# STC SA1526SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK387, consisting of Century IIB autopilot with optional radio coupler.
- Applied: September 7, 1972
- Status date: July 13, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/5d/31/5d3124b9118ecf94c597b9785ed9e2f2e23fb21d8c63bf0813a9a7eb5b599785
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C8F0B4F502BC033A85256CC1008212A7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1526SW

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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.

©cpartment of Ijanfiportation — JPcderal Sloiation administration Supplemental t:uje Certificate SA1526SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 £h* ^nart-ae. i srtajt*f& Gnain&f ,M*duc£ —— > Air Cessna 210L, T210L Installation of Mitchell Automatic Flight System Model AK387 consisting of Century IIB Autopilot with optional Radio Coupler according to Bulletin No. 509, Revision (1) dated 8-3-73 and Master Drawing List 87A617 dated 9-5-72. Installation of Mitchell Radio Coupler Model 1C388-3 per Bulletin No. 611, Revision (1) dated 4-16-74 and Master Drawing List 87A708, Revision A dated 4-16-74.

FAA Approved Mitchell Industries, Inc. Placard -13A689-387 is required for Century IIB.

FAA Approved Autopilot Flight Manual Supplement P/N 68S168 dated April 16, 1974, is required for Mitchell Radio Model 1C388-3.

°ther Prevlously <W™ved modifications September 7, 1972 October 18, 1972 4-16-74; 7-13-84, Revision 2 if Mf .^'/ Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

Ttiu certificate may be Iransfttrtd m accordance with hAR 21.47.

INSTRUCTIONS: The transfer endorsemcni below may be used 10 notify the appropriate FAA Regional Office of ihe transfer of this Svipplementa! Type Certificate.

The FAA will reissue [he certificate in ihc name of the transferee and forward il to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) Jitmbf! and tt'fti) (City, Stair, ant flP nd,/ from (Name of grantor) (Print or type) (Address of grantor) (Nuinbrr and ititrtf I City. StoU. a Extent of Authority (if licensing agreement):

Signature of grantor (In ink): _ C FAA AC 69-SS36

## Every issue (1)

- July 13, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5d/31/5d3124b9118ecf94c597b9785ed9e2f2e23fb21d8c63bf0813a9a7eb5b599785)

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