# STC SA02743AT

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: NOAA Aircraft Operations Center, United States
- Description: Installation of an Air Chemistry Modification for aircraft serial number 740 in accordance with RT Aerospace Engineering Report R-RTDHC65300.100 dated 6/19/95 No Change titled Drawing List & Structural Substantiation; Multiple Equipment Installations, N.O.A.A DeHavilland Twin Otter DHC-6 N48RF or later FAA-Approved revision.
- Applied: October 31, 2002
- Status date: October 14, 2003
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8AC047BE4920263986256DE500519EC1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02743AT

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier Inc. DHC-6-300 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))

---
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.