# STC SB03446CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Kenneth Lehr, United States
- Description: Replace the Aerostar International Basket/Burner system with the Lindstrand Balloons Ltd Basket, Part Number BA-007-A-001, S/N 1157; the Lindstrand Balloons Ltd Burner, Part Number BU-008-A-002, S/N BU1242.  Replace the Aerostar International fuel tanks with the Lindstrand Balloons Ltd Fuel Tanks, Part Number CY-030-A-001, S/Ns 1409 and 1439; and Cameron Balloons Fuel Tank, Part Number CB250, S/N 24734J.
- Applied: April 14, 2015
- Status date: April 24, 2015
- Product: Aircraft, Balloon
- Certification basis: Part 21, Part 31
- Data sheets: [TCDS A15CE](https://openairdocs.org/tcds/A15CE)
- Certificate PDF: https://openairdocs.org/files/sha256/ff/7d/ff7d48285cdd8c99514af7c2a8d76715c81d9db68ee3518035c484d6e8a685e4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B19CBF3076DB758086257E3800666E0A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SB03446CH

## ADs that name it (0)

None.

## Approved models (1)

- Aerostar International S-57H ([TCDS A15CE](https://openairdocs.org/tcds/A15CE))

## 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.

Part 31 of the Federal Aviation Regulations. (See Type Certificate Data Sheet No. A15CE for complete certification basis)

Description of Type Design Change: Replace the Aerostar International Basket/Burner system with the Lindstrand Balloons Ltd Basket, Part Number BA-007-A-001, S/N 1157; the Lindstrand Balloons Ltd Burner, Part Number BU-008-A-002, S/N BU1242.

Replace the Aerostar International fuel tanks with the Lindstrand Balloons Ltd Fuel Tanks, Part Number CY-030-A-001, S/Ns 1409 and 1439; and Cameron Balloons Fuel Tank, Part Number CB250, S/N 24734J. The Lindstrand Balloons Ltd Basket/Burner are installed in the same manner as the Aerostar International Basket/Burner.

1. FAA Approved Balloon Flight Manual Supplement dated April 23, 2015, is required. 2. This modified balloon is to be maintained in accordance with the latest revision of the Instructions for Continued Airworthiness (ICA) from Aerostar International (Envelope) and Lindstrand Balloons Ltd (Basket, Burner, and Fuel Tanks) 3. You cannot use descriptive data about this design change to duplicate other products. This approval is limited to only the installation made in Aerostar International Model S-57H, Serial No. S57H-3008. This STC does not permit manufacturing of parts for multiple installations.

Kenneth Lehr 8405 Grinnell Way Sacramento, CA 95826 A15CE Make : Aerostar International, Inc Model : S-57H, S/N S57H-3008 Date of application : April 14, 2015

Date of issuance : April 24, 2015

(Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

(Title)

Original signed by:

Gregory J. Michalik

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number

## Every issue (1)

- April 24, 2015: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ff/7d/ff7d48285cdd8c99514af7c2a8d76715c81d9db68ee3518035c484d6e8a685e4)

---
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.