# STC SA7977SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AAR Airframe and Accessories Group Inc
- Description: Installation of Freon Air Conditioning on DeHavilland DHC-7 aircraft without battery modifications in nacelles.
- Status date: December 13, 2000
- Data sheets: A20EA
- Certificate PDF: https://openairdocs.org/files/sha256/da/2b/da2b8d8b380eec7aa1ad948639b250e83fd9b62ff68714e74d4a17b6b2401c94
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2C3E773B4C6C860085256CC20058E507.0001
- Page: https://openairdocs.org/stc/SA7977SW

## ADs that name it

None.

## Approved models (1)

- Bombardier-Rotax GmbH DHC-7 Series (TCDS A20EA)

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

JSttiteb ^tates ©f ,America of tCransporlattott - Jfcheral jAntatton ,Abmtmsirattott (EUrttftc&te //iff/-± SA7977SW AAR Airframe and Accessories Group, Inc.

an Illinois Corporation DBA: AAR Aircraft Services - Oklahoma an Oklahoma Corporation 6611 South Meridian Oklahoma City, OK 73159-1104 25 Federal Aviation Sr A20EA

DE HAVILLAND DHC7 Installation Freon Air Conditioning on DeHavilland DHC-7 aircraft without battery modifications in the nacelles in accordance with AAR Oklahoma Inc.

drawing list 17L006, Rev. B, dated March 4, 1991 or later FAA approved drawing list.

Compatibility of this modification with previously installed equipment must be determined by installer.

e/a/a /> • j? /> # /& • • /& * fj> Ga&fJ-ftw eyyiswttc MctfC svauzesi tn tyjfece ufifeff . November 01, 1990 March 14, 1991 ; 12/13/00 (Signature) Michele M, Owsley, Manager' Airplane Certification Office, Southwest "Region (Title)————————————

Wiimhrr and stTftl ) ( ('ill. Sltitf. and -~7r todf I Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- December 13, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/da/2b/da2b8d8b380eec7aa1ad948639b250e83fd9b62ff68714e74d4a17b6b2401c94)

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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.