# STC SA2121SW-AC

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: FAA Aviation System Standards AVN-300, United States
- Description: Installation of Bendix/King KLN-88 multi-chain loran navigation system with interface into efis 10 flight director system and to autopilot system.
- Applied: May 19, 1992
- Status date: July 7, 1999
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE)
- Certificate PDF: https://openairdocs.org/files/sha256/44/33/443347c31011ddb01dfcd8c045a6d29cb130f4a6c951df98e652a88621544bdf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/682E00556C07863685256CC2000159DE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2121SW-AC

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation 300 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))

## 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.

tinted States of ararrica

•Department of Transportation —.federal 2toiation administration Supplemental 'Cgpe (Certificate <_/ut>m<vW' SA2121SW-AC Aviation System Standards Flight Inspection Maintenance Division, AVN-300 6500 S. MacArthur Boulevard Oklahoma City, OK 73169 'J&&^^^ 23 Federal Aviation *-/£&24&&l&4>nA'.

: A24CE : Raytheon Aircraft Company (Beech) : 300 Super King Air ': Installation of Bendix/King KLN-88 Multi-Chain Loran Navigation System with interface into EFIS 10 flight director system and to autopilot system. This alteration is to be made in accordance with Data List BE-300-2, dated 8/14/92, or later approved revisions. Amendment 1: Establishes the KLN-88 as an independent system, isolated from the EFIS-10A Electronic Flight Instrument System, the Flight Director, and Autopilot Systems in accordance with Data List BE-300-18, dated 7/7/99, or later FAA (DAS) approved revisions.

: FAA approved Airplane Flight Manual Supplement for Raytheon Model 300 Super King Air with AlliedSignal KLN-88 Loran-C Navigation System, dated December 22, 1992, or later FAA (DAS) approved revisions, is required. Approved for IFR/VFR enroute navigation.

Approved for VMC flight only in terminal areas. Compatibility of this alteration with other approved alterations must be determined by the installer. (See continuation sheet) i VKta; us • Waltt 19, 1992 December 22, 1992 &„**. — '.- t, <,,,*,,J«/: July 7, 1999 (Signature ) DAS Coordinator (Title) Any alteration oflhis certificate is punishable by c. fine of not exceeding $!,000, or impnson:>ient no! f\feedn;g 3 years, or both.

FAA Foun 81 10-2 (10-68) I his fTttftfatf may be transffrrfd in accOJtlance with 1'AR 21 .47.

United Starts Bepartment of 'Cransportation—jp edcral a&iation administration Supplemental UCgpe Certificate(Continuation £heet) SA2121SW-AC 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.

FAA FORM SIIO-2-1 (10-69) Tins certificate may he transferred in accordance with FAR 21.47.

**PAGE 2 OF 2 PAGES C FAA AC 82 03578**

INSTRUCTIONS : The transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate In the name of the transferre and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (${ame of transferee) _ (Address of transferee) (yjumicr andstrut) from (9{ame of grantor) (Print or type) _ (Address of grantor) (City, State, aniZ/lf cak) (9{iun6er and street) (City, State, atufZlf code) Exent of Authority (if licensing agreement) :

Signature of grantor (In Page 2 of 2

## Every issue (1)

- July 7, 1999: Amended, Current. [certificate](https://openairdocs.org/files/sha256/44/33/443347c31011ddb01dfcd8c045a6d29cb130f4a6c951df98e652a88621544bdf)

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