# STC SA972NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Atlantic Aviation Corporation, United States
- Description: Installation of one to three Litton Special Devices engine indicators(N1, N2, and/or ITT).
- Applied: September 5, 1991
- Status date: March 18, 1994
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/e4/99/e499b393523beb87cc9475ee4b13d337124c222af961e700924fe7fa29dd67b8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2BFFA974D3DAE71B85256CC2005A724D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA972NE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company HS.125 Series 700A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- March 18, 1994: Amended, Current. [certificate](https://openairdocs.org/files/sha256/e4/99/e499b393523beb87cc9475ee4b13d337124c222af961e700924fe7fa29dd67b8)

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