# STC SA1927SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Airborne Express Inc., United States
- Description: Approval of Airborne Navigation, Instrument and Flight Control Systems.
- Applied: March 6, 1986
- Status date: April 21, 1986
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/d2/1f/d21f39e3d0e10c8c679ab00ca2dbc6e59391ae9c042574ee4bd9e919c43aad71
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142224071620260807153512.0001
- DRS record last changed: August 7, 2026
- Page: https://openairdocs.org/stc/SA1927SO

## 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 (1)

- April 21, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d2/1f/d21f39e3d0e10c8c679ab00ca2dbc6e59391ae9c042574ee4bd9e919c43aad71)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.