# STC SA974EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Rock Avionic Systems Inc, United States
- Description: Installation of L/R wing tip trans- parent fairing and sensor mounting bracket.
- Status date: February 26, 1974
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS A4CE](https://openairdocs.org/tcds/A4CE), [TCDS A9CE](https://openairdocs.org/tcds/A9CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/149C49C9549A53C285256CC2005A7256.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA974EA

## ADs that name it (0)

None.

## Approved models (7)

- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- The Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 188B ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company A188B ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company U206F ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))

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