# STC ST737CH-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Duncan Aviation Inc, United States
- Description: Installation of Universal Navigation Corporation UNS-1K flight management system, using software (SCN) 602.x.
- Applied: January 12, 1998
- Status date: October 6, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2SW](https://openairdocs.org/tcds/A2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/79/17/79179d30f8615d57ec45595b053f9bc0264d68f076222e97e2df6092b6f469f3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/99DCA10DE03288ED8625794F006AD840.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST737CH-D

## ADs that name it (0)

None.

## Approved models (2)

- Israel Aircraft Industries Ltd. 1124 ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))
- Israel Aircraft Industries Ltd. 1124A ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))

## 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

Installation of Universal Navigation Corporation UNS-1K Flight Management System, using software (SCN)

602.x, in accordance with Kal-Aero Drawing List KA9801-10R, Revision A, dated February 9, 1998, or later FAA approved revision.

1. FAA approved Airplane Flight Manual Supplement, KA9801-14R, Revision , dated January 12, 1998, FAA approved February 27, 1998, or later FAA approved revision is required.

2. FAA approved Airplane Maintenan ce Manual Supplement, KA9801-15R, Revision , dated January 12, 1998, FAA approved February 19, 1998, or later FAA approved revision is required.

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

4. A copy of this Certificate, the Main tenance Manual Supplement and Flight Manual Supplement must be maintained as part of the permanent records of the modified aircraft.

5. 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 A2SW Make : Israel Aircraft Industries, Ltd.

Model : 1124/1124A Date of application : January 12, 1998

Date of issuance : February 27, 1998 Date reissued : February 3, 1999, October 06, 2008

Original signed by Steve Simpson

( Signature) Steven K. Simpson 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)

- October 6, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/79/17/79179d30f8615d57ec45595b053f9bc0264d68f076222e97e2df6092b6f469f3)

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