# N644SP — ROBINSON HELICOPTER COMPANY R44 II
> **—** Rotorcraft · Reciprocating · Owner: SOUTHERN SKY HELICOPTERS LLC · EASLEY, SC
## Aircraft
- **N-Number:** N644SP
- **Serial Number:** 13661
- **Manufacturer:** ROBINSON HELICOPTER COMPANY
- **Model:** R44 II
- **Year manufactured:** —
- **Type:** Rotorcraft
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 004
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A875B5`
## Owner
- **Name:** SOUTHERN SKY HELICOPTERS LLC
- **Type of registrant:** LLC
- **Location:** EASLEY, SC 296429573, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2025-11-12
- **Last action:** 2025-11-12
- **Expiration:** 2032-11-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=644SP)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a875b5)
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