# STC SA02742AT

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: NOAA Aircraft Operations Center, United States
- Description: Installation of a Scientific Electrical System in accordance with  Master Drawing List No. MDL-57-MSES-01, Revision O, dated October 31, 2002 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/1E46D4471AB6DE8886256DE5004E47E4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02742AT

## ADs that name it (0)

None.

## Approved models (1)

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

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