# STC SA1474SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Williams Robert or Barbara, United States
- Description: Installation of 'MASA' 1223000-7 and -8 wing tip.
- Applied: March 22, 1972
- Status date: September 5, 1979
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A5](https://openairdocs.org/tcds/5A5), [TCDS 5A2](https://openairdocs.org/tcds/5A2), [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS A4CE](https://openairdocs.org/tcds/A4CE), [TCDS A16CE](https://openairdocs.org/tcds/A16CE), [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/5e/c4/5ec46262bc982eaa3841e5e4654e49fb71d9f59c828a6507a5c518d539e5d356
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EF2588CD2B2F7F5A85256CC100821196.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1474SW

## ADs that name it (0)

None.

## Approved models (102, first 50)

- Regal Air Inc. 305A ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305C ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305D ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305F ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Textron Aviation Inc. 140A ([TCDS 5A2](https://openairdocs.org/tcds/5A2))
- Textron Aviation Inc. 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150A ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150B ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150C ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150E ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Textron Aviation Inc. 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

All 102: https://openairdocs.org/stc/SA1474SW/models.md

## What the certificate says

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

## Every issue (1)

- September 5, 1979: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5e/c4/5ec46262bc982eaa3841e5e4654e49fb71d9f59c828a6507a5c518d539e5d356)

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