# STC SA418SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Delta Aviation, Inc, United States
- Description: Installation of low oil pressure warning lights.
- Applied: April 10, 1969
- Status date: December 23, 1975
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20), [TCDS A5SW](https://openairdocs.org/tcds/A5SW)
- Certificate PDF: https://openairdocs.org/files/sha256/c7/d1/c7d109cae0d4b2d46531315e4ef3d24d6842ed5ed9120b89e5e6fc96fa71f088
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C30DCEF724F757A286257DFC00540943.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA418SO

## ADs that name it (0)

None.

## Approved models (4)

- Beechcraft Corporation 65-A90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Beechcraft Corporation 65-A90-1 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Beechcraft Corporation B90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- M7 Aerospace LLC SA26-T ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))

## 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.

ttiritrd £tatti of anrrica Bepartment of transportation —federal Sttriation Administration Supplemental ICupe Certificate

• /U&tita/ionA^.

tyu4mv€w SA418SO Delta Aviation, InC.

404 Cities Service Building Tulsa, Oklahoma 74119 per Drawing DB31569.

3 ^'^Af Civil Air A5SW, 3A20 Swear ingen. Beech SA26T, 65-A90, -A90-1, -B90 Ingtailation of pressure warning lights April 10, l%9 July 3, 1969 -u/ ll/2l/73| 12/23/75 Revision 2 (Signature) Don P* WatsonChief, Engineering and Manufacturing Branch (Title)

FAAfou. 8110-2 (10-6S)

## Every issue (1)

- December 23, 1975: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c7/d1/c7d109cae0d4b2d46531315e4ef3d24d6842ed5ed9120b89e5e6fc96fa71f088)

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