# STC SA4-33

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Flying Tiger Line Inc, United States
- Description: Modification to provide eligibility for airworthiness certification under SR-406A
- Applied: October 14, 1956
- Status date: March 10, 1959
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A2](https://openairdocs.org/tcds/3A2), [TCDS A-786](https://openairdocs.org/tcds/A-786), [TCDS A-772](https://openairdocs.org/tcds/A-772), [TCDS A-789](https://openairdocs.org/tcds/A-789), [TCDS A-808](https://openairdocs.org/tcds/A-808)
- Certificate PDF: https://openairdocs.org/files/sha256/06/fd/06fda1b20e207e87cfef22e41b6f85d1279716bbc3ebca7937ac484d654b3ff6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/666270683C3F505486257F0700809147.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-33

## ADs that name it (0)

None.

## Approved models (12)

- Airlift International Inc. C-46A ([TCDS 3A2](https://openairdocs.org/tcds/3A2))
- Airlift International Inc. C-46D ([TCDS 3A2](https://openairdocs.org/tcds/3A2))
- Airlift International Inc. C-46F ([TCDS 3A2](https://openairdocs.org/tcds/3A2))
- Curtiss-Wright Corporation C-46E ([TCDS A-786](https://openairdocs.org/tcds/A-786))
- Flying Tiger Line Inc. C-46A ([TCDS A-772](https://openairdocs.org/tcds/A-772))
- Flying Tiger Line Inc. C-46D ([TCDS A-772](https://openairdocs.org/tcds/A-772))
- Flying Tiger Line Inc. C-46E ([TCDS A-772](https://openairdocs.org/tcds/A-772))
- Flying Tiger Line Inc. C-46F ([TCDS A-772](https://openairdocs.org/tcds/A-772))
- L. B. Smith Aircraft Corporation C-46A ([TCDS A-789](https://openairdocs.org/tcds/A-789))
- L. B. Smith Aircraft Corporation C-46D ([TCDS A-789](https://openairdocs.org/tcds/A-789))
- L. B. Smith Aircraft Corporation C-46F ([TCDS A-789](https://openairdocs.org/tcds/A-789))
- Skyways International Trading and Transport Co. C-46F ([TCDS A-808](https://openairdocs.org/tcds/A-808))

## What the certificate says

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

## Every issue (1)

- March 10, 1959: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/06/fd/06fda1b20e207e87cfef22e41b6f85d1279716bbc3ebca7937ac484d654b3ff6)

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