# STC SH422NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Columbia Helicopters
- Description: Installation of electrical sensors on each main rotor blade to monitor blade integrity in flight.
- Status date: March 14, 1977
- Data sheets: 1H16
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FBF8571B8CE6C2D885256CC2005C3207.0001
- Page: https://openairdocs.org/stc/SH422NW

## ADs that name it

None.

## Approved models (1)

- Boeing Defense & Space Group 107-II (TCDS 1H16)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.