# N4321R — ROBINSON HELICOPTER CO R66
> **—** Rotorcraft · Turbo-Shaft · Owner: PIONEER AVIATION LLC · CROSSETT, AR
## Aircraft
- **N-Number:** N4321R
- **Serial Number:** 0875
- **Manufacturer:** ROBINSON HELICOPTER CO
- **Model:** R66
- **Year manufactured:** —
- **Type:** Rotorcraft
- **Engine type:** Turbo-Shaft (01 engines)
- **Seats:** 005
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A52D17`
## Owner
- **Name:** PIONEER AVIATION LLC
- **Type of registrant:** LLC
- **Location:** CROSSETT, AR 716351135, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2025-10-15
- **Last action:** 2025-10-15
- **Expiration:** 2032-10-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4321R)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a52d17)
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