# STC SP00922CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: SMR Technologies, United States
- Description: Installation of various SMR Technologies electrical propeller de-icer models. (RHFR34C6( ) 53/L106FA-0) (HC-B4T N-5ML/LT10574)
- Status date: July 25, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A56EU](https://openairdocs.org/tcds/A56EU), [TCDS A16EU](https://openairdocs.org/tcds/A16EU), [TCDS P40EA](https://openairdocs.org/tcds/P40EA), [TCDS A41NM](https://openairdocs.org/tcds/A41NM), [TCDS P3NE](https://openairdocs.org/tcds/P3NE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/60EC29E2A90C3A3A85256CC2006223F1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SP00922CH

## ADs that name it (0)

None.

## Approved models (10)

- British Aerospace (Scotland) Jetstream Model 3201 ([TCDS A56EU](https://openairdocs.org/tcds/A56EU))
- Dornier-Werke G.m.b.H. Do 228-100 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier-Werke G.m.b.H. Do 228-101 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier-Werke G.m.b.H. Do 228-200 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier-Werke G.m.b.H. Do 228-201 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier-Werke G.m.b.H. Do 228-202 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier-Werke G.m.b.H. Do 228-212 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Hartzell Propeller Inc. HC-B4T ([TCDS P40EA](https://openairdocs.org/tcds/P40EA))
- Jetstream Aircraft Limited Jetstream Model 4101 ([TCDS A41NM](https://openairdocs.org/tcds/A41NM))
- McCauley Propeller Systems 4HFR34C6( ) ([TCDS P3NE](https://openairdocs.org/tcds/P3NE))

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