# STC SB03447CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gary M. Prentice, United States
- Description: Replace the Lindstrand Balloons USA fabric with Westmark Corp. 1.9 oz fabric (with either polyurethane or silicone coating) for repairs on this balloon.
- Applied: April 14, 2015
- Status date: April 29, 2015
- Product: Aircraft, Balloon
- Certification basis: Part 21, Part 31
- Data sheets: [TCDS B00010CH](https://openairdocs.org/tcds/B00010CH)
- Certificate PDF: https://openairdocs.org/files/sha256/4d/17/4d17a649a9bd102b30e779b716249e4c01f96a1cb03277e24dd13f48aa2a1389
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/947D4D7C5846EF1286257E380066BB44.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SB03447CH

## ADs that name it (0)

None.

## Approved models (1)

- Lindstrand Balloons USA Inc 90A ([TCDS B00010CH](https://openairdocs.org/tcds/B00010CH))

## 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. B00010CH for complete certification basis)

Description of Type Design Change: Replace the Lindstrand Balloons USA fabric with Westmark Corp. 1.9 oz fabric (with either polyurethane or silicone coating) for repairs on this balloon.

1. After fabric replacement, the envelope must be weighted and the weight recorded in the aircraft records. 2. You cannot use descriptive data about this design change to duplicate other products. This approval is limited to only the installation made in Lindstrand Balloons USA Model 90A, Serial No. 5152 This STC does not permit manufacturing of parts for multiple installations.

Gary M. Prentice 1742 Silver Tree Lane Escondido, CA 92026-7845 B00010CH Make : Lindstrand Balloons USA Model : 90A, S/N 5152 Date of application : April 14, 2015

Date of issuance : April 29, 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 29, 2015: Issued, Current. [certificate](https://openairdocs.org/files/sha256/4d/17/4d17a649a9bd102b30e779b716249e4c01f96a1cb03277e24dd13f48aa2a1389)

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