# N16643 — HILLER UH-12B
> **1952** Rotorcraft · Reciprocating · Owner: KOCH KASEY E · BIGFORK, MT
## Aircraft
- **N-Number:** N16643
- **Serial Number:** 346
- **Manufacturer:** HILLER
- **Model:** UH-12B
- **Year manufactured:** 1952
- **Type:** Rotorcraft
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 004
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A10AF8`
## Owner
- **Name:** KOCH KASEY E
- **Type of registrant:** Individual
- **Location:** BIGFORK, MT 599116524, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2024-07-16
- **Last action:** 2024-07-16
- **Expiration:** 2031-07-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=16643)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a10af8)
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