# STC SA3048SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK476 consisting of Century IIB autopilot with optional radio coupler.
- Applied: March 11, 1975
- Status date: August 16, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/e0/e8/e0e888af2a3ed942fafa1c93edc9b1dc2cca1f7e4d7f96c1733a996ff0c5582d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/36BF1A5F65734D4885256CC2000A9324.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3048SW-D

## ADs that name it (0)

None.

## Approved models (5)

- Mooney International Corporation M20C ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20D ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20E ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20F ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## 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.

<Sleattta&{mA- Btpartraent of Transportation —federal Station administration

•upplemental t^pe Certificate istMm-veQ" SA3048SW-D Century Flight Systems, Inc.

P.M. 1195 P.O. Box 610 Mineral Wells, TX 76067 m Jfa'J'^f deA^nj(^Jite2ei&w^np^^ Civil Air ——<jA^4e-"&*«iiS-c«^i/!iwra«5»' -' 2 A3 Mooney M20C, M20D, M20E, M20F, M20G, M20J ^£t£AiC9<vtl&4>*rt- 4?f \If'1ufl&^£.l4&t<Bifl' ~fanafup4'.' Installation of Mitchell Automatic Flight System Model AK476 consisting of Century IIB Autopilot with Optional Radio Coupler according to Bulletin No. 597, Revision 9, dated 10-6-77 and Master Drawing List No. 87A781, Revision 1, dated 10-6-77.

, One of the following FAA Approved Airplane Flight Manual Supplements is required for Mooney Models M20C, M20D, M20E, M20F, and M20G owners:

P/N 68S229-1, dated 9-8-75 or 68S521, dated 2-18-77, FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 68S424-1, dated 4-15-77 is required for Mooney Model M20J owners, Compatibility of this modification with other previously approved modifications must be determined by the installer.

Jfa^^^ -&irjrni#*Ji£frrvJta& £SefmJmi&&a£e>*'aF 9-8-75; 10-6-76; 11-5-76; 2-18-77;

4-15-77; 10-13-77; 8-16-84, Revision 7 P. Watson ff Manager, Aircraft Certification Division Reion

7"Au ctrtifitalt may In Itaiufrmd in tcatrfana unlft FAR 21.17.

,NSTRUCTIONS:

the tr.n.fer ofthii Supplemental Type Certificate.

FAA wil! rei«Ue the certifi^.e in .he ..me of .he

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

(Address of transferee).

°fg*ant°T) (Print or type) (Address of grantor) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e0/e8/e0e888af2a3ed942fafa1c93edc9b1dc2cca1f7e4d7f96c1733a996ff0c5582d)

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