# STC SA666SW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Aircenter Inc - Description: Forward cabin door installation. - Status date: April 14, 2006 - Data sheets: 2A4, 2A4, 2A4, 2A4, 6A1, 6A1, 6A1, 6A1, 6A1, 6A1 - Certificate PDF: https://openairdocs.org/files/sha256/b0/b1/b0b1f0aa4bff5b65a433f1553116d546e3b19603140170d804b5c9873e713b6b - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/11C7BD3FF5013F58862571EF006D5532.0001 - Page: https://openairdocs.org/stc/SA666SW ## ADs that name it None. ## Approved models (10) - Twin Commander Aircraft Corporation 500 (TCDS 6A1) - Twin Commander Aircraft Corporation 500-A (TCDS 6A1) - Twin Commander Aircraft Corporation 500-B (TCDS 6A1) - Twin Commander Aircraft Corporation 560 (TCDS 6A1) - Twin Commander Aircraft Corporation 560-A (TCDS 6A1) - Twin Commander Aircraft Corporation 560-E (TCDS 6A1) - Twin Commander Aircraft Corporation 560-F (TCDS 2A4) - Twin Commander Aircraft Corporation 680 (TCDS 2A4) - Twin Commander Aircraft Corporation 680-E (TCDS 2A4) - Twin Commander Aircraft Corporation 680-F (TCDS 2A4) ## 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. 115 Nowlin Lane, Suite 2000 Cattanooga, TN 37421 Part 3 of the Civil Air Regulations. Original Product Type Certificate Number : 6A1, 2A4 Make : Aero Commander Model : 500, 500-A, 500-B, 560-A, 560-E, 560-F, 680, 680-E, 680-F Installation of an approved Aero Commander forward cabin door according to A. D. Howard Drawing 50320. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. Date of application : June 27, 1966 Date of issuance : July 01, 1966 Date reissued : April 14, 2006 Date amended : February 16, 1970 Revision 1 ( Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region (Title) ## Every issue (1) - April 14, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b0/b1/b0b1f0aa4bff5b65a433f1553116d546e3b19603140170d804b5c9873e713b6b) --- 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.