# STC SA1916SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airborne Express Inc., United States
- Description: Installation of Bendix Model RDR-4A, X Band weather radar system.
- Applied: October 18, 1985
- Status date: May 1, 1986
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/62/2e/622e8e950fb6dc8cbdbb5761f24a53621d0734c2ed25e397baf584d4ab21d2ac
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182657391020260807154344.0001
- DRS record last changed: August 7, 2026
- Page: https://openairdocs.org/stc/SA1916SO

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-62 ([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)

- May 1, 1986: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/62/2e/622e8e950fb6dc8cbdbb5761f24a53621d0734c2ed25e397baf584d4ab21d2ac)
- April 1, 1986: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a7/a0/a7a0524d54436fdfa1e4017ec08b2a7601ea02777e3b825f271e595a0b6ce346)

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