# STC ST00317WI-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Duncan Aviation Inc, United States
- Description: Installation of an Allied-Signal Mark V Ground Proximity Warning System (GWPS).
- Applied: April 24, 1995
- Status date: October 27, 2009
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/16/26/1626a5a0deb0457fb800d1c160a44be059e9ca07e6a4bb47adc8b75006289e1f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D38C043EC86C52CB8625773B0067F33A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00317WI-D

## ADs that name it (0)

None.

## Approved models (1)

- Learjet Inc. 60 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number S00317W1-D This certificate issued to: Duncan Aviation Inc.

3701 Aviation Road Lincoln, NE 68524 Purt 25 of the Federal Aviation Pregulations.

Original Product -- Type. Gerlifcate, Number: A10CE Make: Learjet Model: 60 Description of Type Design Change: Installation of an Allied-Signal Mark V Ground Proximity Warning System (GWPS). Data Required: (1) Duncan Aviation Inc., Document List No. 10045100, Revision A, dated May 19, 1995, (2) FAA Approved Flight Manual Supplement, Document No. 40150300, dated May 25, 1995, or later FAA Approved Revisions to (1) or (2).

Sinitali and Fondition: Compatibility of this design change with previously approved modifications must be determined by the installer.

Date of Application: April 24, 1995 Date Reissued: October 27,2009 Dule o/ issuunce: May 25, 1995 Liate unvended:

FEDERAL AVIATION Win chla (Signature) P. Mike Chick Jr.

TOMNISTRATO DAS Administrator, DAS-501013-CE Duncan Aviation, Lincoln, Nebraska (Title)

47.

## Every issue (1)

- October 27, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/16/26/1626a5a0deb0457fb800d1c160a44be059e9ca07e6a4bb47adc8b75006289e1f)

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