# STC SA2-438

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Basler Flight Service Inc, United States
- Description: Installation of mid-range long range outer wing tanks, with or without dump chutes.
- Applied: December 13, 1956
- Status date: April 15, 2004
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 2-576](https://openairdocs.org/tcds/2-576), [TCDS A-618](https://openairdocs.org/tcds/A-618)
- Certificate PDF: https://openairdocs.org/files/sha256/29/f0/29f0ecdda68468b8662b2378a4fa64c434c45f81ebbbadc98aec640af1a62ac5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130734071220240118183506.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-438

## ADs that name it (0)

None.

## Approved models (2)

- Douglas Aircraft Co. Inc. Army B-23 ([TCDS 2-576](https://openairdocs.org/tcds/2-576))
- McDonnell Douglas Corporation DC-3 Series ([TCDS A-618](https://openairdocs.org/tcds/A-618))

## What the certificate says

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

## Every issue (3)

- April 15, 2004: Amended, Current. [certificate](https://openairdocs.org/files/sha256/29/f0/29f0ecdda68468b8662b2378a4fa64c434c45f81ebbbadc98aec640af1a62ac5)
- April 15, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/54/9e/549e5d684711282b4eafef9412b152c5627bcbd785c91bce692915b7931a0397)
- August 18, 1994: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/0e/96/0e96828e717682932cba3557838b0691549d5dd682fc2725f04e47a49fd17a62)

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