# STC SA3124SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK594 consisting of Century III
Autopilot with Optional Radio Coupler and Glide Slope Coupler
- Applied: March 23, 1976
- Status date: June 5, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS LTC-11](https://openairdocs.org/tcds/LTC-11)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/b4/ddb4caac8082e55c6b640cbd181fb2791fb48705959aedfea2f1847f4d48c249
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/052D7CC75349883F85256CC2000A9423.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3124SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Cal Pacific Airmotive Inc. Army P-51D ([TCDS LTC-11](https://openairdocs.org/tcds/LTC-11))
- Cal Pacific Airmotive Inc. Army P-51K ([TCDS LTC-11](https://openairdocs.org/tcds/LTC-11))

## 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.

Bcpartment of Importation—federal attiation administration Supplemental 'Cgpt Certificate tSMvrrvvei11' SA3124SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 W^^J^^e>&ott>tir^fw^^ .Jr{&MM>€*^^ 9 jdj&v Civil Air iSt&Q4&CQ'£t<(>'yi&'.

LTC— 11 North American P51D, P51K (F51D, F51K) Installation of Mitchell Automatic Flight System Model AK594 consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 718, Revision 1, dated 4-27-76 and Master Drawing List No. 87A850, Revision A, dated 4-27-76.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S362-1, dated 5-24-76 is required Placard P/N 13A660-2 is required.

Placard P/N 13A863 is required.

?8?SS!2gr?th °ther prevlo«sly approved modifications *Svrida£a4t>A4Cn i& t/i&J-aAtA 4*'mfiSiwi>a/AAM///rtrrtjun *«/fe<'X^«»tyJ^il<«»^

• xiAm: 3-23-76 /,,6 ~*4*«/ : 5-24-76; 6-05-84, Revision 2 3—30—76 _X«<J- artt ,.iu,j>wtfri * Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

FAAFotM 8110-2 (10-68)

.NSTRUCTIONS: The transfer endorsement be,———ay be u~d to notify ,he appropriate FAA Kepona, Office of the transfer of (hit Supplemental Type Certificate.

The FAA will reissue «he certificate in ,he name of .he transferee and forward i, to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee).

from (Name of grantor) (Print or type).

(Address of grantor) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- June 5, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/dd/b4/ddb4caac8082e55c6b640cbd181fb2791fb48705959aedfea2f1847f4d48c249)

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