# STC SA2929WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Northrop Grumman Systems Corporation, United States
- Description: Installation of palletized dual LTN-51 or dual LTN-72 INS or combination of either.
- Applied: August 30, 1974
- Status date: February 22, 2016
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1SO](https://openairdocs.org/tcds/A1SO)
- Certificate PDF: https://openairdocs.org/files/sha256/5e/9a/5e9a641adff19ffc597c7c731a7e1a61df7bd5ebc9526ab580e2a15410d42c6b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/817360456F0C544D86257F6B00614686.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2929WE

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Martin Corporation 382G ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate This certificate has been reissued to replace the original certificate reported as lost.

Number SA2929WE

This Certificate issued to

Part 4b of the Civil Air Regulations Regulations. (CAR 4b as amended 12/31/53 and AMDTS. 4b-1 thru 4b-11, 4b.307(a) of AMDT. 4b-12, SR-422B and SR-450A)

Description of Type Design Change: Installation palletized dual LTN-51 INS or dual LTN-72 INS or combination of either in accordance with Litton Top Installation Drawing No. 452970-03 Revision F dated August 28, 1974 or later FAA approved revisions.

Litton Systems, Inc. AFM supplement II to Lockheed Model 382G FAA Approved Airplane Flight Manual dated October 2, 1974, or later FAA approved revision, is required as part of this installation.

Limitations and Conditions: The approval of this change in type design applies basically to the above noted airplane model series only. This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this change and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Northrop Grumman Systems Corporation 21240 Burbank Blvd.

Woodland Hills, CA 91367-6675 A1SO

Lockheed

382G Original Product Type Certificate Number :

Date of application : August 30, 1974

Date of issuance : October 2, 1974

Date reissued : March 30, 2015, February 22, 2016

Date amended : August 8, 1996

(Signature) Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office

(Title)

## Every issue (2)

- February 22, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5e/9a/5e9a641adff19ffc597c7c731a7e1a61df7bd5ebc9526ab580e2a15410d42c6b)
- March 30, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/aa/a1/aaa1987bc1b3472a18de3b72d79139192fec117116ede7ec6ba2fa4e4374518b)

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