# STC SH91WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Los Angeles Airways, Inc, United States
- Description: Electrical system modification.
- Status date: April 29, 1969
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 1H15](https://openairdocs.org/tcds/1H15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FA89A99B56D51F8C85256CC20062239C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH91WE

## ADs that name it (0)

None.

## Approved models (1)

- Sikorsky Aircraft Corporation S-61L ([TCDS 1H15](https://openairdocs.org/tcds/1H15))

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