# STC SA2312SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airborne Express Inc., United States
- Description: Installation of the Bendix ground proximity warning system.
- Applied: November 2, 1987
- Status date: March 15, 1990
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/7d/08/7d08dfc8651c9234528a9dc048e8d63f604e165058f7beef69f4d4c8ef8789ce
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166107964420260813155052.0001
- DRS record last changed: August 13, 2026
- Page: https://openairdocs.org/stc/SA2312SO

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-61 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## What the certificate says

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

## Every issue (2)

- March 15, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7d/08/7d08dfc8651c9234528a9dc048e8d63f604e165058f7beef69f4d4c8ef8789ce)
- April 19, 1988: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ca/41/ca41150e5f1727d08905a41ce75d5c9bc1b2465b0daf8a40b8f736e23367d207)

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