# STC SA1782GL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Gulfstream Aerospace Corporation, United States
- Description: Installation of a Honeywell Mode S diversity transponder system.
- Applied: April 6, 1992
- Status date: February 25, 1999
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/2c/81/2c819e375e8146498279ce8ac98af0586365da0ddd1337060cfecfe093620061
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B204A89D6F609FD585256CC10083D066.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1782GL

## ADs that name it (0)

None.

## Approved models (5)

- Textron Aviation Inc. BAe.125 Series 800A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Textron Aviation Inc. BAe.125 Series 800A (C-29A) ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Textron Aviation Inc. BAe.125 Series 800A (U-125) ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Textron Aviation Inc. Hawker 800 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Textron Aviation Inc. Hawker 800XP ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## What the certificate says

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

## Every issue (1)

- February 25, 1999: Amended, Current. [certificate](https://openairdocs.org/files/sha256/2c/81/2c819e375e8146498279ce8ac98af0586365da0ddd1337060cfecfe093620061)

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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.