# STC SH7924SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Apical Industries Inc, United States
- Description: Installation of an electric motor driven vapor cycle air conditioning system.
- Applied: December 6, 1989
- Status date: November 27, 2007
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/7c/ff/7cff9935e7d1c70dc230b08966f5a97b4278cec63c92ed6885c17e97296e99ed
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/427398D78889289F86258322005B734F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH7924SW

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- November 27, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7c/ff/7cff9935e7d1c70dc230b08966f5a97b4278cec63c92ed6885c17e97296e99ed)

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