# STC SA2148CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Installation of King KNS-660 flight management system.
- Applied: September 10, 1985
- Status date: April 27, 2017
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- Certificate PDF: https://openairdocs.org/files/sha256/a9/01/a90192fc5f1878e35255b4babb16dc305dde8e1656ca6d32e79c73547e95fc07
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A11E0CD34A72078F8625817D0051104F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2148CE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company S550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title Type Certificate Data Sheet A22CE.

SA2148CE Textron Aviation Inc.

One Cessna Boulevard Wichita, KS 67215 25 Federal Aviation Regulations as specified in Cessna S550 2 A22CE Installation of King KNS-660 Flight Management System per Cessna Drawing List CF90001 (single flight director), revision N/R, dated October 7, 1985, or Cessna Drawing List CF90006 (dual flight director), revision N/A, dated April 21, 1988, or later FAA Approved revisions. Airplane Flight Manual Supplement FM90002 (single flight director), dated October 15, 1985, or FM90007 (dual flight director), dated May 10, 1988, or later FAA Approved revisions, must be inserted in the Airplane Flight Manual when the airplane is modified per this STC.

1. This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of these other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

2. This STC is limited to airplanes equipped with a single or dual Sperry SPZ-500 autopilot/flight director system, Collins DME-42/IND-42 DME system and Collins VIR-32/CTL-32 VOR system.

April 27, 2017 May 10, 1988 September 10, 1985 October 15, 1985 Mark Fuller STC ODA administrator ODA-100129-CE

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (2)

- April 27, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a9/01/a90192fc5f1878e35255b4babb16dc305dde8e1656ca6d32e79c73547e95fc07)
- May 10, 1988: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/2d/af/2dafb81988dfe4adb5fc81baacbd0bb12b27bc305fa6a90578f3e2f7927a6552)

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