# STC SA681SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc
- Description: Installation of Mitchell automatic flight system AK216 consisting of Century III autopilot with optional automatic pitch trim, automatic aileron stabilizer and radio coupler.
- Status date: June 25, 1984
- Data sheets: A7CE, A7CE
- Certificate PDF: https://openairdocs.org/files/sha256/15/0e/150e1404059280d9137da376abb4db647ee5e11549056d40ab2809644471af7c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0CAE7BA6CE973B5D85256CC20056A02A.0001
- Page: https://openairdocs.org/stc/SA681SW

## ADs that name it

None.

## Approved models (2)

- Textron Aviation Inc. 411 (TCDS A7CE)
- Textron Aviation Inc. 411A (TCDS A7CE)

## 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.

Btpartmtnt of transportation—Jftdtral atriation administration Supplemental t^pe Certificate tSUtmvev SA681SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 ,Zfi&J4y/wdeA&ff*vf(^J<n&ft>v6c>ti'tin&fv>wdi^£^^ ^</&»^ 3 _^__<_v Civil Air A/CE Cessna 411, 411A Installation of Mitchell Automatic Flight System Model AK216 consisting of Century III Autopilot with optional Automatic Pitch Trim, Automatic Aileron Stabilizer and Radio Coupler according to Bulletin No. 330, Revision 3, dated 3-3-7Q, and installation of Glide Slope Coupler according to Bulletin No. 369 dated 11-6-67 and installation of Mitchell Radio Coupler Model 1C388-3 per Bulletin No. 611, Revision 1, dated 4^-16-74 and Master Drawing List No. 87A708, Revision A, dated 4-16-74, The following FAA Approved Airplane Flight Manual Supplements are required;

1. Supplement dated 8-18-66 for Century III installation for Model 411; or dated 3-26-68 for Models 411 and 411A,

2. Supplement dated 8-18-66 for Stabilizer installation for Model 411; or dated 3-26^68 for Models 411 and 411A.

dated April 16, 1974 for Mitchell Radio Coupler.

°ther Piously approved .edifications 27, 1966 /«6~*A««/: 3-26-68; 9^0-68; 4^16- 6-25-84, Revision 4 AugUSt 18, 1966 ,u' Don P. Watson (Signature) ----- Manager, Aircraft Certification Division Southwest Region (Title) Auy alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding Shears, or both.

FAA FO*M 8110-J (10-68)

The FAA will retuue the certificate in the name of the transferee and forward it 10 him.

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

(Address of transferee). I .Vumttr *nd sttal) , Slatt, tnd y? axU I from (Name of grantor) (Print or type).

(Address of grantor) «n</ Untl'i (Cify. Suit, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

. ii « r. 0 n ««««-««»-n«o

## Every issue (1)

- June 25, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/15/0e/150e1404059280d9137da376abb4db647ee5e11549056d40ab2809644471af7c)

---
From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.