# STC SA2056CE-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: ONE ONLY STC, SN 42-5527023: Installation of King KFC 400 Automatic Flight Control System and KNS 660 Multi-Sensor Flight Management System.
- Applied: March 25, 1986
- Status date: March 23, 2020
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A23SO](https://openairdocs.org/tcds/A23SO)
- Certificate PDF: https://openairdocs.org/files/sha256/81/2b/812b9f9c4d452c8bbc98112913bb0cb7a15c978228ebbca68a6af6bcc3e24e61
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/63FAE1B41310DED98625861E00771890.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2056CE-D

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-42-1000 ([TCDS A23SO](https://openairdocs.org/tcds/A23SO))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 1 of 2 FAA Form 8110-2 (5/14)

Number: SA2056CE-D This certificate issued to: Honeywell International Inc.

21111N 19th Ave Phoenix, Arizona 85027 Part 23of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Piper Model:

A23SO PA-42-1000

Installation of King KFC400 Automatic Flight Control System and KNS660 Multi-Sensor Flight Management System.

REQUIRED DATA: 1. King Master Drawing List 155-9354-00dated 3-25-86or later FAA approved revision.

KNS660 Pilot’s Guide No. 006-8407-00or later revision is required. The approval of this change in type design applies only to airplane serial number 42-5527023.

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.

Date of Application: 3-25-86 Date Reissued: 2-28-95, 2-28-00, 3-23-20

Date of Issuance: 7-8-86 Date Amended:

Signature

Title Richard B. Sleigh ODA Administrator, ODA-602216-NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 2 of 2 FAA Form 8110-2 (5/14)

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (2)

- March 23, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/81/2b/812b9f9c4d452c8bbc98112913bb0cb7a15c978228ebbca68a6af6bcc3e24e61)
- February 28, 2000: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/68/c1/68c11593e97f988ab695468667c88ae90a6e11bda4ca3a6e6f23bf3140b3ca85)

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