# STC ST442CH-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Duncan Aviation Inc, United States
- Description: Data Required:  (1) Kal-Aero, Inc., Master Drawing List, No. KA9612-08R, Revision , dated December 5, 1996; (2) Kal-Aero, Inc., FAA Approved Airplane Flight Manual Supplement, No. KA9612-12R, Revision , dated February 7, 1997 or later FAA approved revisions to (1) or (2).
- Applied: December 24, 1996
- Status date: September 22, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/02/35/02358a7691ae85e83183d4d135094409d54f247650c39f9310ddc4168a45172f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B6E8804784A766B886257973006879D9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST442CH-D

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-1159A ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

## 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.

Part 4b of the Civil Air Regulations.

Original Product--Type Certificate Number

Description of Type Design Change: Installation of dual AlliedSignal GNS-XLS Flight Management Systems.

Data Required: (1) Kal-Aero, Inc., Master Drawing List, No. KA9612-08R, Revision Ø, dated December 5, 1996; (2) Kal-Aero, Inc., FAA Approved Airplane Flight Manual Supplement, No. KA9612-12R, Revision Ø, dated February 7, 1997 or later FAA approved revisions to (1) or (2).

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

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.

Duncan Aviation Inc.

3701 Aviation Rd.

Lincoln, NE 68524 A12EA Make : Gulfstream Aerospace Corporation Model : G-1159A Date of application : December 24, 1996

Date of issuance : February 7, 1997 Date reissued : September 22, 2008

Date amended : June 12, 1997

Original signed by Steve Simpson

( Signature) P. Mike Chick, Jr.

DAS Administrator, DAS-501013-CE Duncan Aviation, Lincoln, Nebraska

( Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee) (Number and street)

(City, State, and Zip code)

from (Name of grantor) (Print or type)

(Address of grantor) (Number and street)

(City, State, and Zip code)

Signature of grantor (In ink):

## Every issue (1)

- September 22, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/02/35/02358a7691ae85e83183d4d135094409d54f247650c39f9310ddc4168a45172f)

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