# STC SB04137CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Michael Bauwens, United States
- Description: Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1191 and UM4-1192.  The Ultramagic fuel tanks
- Applied: August 17, 2016
- Status date: September 14, 2016
- Product: Aircraft, Balloon
- Certification basis: Part 21, Part 31
- Data sheets: [TCDS B04CE](https://openairdocs.org/tcds/B04CE)
- Certificate PDF: https://openairdocs.org/files/sha256/25/a1/25a1e3965cf29943b223e52965c5d4146588f4a96e8deb1ca219b0bcb9adf699
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C54E6D6012D5BE9F862580330054E5E4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SB04137CH

## ADs that name it (0)

None.

## Approved models (1)

- Balony Kubicek spol s.r.o. BB30XR ([TCDS B04CE](https://openairdocs.org/tcds/B04CE))

## 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. B04CE for complete certification basis)

Description of Type Design Change: Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1191 and UM4-1192. The Ultramagic fuel tanks are to be installed in accordance with the FAA Approved Balloon Flight Manual Supplement data September 13, 2016.

1. FAA Approved Balloon Flight Manual Supplement dated September 13, 2016, is required. 2. This modified balloon is to be maintained in accordance with the latest revision of the Instructions for Continued Airworthiness (ICA) from Balony Kubicek (Envelope, Basket, Burner) and Ultramagic (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 Balony Kubicek Model BB30XR, Serial No. 983. This STC does not permit manufacturing of parts for multiple installations.

Michael G Bauwens 7749 Whileaway Rd W Park City, UT 84098 B04CE Make : Balony Kubicek Model : BB30XR, S/N 983 Date of application : August 17, 2016

Date of issuance : September 14, 2016

(Signature) Karol Mordasiewicz Manger, 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)

- September 14, 2016: Issued, Current. [certificate](https://openairdocs.org/files/sha256/25/a1/25a1e3965cf29943b223e52965c5d4146588f4a96e8deb1ca219b0bcb9adf699)

---
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.