# STC SA3244SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK614, consisting of Century III autopilot with optional radio coupler.
- Applied: September 7, 1977
- Status date: March 29, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A8](https://openairdocs.org/tcds/1A8)
- Certificate PDF: https://openairdocs.org/files/sha256/e6/4a/e64aeb954afbac6743a8aa858f1e9a646bbd3629a09d37ad51f0c1fcc7a5b7a5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/135AA6AD0B63F03385256CC2000A95C8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3244SW-D

## ADs that name it (0)

None.

## Approved models (3)

- Helio Aircraft LLC H-250 ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-295 (USAF U10D) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-395A ([TCDS 1A8](https://openairdocs.org/tcds/1A8))

## 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.

Bepartment of transportation —federal 2toiation administration Supplemental Ttgpe Certificate ZsteaMta&vnA'.

SA3244SW Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Jfojyfiv^chlsjpw^wJ^fi ' * ., „Civil Air . . _ Helio Installation of Mitchell Automatic Flight System Model AK614 consisting of a Century III Autopilot with Optional Radio Coupler according to Bulletin No.

740, dated 8-29-77 and Master Drawing List No. 87A960, dated 8-29-77(28 Volt) or later FAA approved revisions.

: Eligible only on Helio Model H-295, 8/N 1457 and below.

Also eligible on Helio Model H-295* S/N 1457 and Below Bhen Modified in Accordance with STC SA156SO and Helio Model H-395 When Modified in Accordance with SIC SA125SO.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S587-S, dated 9-29-77 is required or later FAA approved revision.

Other ^±ously approved modifications — 77 3—28—84 Revision 1 Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region (Title)

**FAAFOKM8110-2(10-68)**

.NiTTRUCTIONS: The transferendowment below may be used ,o notify the appropriate FAA Regional Office of the transfer of ihii Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee). (.Vumttr ml strut) from (Name of grantor) (Print or type).

(do. Stele,««/ ZIP "^ > (Address of grantor) mi ttrtttj (Cify, Suit.

Signature of grantor (In ink):

ii < r. 0 n ««••-««»•*»«»

## Every issue (1)

- March 29, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e6/4a/e64aeb954afbac6743a8aa858f1e9a646bbd3629a09d37ad51f0c1fcc7a5b7a5)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
