# STC SA442AL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Northland Aviation, United States
- Description: Installation of 8.50x6 4- or 6-ply rated Goodyear or UniRoyal tires.
- Status date: November 7, 1973
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/38CD23EAEF31BAB885256CC2000E3C6C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA442AL

## ADs that name it (0)

None.

## Approved models (4)

- American Champion Aircraft Corp. 7ECA ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7GCAA ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7GCBC ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7KCAB ([TCDS A-759](https://openairdocs.org/tcds/A-759))

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