# STC SH515AL - Type: Supplemental type certificate - Status: Current, Amended - Holder: USA Airmobile, Inc, United States - Description: Fabrication and installation of Transporter cargo steps (left and right). Applies only to those Bell models 206A and 206B rotorcraft which are fitted with Bell high skid landing gear (P/N 206-706-064). - Applied: October 25, 1973 - Status date: August 14, 2018 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW) - Certificate PDF: https://openairdocs.org/files/sha256/6a/be/6abec7c5c82d315a11607dd861023923969335b68343d8d9fc3a386ce7c07061 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C69A6A576ECC9D1D862582F700641C2E.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SH515AL ## ADs that name it (1) - [AD 79-10-01](https://openairdocs.org/ad/79-10-01): External Load Carrying Devices ยท Bell Helicopter Textron Canada 206A and 206B with STC SH474AL or SH515AL. Effective May 14, 1979. Named in the applicability ## Approved models (2) - Bell Helicopter Textron (Canada) 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron (Canada) 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) ## 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. Fabrication and installation of "Transporter" cargo steps (left and right) in accordance with Aero Twin, Inc. Master Drawing List No. TS-B206 dated November 7, 2001, or later FAA approved revision. This approval applies only to those Bell Models 206A and 206B rotorcraft which are fitted with BHTI high skid landing gear P/N 206-706-031, or other approved high skid landing gear configurations utilizing BHTI cross tube kit P/N 206- 050-107 or P/N 206-050-134 or a combination of forward cross tube BHTI P/N 206-050-288-101 or Aeronautical Accessories P/N 206-321-019 and aft cross tube BHTI P/N 206-050-288-107, or Aeronautical Accessories P/N 206-320- 024. Compatibility of this design change with previously approved modifications must be determined by the installer. The FAA approved Rotorcraft Flight Manual Supplement for Bell Model 206A Helicopter, Revision A,dated May 2 1978, or later FAA approved revision, or the FAA approved Rotorcraft Flight Manual Supplement for Bell Model 206B Helicopter, Revision B dated September 14, 1981, or later FAA approved revision, is a required part of this installation. If the holder agrees to permit another person to use this Certificate to alter the product, the holder shall give the other person written evidence of that permission. January 06, 1994; November 07, 2001 April 22, 1974; July 26, 1974; April 04, 1975; May 02, 1978; September 14, 1981; November 07, 2001; February 06, 2004; August 14, 2018 (Signature) August A. Asay Manager, Anchorage ACO Branch (Title) H2SW Bell Helicopter Textron 206A; 206B USA Airmobile, Inc. 4121 SW 47th Ave., Suite 1305 Fort Lauderdale, FL 33314 October 25, 1973 March 12, 1974 ## Every issue (1) - August 14, 2018: Amended, Current. [certificate](https://openairdocs.org/files/sha256/6a/be/6abec7c5c82d315a11607dd861023923969335b68343d8d9fc3a386ce7c07061) --- 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.