# STC SA1579SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK414 consisting of Century IIB autopilot with optional radio coupler.
- Applied: November 27, 1972
- Status date: July 16, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/76/c4/76c4a820a97f41c55863d1f60947f153417e422329c69b16b6fec9521857cf38
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EA745A97C929655985256CC1008213B2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1579SW

## ADs that name it (0)

None.

## Approved models (11)

- Cessna Aircraft Company 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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.

*Sl#atiita&tr Btpartment of TCransportatuin —federal aoiation administration Supplemental TCuje Certificate *Sfa#trvv€4f' SA1579SW Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Civil Air 3A13, 5A6 Cessna 180, 180A, 180B, 180C, 180D, 180E, 182, 182A, 182B, 182C, 182D Installation of Mitchell Automatic Flight System Model AK414 consisting of Century IIB Autopilot with optional Radio Coupler according to Bulletin No. 537 Revision (1) dated 6-7-73 and Master Drawing List 87A645 Revision B dated 6-7-73. Installation of Mitchell Radio Coupler Model 1C388-3 according to Bulletin No. 611 Revision (1) dated 4-16-74 and Master Drawing List 87A708 Revision A dated 4-16-74.

Eligible on Landplane configuration only.

FAA Approved Mitchell Industries, Inc. Placard 13A689-414 is required.

FAA Approved Autopilot Flight Manual Supplement P/N 68S168 dated April 16, 1974, is required for Mitchell Radio Coupler Model 1C388-3, . da/a November 27, 1972 December 27, 1972 °ther proved modifications -^jZarfttf ?/*& „<*> — ^-9-10-73; 4-16-74; 7-16-84, Revision 3 Don P. Watson Manager, Aircraft Certification Division Southwest Region (Till* I Any alteration oftkis certificate w punishable or a fine of not exceeding tl ,000, or imprisonment not exceeding 3 years, ur both.

This ctrlifieale may be tramfrrrtd in accmetanct with f-AR 21.47.

FAAPow It IO-1J10-AI)

INSTRUCTIONS. The Transfer endorsement below may he used la notify the appropriate FAA Regional Office of (he transfer of this Supplemental Type Certificate.

The FAA will reissue ihe certificate in I he name of [he transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (City. Stall, and %1P mdt) from (Name of grantor) (Print or type) (Address of grantor) (Wumbir and i /City, Suit, a Extent of Authority (if licensing agreement):

Signature ol grantor (In ink):

**C FAA AC 63-5336**

## Every issue (1)

- July 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/76/c4/76c4a820a97f41c55863d1f60947f153417e422329c69b16b6fec9521857cf38)

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