# STC SE00890LA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Nickson's Machine Shop Inc, United States
- Description: Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models.
- Status date: December 21, 1999
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1E11](https://openairdocs.org/tcds/1E11), [TCDS 1E14](https://openairdocs.org/tcds/1E14), [TCDS 1E4](https://openairdocs.org/tcds/1E4), [TCDS 1E7](https://openairdocs.org/tcds/1E7), [TCDS E-295](https://openairdocs.org/tcds/E-295), [TCDS E-304](https://openairdocs.org/tcds/E-304), [TCDS E11EA](https://openairdocs.org/tcds/E11EA), [TCDS E14EA](https://openairdocs.org/tcds/E14EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F45A656B1FDDCA6385256CC2005A73D4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE00890LA

## ADs that name it (0)

None.

## Approved models (11)

- Textron Lycoming AVCO Corporation HIO 540-A1A ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IGO-540 Series ([TCDS 1E11](https://openairdocs.org/tcds/1E11))
- Textron Lycoming AVCO Corporation IGSO-540-B1A ([TCDS 1E7](https://openairdocs.org/tcds/1E7))
- Textron Lycoming AVCO Corporation IGSO-540-B1C ([TCDS 1E7](https://openairdocs.org/tcds/1E7))
- Textron Lycoming AVCO Corporation IO-540 Series ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IVO-540 Series ([TCDS E11EA](https://openairdocs.org/tcds/E11EA))
- Textron Lycoming AVCO Corporation LTIO-540 Series ([TCDS E14EA](https://openairdocs.org/tcds/E14EA))
- Textron Lycoming AVCO Corporation O-540 Series ([TCDS E-295](https://openairdocs.org/tcds/E-295))
- Textron Lycoming AVCO Corporation TIVO-540-A2A ([TCDS 1E14](https://openairdocs.org/tcds/1E14))
- Textron Lycoming AVCO Corporation TVO-540-A1A ([TCDS 1E14](https://openairdocs.org/tcds/1E14))
- Textron Lycoming AVCO Corporation VO-540 Series ([TCDS E-304](https://openairdocs.org/tcds/E-304))

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