# N5663 — SIKORSKY S-55B
> **1959** Rotorcraft · Turbo-Shaft · Owner: SIERRA AERONAUTICS LLC · FRANKLIN, KY
## Aircraft
- **N-Number:** N5663
- **Serial Number:** 55-1267
- **Manufacturer:** SIKORSKY
- **Model:** S-55B
- **Year manufactured:** 1959
- **Type:** Rotorcraft
- **Engine type:** Turbo-Shaft (01 engines)
- **Seats:** 012
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A73FF5`
## Owner
- **Name:** SIERRA AERONAUTICS LLC
- **Type of registrant:** LLC
- **Location:** FRANKLIN, KY 421348569, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2021-10-07
- **Last action:** 2023-06-16
- **Expiration:** 2028-10-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5663)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a73ff5)
---
*AI Analytics · CC0 1.0*