# STC SA4-302

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ACS Products Co, Inc, United States
- Description: Installation of BN-1 propeller spinner.
- Status date: October 30, 1985
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-728](https://openairdocs.org/tcds/A-728), [TCDS A-802](https://openairdocs.org/tcds/A-802), [TCDS A-758](https://openairdocs.org/tcds/A-758), [TCDS A-761](https://openairdocs.org/tcds/A-761), [TCDS A-773](https://openairdocs.org/tcds/A-773), [TCDS A-768](https://openairdocs.org/tcds/A-768), [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS A-729](https://openairdocs.org/tcds/A-729), [TCDS A-709](https://openairdocs.org/tcds/A-709), [TCDS A-715](https://openairdocs.org/tcds/A-715), TCDS Miscellaneous, [TCDS A-803](https://openairdocs.org/tcds/A-803), [TCDS 1A1](https://openairdocs.org/tcds/1A1), [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS 1A6](https://openairdocs.org/tcds/1A6), [TCDS A-692](https://openairdocs.org/tcds/A-692), [TCDS A-703](https://openairdocs.org/tcds/A-703), [TCDS ATC 595](https://openairdocs.org/tcds/ATC%20595), [TCDS A-720](https://openairdocs.org/tcds/A-720), [TCDS A-730](https://openairdocs.org/tcds/A-730) and 5 more
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3823A82503DA93F385256CC2000C5E47.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-302

## ADs that name it (0)

None.

## Approved models (54, first 50)

- Aeronca Aircraft Corporation 15AC ([TCDS A-802](https://openairdocs.org/tcds/A-802))
- Aeronca Aircraft Corporation 50-TC ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 50-TL ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 60-TF ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TAC (Army L-3E) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TAF (Army L-3D) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TAL ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TC (Army L-3J) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TF ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TL ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation S15AC ([TCDS A-802](https://openairdocs.org/tcds/A-802))
- Aeronca Aircraft Corporation YO-58 (Army L-3) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aircraft Parts & Development Corp. A Series ([TCDS A-758](https://openairdocs.org/tcds/A-758))
- American Champion Aircraft Corp. 11AC ([TCDS A-761](https://openairdocs.org/tcds/A-761))
- American Champion Aircraft Corp. 11BC ([TCDS A-761](https://openairdocs.org/tcds/A-761))
- American Champion Aircraft Corp. S11AC ([TCDS A-761](https://openairdocs.org/tcds/A-761))
- Bellanca Aircraft Corporation 14-13 Series ([TCDS A-773](https://openairdocs.org/tcds/A-773))
- Commonwealth Aircraft Inc. 175 ([TCDS A-729](https://openairdocs.org/tcds/A-729))
- Commonwealth Aircraft Inc. 180 ([TCDS A-729](https://openairdocs.org/tcds/A-729))
- Commonwealth Aircraft Inc. 180F ([TCDS A-729](https://openairdocs.org/tcds/A-729))
- Commonwealth Aircraft Inc. 185 ([TCDS A-729](https://openairdocs.org/tcds/A-729))
- Commonwealth Aircraft Inc. 190F ([TCDS A-729](https://openairdocs.org/tcds/A-729))
- Consolidated Vultee Aircraft Corporation Stinson Division 10 ([TCDS A-709](https://openairdocs.org/tcds/A-709))
- Consolidated Vultee Aircraft Corporation Stinson Division HW-75 ([TCDS A-709](https://openairdocs.org/tcds/A-709))
- McClish Thomas H. B75L (Army UC-92) ([TCDS A-715](https://openairdocs.org/tcds/A-715))
- McClish Thomas H. B85C ([TCDS A-715](https://openairdocs.org/tcds/A-715))
- Miscellaneous Miscellaneous (TCDS Miscellaneous)
- Mooney Mite Aircraft Corporation M-18 Series ([TCDS A-803](https://openairdocs.org/tcds/A-803))
- Rankin Joe CP-55 ([TCDS A-720](https://openairdocs.org/tcds/A-720))
- Rankin Joe CP-65 ([TCDS A-720](https://openairdocs.org/tcds/A-720))
- Rankin Joe CS-65 ([TCDS A-720](https://openairdocs.org/tcds/A-720))
- Rankin Joe FP-65 ([TCDS A-720](https://openairdocs.org/tcds/A-720))
- Rankin Joe LP-65 ([TCDS A-720](https://openairdocs.org/tcds/A-720))
- Superior Aircraft Company Culver LCA ([TCDS A-730](https://openairdocs.org/tcds/A-730))
- Superior Aircraft Company Culver LFA ([TCDS A-730](https://openairdocs.org/tcds/A-730))
- Swift Museum Foundation Inc. GC-1A ([TCDS A-766](https://openairdocs.org/tcds/A-766))
- Swift Museum Foundation Inc. GC-1B ([TCDS A-766](https://openairdocs.org/tcds/A-766))
- Taylorcraft Inc. BL ([TCDS A-700](https://openairdocs.org/tcds/A-700))
- Taylorcraft Inc. BL-65 (Army L-2F) ([TCDS A-700](https://openairdocs.org/tcds/A-700))
- Taylorcraft Inc. BL12-65 (Army L-2J) ([TCDS A-700](https://openairdocs.org/tcds/A-700))
- Taylorcraft Inc. DC Series ([TCDS A-746](https://openairdocs.org/tcds/A-746))
- The Cessna Aircraft Company 120 ([TCDS A-768](https://openairdocs.org/tcds/A-768))
- The Cessna Aircraft Company 140 ([TCDS A-768](https://openairdocs.org/tcds/A-768))
- The Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The New Piper Aircraft Inc. J-2 ([TCDS ATC 595](https://openairdocs.org/tcds/ATC%20595))
- The New Piper Aircraft Inc. J3 Series ([TCDS A-692](https://openairdocs.org/tcds/A-692))
- The New Piper Aircraft Inc. J4 Series ([TCDS A-703](https://openairdocs.org/tcds/A-703))
- The New Piper Aircraft Inc. PA-16 ([TCDS 1A1](https://openairdocs.org/tcds/1A1))
- The New Piper Aircraft Inc. PA-18 Series ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-19 Series ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

All 54: https://openairdocs.org/stc/SA4-302/models.md

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