# STC ST434CH-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Duncan Aviation Inc, United States
- Description: Installation of Dual Trimble TNL8100 GPS Navigation Systems.
- Applied: November 22, 1995
- Status date: September 12, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1SO](https://openairdocs.org/tcds/A1SO)
- Certificate PDF: https://openairdocs.org/files/sha256/0c/84/0c84ce31b1c56002033c5457b033214bde011b12219afe6805323f435bd595c5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AB884CA2A16D7EED86257600006BFFA4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST434CH-D

## ADs that name it (0)

None.

## Approved models (5)

- Lockheed Aircraft Corporation 382 ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))
- Lockheed Aircraft Corporation 382B ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))
- Lockheed Aircraft Corporation 382E ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))
- Lockheed Aircraft Corporation 382F ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))
- Lockheed Aircraft Corporation 382G ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))

## 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: ST434CH-D This certificate issued to: Duncan Aviation Inc.

3701 Aviation Road Lincoln, NE 68524 Purt. 4b of the Civil Air Regulutions.

Original Product Type Berlificate Number: AISO Make: Lockheed Model: 382, 382B, 382E, 382F, 382G Description of Type Design Change: Installation of Dual Trimble TNL8100 GPS Navigation Systems in accordance with Kal-Aero, Inc. Drawing List KA9511-25R revision C dated February 27, 1997, FAA approved April 16, 1997 or later approved revision.

1. FAA approved Airplane Flight Manual Supplement, KA9511-22R, revision C, dated April 16, 1997 or later FAA approved revision is required

2. FAA approved Airplane Maintenance Manual Supplement, KA9511-23R, revision D, dated December 14, 1995 or later FAA approved revision is required.

3. Compatibility of this design change with previously approved modifications must be determined by the installer.

4. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Bate r/upplicution : November 22, 1995 Dule reissue : September 12, 2008 Date of Issuance: December 14, 1995 Date Amended: April April 1997 By Direction of the Administrator EDERAL AVIATION (Sign Steven K impson DAS Administrator, DAS-501013-CE TOMINSTRATO Duncan Aviation, Lincoln, Nebraska (Title)

PAGE 1 This certificate may be transferred in accordance with FAR 21 47

## Every issue (1)

- September 12, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0c/84/0c84ce31b1c56002033c5457b033214bde011b12219afe6805323f435bd595c5)

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