# STC SH1528NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Enviro Systems Inc., United States
- Description: Installation of Freon Compressor Air Conditioning System in accordance with Aero Engineering Corporation Drawing List, DL-9, FAA approval dated November 26, 1982, or later FAA approved revision.
- Applied: October 11, 1982
- Status date: June 20, 2003
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EB1DA033F88507F086256D7100657756.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1528NM

## ADs that name it (0)

None.

## Approved models (3)

- MD Helicopter Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369H ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

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