# N21SX — LUEBKE RALPH C STD CLS AMER SPIRIT
> **1993** Glider · None · Owner: CANTWELL PAUL M · MOMENCE, IL
## Aircraft
- **N-Number:** N21SX
- **Serial Number:** 11
- **Manufacturer:** LUEBKE RALPH C
- **Model:** STD CLS AMER SPIRIT
- **Year manufactured:** 1993
- **Type:** Glider
- **Engine type:** None (00 engines)
- **Seats:** 001
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A1B8CF`
## Owner
- **Name:** CANTWELL PAUL M
- **Type of registrant:** Individual
- **Location:** MOMENCE, IL 609543231, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2018-09-04
- **Last action:** 2023-06-10
- **Expiration:** 2028-09-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21SX)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a1b8cf)
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