# STC SH2277NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Rio Verde Heli Inc, United States
- Description: Installation of AC-OF-105A oil filter.
- Status date: April 25, 1984
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H3](https://openairdocs.org/tcds/2H3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/237BCAA3FA7CBC7885256CC2005C2FA4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2277NM

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-5A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))

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