# STC SP00543SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Flight Structures Inc, United States
- Description: Installation of SMR Technologies electrothermal propeller deicer as a replacement for McCauley or Safeway electrothermal deicer on specific propellers (See STC).
- Status date: June 4, 1998
- Product: Propeller
- Certification basis: Part 21
- Data sheets: [TCDS P3NE](https://openairdocs.org/tcds/P3NE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C0238D4C9788F5C085256CC2006223E8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SP00543SE

## ADs that name it (0)

None.

## Approved models (3)

- McCauley Propeller Systems 4HFR34C6( ) ([TCDS P3NE](https://openairdocs.org/tcds/P3NE))
- McCauley Propeller Systems 4HFR34C7( ) ([TCDS P3NE](https://openairdocs.org/tcds/P3NE))
- McCauley Propeller Systems 4JFR34C7( ) ([TCDS P3NE](https://openairdocs.org/tcds/P3NE))

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