# STC SA724EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Hartman Systems Co, United States
- Description: Installation of vertical scale full quantity indicators Model VS-2PE (639- ) as replacement for original round dial indicators.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B46E928CC912BBD4862570D200603E46.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA724EA

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-1159 ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

---
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.
