-04-07: VOR/DME Radio Systems

- Type: Airworthiness directive
- Status: Current
- Products: Lockheed Martin L-1011-385-1, L-1011-385-1-14, L-1011-385-1-15 and L-1011-385-3
- Effective: March 4, 1982
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-4322
- Registered aircraft: 4 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EB624B7ABF9386CA8625697500493C99.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/82-04-07

## The airworthiness directive

82-04-07 LOCKHEED-CALIFORNIA COMPANY: Amendment 39-4322. Applies to Lockheed Model L-1011-385 series airplanes certificated in all categories equipped with 1 or 2 Flight Management Computers having ARMA Part Number 2-00063-801-3 or higher ending dash number. Compliance required within 30 days from the effective date of this AD, unless already accomplished.

To prevent loss of the ability to tune all VOR and DME radio navigation systems, accomplish the following:

A. Remove Flight Management Computer(s) and replace with unit(s) modified in accordance with Part 2, Accomplishment Instructions, in Lockheed L-1011 Service Bulletin 093- 34-146, dated August 21, 1981, or Revision No. 1, dated September 17, 1981, or revision No. 2 dated December 14, 1981, or later revisions approved by the Chief, Los Angeles Area Aircraft Certification Office, FAA Northwest Mountain Region, or

B. Remove Flight Management Computer(s), and deactivate the FMS.

C. Alternative means of compliance with this AD which provide an equivalent level of safety may be used when approved by the Chief, Los Angeles Area Aircraft Certification Office, FAA Northwest Mountain Region.

This amendment becomes effective March 4, 1982.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A23WE](https://openairdocs.org/tcds/A23WE): Lockheed Martin Corporation; names 4 of 4 models: L-1011-385-1-14, L-1011-385-3, L-1011-385-1, L-1011-385-1-15

## 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: 4 (4 by airframe model, 0 by engine model)
- Makers: Lockheed 4

Models with the most aircraft:

- [Lockheed L-1011-385-1](https://openairdocs.org/model/lockheed-l-1011-385-1): 2 aircraft (airframe model)
- [Lockheed L-1011-385-1-15](https://openairdocs.org/model/lockheed-l-1011-385-1-15): 1 aircraft (airframe model)
- [Lockheed L-1011-385-3](https://openairdocs.org/model/lockheed-l-1011-385-3): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/82-04-07/models.md
Every aircraft: https://openairdocs.org/ad/82-04-07/aircraft.md

Its text cites no advisory circulars or STCs.

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