# STC SE5222NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Engine Technologies Inc, United States
- Description: Modification to teledyne Continental engine for the installation of turbonormalizing system.
- Status date: October 16, 1998
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E3SO](https://openairdocs.org/tcds/E3SO), [TCDS E5CE](https://openairdocs.org/tcds/E5CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/11A96FEA400DAE9C85256CC2005A75A9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE5222NM

## ADs that name it (2)

- [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023. Cited in the text
- [AD 2001-08-08](https://openairdocs.org/ad/2001-08-08): V-band Exhaust Clamp · Modified Teledyne Continental engine equipped (STC SA5223NM or 2 others). Effective Jun 7, 2001. Named in the applicability

## Approved models (4)

- Teledyne Continental Motors IO-520-B ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-BA ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-BB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-550-B ([TCDS E3SO](https://openairdocs.org/tcds/E3SO))

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