# STC SA00622LA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Horizon Instruments Inc, United States
- Description: Installation of an electronic digital engine tachometer horizon model P-1000.
- Status date: January 14, 2002
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A17SW](https://openairdocs.org/tcds/A17SW), [TCDS A9SW](https://openairdocs.org/tcds/A9SW), [TCDS 2A7](https://openairdocs.org/tcds/2A7), [TCDS A3SW](https://openairdocs.org/tcds/A3SW), [TCDS A4SW](https://openairdocs.org/tcds/A4SW), [TCDS A26WE](https://openairdocs.org/tcds/A26WE), [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3C4CAEDCC080823885256CC1007E009B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00622LA

## ADs that name it (0)

None.

## Approved models (24)

- Air Tractor Inc. AT-250 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))
- Air Tractor Inc. AT-300 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))
- Air Tractor Inc. AT-301 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))
- Air Tractor Inc. AT-401 ([TCDS A17SW](https://openairdocs.org/tcds/A17SW))
- Air Tractor Inc. AT-401A ([TCDS A17SW](https://openairdocs.org/tcds/A17SW))
- Air Tractor Inc. AT-401B ([TCDS A17SW](https://openairdocs.org/tcds/A17SW))
- Air Tractor Inc. AT-501 ([TCDS A17SW](https://openairdocs.org/tcds/A17SW))
- Allied Ag Cat Productions Inc. G-164 ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164A ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164B ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164C ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Ayres Corporation 600 S-2D ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))
- Ayres Corporation 600 S2D ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Ayres Corporation 600-S2C ([TCDS 2A7](https://openairdocs.org/tcds/2A7))
- Ayres Corporation S-2B ([TCDS 2A7](https://openairdocs.org/tcds/2A7))
- Ayres Corporation S-2C ([TCDS 2A7](https://openairdocs.org/tcds/2A7))
- Ayres Corporation S2R ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))
- Ayres Corporation S2R ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Ayres Corporation S2R-R1340 ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))
- Ayres Corporation S2R-R1340 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Ayres Corporation S2R-R1820 ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Ayres Corporation S2R-R3S ([TCDS A3SW](https://openairdocs.org/tcds/A3SW))
- Ayres Corporation S2R-R3S ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))
- Weatherly Aviation Company Inc. 620 ([TCDS A26WE](https://openairdocs.org/tcds/A26WE))

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