# STC SH2572NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: North American Heli Svc Inc, United States
- Description: Increased takeoff and landing density altitude limit.
- Status date: January 15, 1986
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 1H11](https://openairdocs.org/tcds/1H11)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F49BE96A0C09AC8685256CC2005C3018.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2572NM

## ADs that name it (0)

None.

## Approved models (6)

- Sikorsky Aircraft Corporation S-58BT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58DT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58ET ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58FT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58HT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58JT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))

---
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.
