# STC SA3125SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK595 consisting of Century IIB
Autopilot with Optional Radio 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/sha256/85/c3/85c39b24cb69f7eb247fa5dbfbe6767b5455f1f17d977e9b5edfd27b07749f93
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/60B6BF07CFD5605D85256CC2000A9426.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3125SW-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

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA31255W-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Purt 9 of the CIVI1 Air Regulations.

Original Product - Type Certificate Number: LTC-11 Make: North American Model: P5ID, P5IK (F51D, F51K) Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK595 consisting of Century IIB Autopilot with Optional Radio Coupler according to Bulletin No. 719, dated 3-22-76 and Master Drawing List No. 87A849, dated 3-22-76.

FAA/DAS Approved Supplemental Flight Manual, P/N 68S363, dated 3-30-76 is required.

i shall main in fet untien rendered, suspended, versked, or a termination date is otherwise es labdished by the Adminis braler of the Federal Aviation Administration .

Date of Application: 3-23-76 Sule missued: 6-05-84, Revision 1 Date of Issuance: 3-30-76 Jale unended:

FEDERAL AVIATION By Direction of the Administrator Don P. Watson (Signature) TONIN STRATO • N Manager, Aircraft Certification Division Southwest Region (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) - (Number and streel) (City, Stale, and RIP code ) from (Name of grantor) (Print or type) - (Address of grantor) (Number and sireel;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In int): -

## Every issue (1)

- June 5, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/85/c3/85c39b24cb69f7eb247fa5dbfbe6767b5455f1f17d977e9b5edfd27b07749f93)

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