# STC SA4118SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Installation of Dual Collins FDS-85 Flight Director Systems (FGP-80 Flight Guidance Panel, P/N 622-2213-060; FGC-80 Flight Guidance Computer, P/N 622-2256-004; Flight Director Indicator P/N 622-4808-001; Course Indicator, P/N 622-4176-001; HCP-87 Heading and Course Selector, P/N 622-5476-002)
- Applied: January 24, 1980
- Status date: July 17, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/b7/1b/b71bbd2ce5ae3b3215131ddc776a9926df1ea81e5251625bc81b92b6d56f5362
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7D4844928FB77AE68625820200707E56.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4118SW

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. HS.125 Series 700A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title Textron Aviation Inc.

One Cessna Boulevard Wichita, KS 67215 2 SA4118SW Civil Air Regulations.

4b Installation of Dual Collins FDS-85 Flight Director Systems (FGP-80 Flight Guidance Panel, P/N 622-2213-060; FGC-80 Flight Guidance Computer, P/N 622-2256-004; Flight Director Indicator P/N 622-4808-001; Course Indicator, P/N 622-4176-001; HCP-87 Heading and Course Selector, P/N 622-5476-002) according to Drawing List No. 125-026, Revision E, dated May 2, 1980, or later FAA approved revision.

FAA Approved Airplane Flight Manual Supplement dated May 2, 1980, revised March 29, 1982, is required.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Hawker Siddeley HS.125-700A May 29, 1982; July 17, 2017 January 24, 1980 May 2, 1980 A3EU Mark Fuller STC ODA administrator ODA-100129-CE

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (1)

- July 17, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b7/1b/b71bbd2ce5ae3b3215131ddc776a9926df1ea81e5251625bc81b92b6d56f5362)

---
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.