# N521SL — SCHLEICHER ASK-21
> **2006** Glider · None · Owner: NFM ENTERPRISES LLC · WURTSBORO, NY
## Aircraft
- **N-Number:** N521SL
- **Serial Number:** 21809
- **Manufacturer:** SCHLEICHER
- **Model:** ASK-21
- **Year manufactured:** 2006
- **Type:** Glider
- **Engine type:** None (00 engines)
- **Seats:** 002
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A68E40`
## Owner
- **Name:** NFM ENTERPRISES LLC
- **Type of registrant:** LLC
- **Location:** WURTSBORO, NY 127905237, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2020-08-20
- **Last action:** 2023-03-10
- **Expiration:** 2027-08-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=521SL)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a68e40)
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