# STC SA4-1284

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bendix Aviation Corporation, United States
- Description: Wheel 150741-5, brake assemblies151924-2, -3, -4, -5, or -6, and hydraulic adjuster 151826 or -2.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21), [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ADC71AE49083E0D5862570CE00605187.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-1284

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 707 Series ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707 Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

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