# STC SL1748SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Head Balloons Inc, United States
- Description: Installation of Balloon Works sizes3.9, 4.0, 4.5, 4.9, and 5.0 baskets.
- Applied: March 13, 1984
- Status date: March 16, 1990
- Product: Aircraft, Balloon
- Certification basis: Part 31
- Data sheets: [TCDS A29SO](https://openairdocs.org/tcds/A29SO)
- Certificate PDF: https://openairdocs.org/files/sha256/43/ce/43ce2ad14dbc84f23b58399968db3fba0b39427301ee9ecafdc627d756feb618
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184397546520250710205510.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SL1748SO

## ADs that name it (0)

None.

## Approved models (4)

- Head Balloons Inc. AX7-77 ([TCDS A29SO](https://openairdocs.org/tcds/A29SO))
- Head Balloons Inc. AX8-105 ([TCDS A29SO](https://openairdocs.org/tcds/A29SO))
- Head Balloons Inc. AX8-88 ([TCDS A29SO](https://openairdocs.org/tcds/A29SO))
- Head Balloons Inc. AX9-118 ([TCDS A29SO](https://openairdocs.org/tcds/A29SO))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- March 16, 1990: Amended, Current. [certificate](https://openairdocs.org/files/sha256/43/ce/43ce2ad14dbc84f23b58399968db3fba0b39427301ee9ecafdc627d756feb618)

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