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Registered aircraft · FAA record as of September 25, 2026
N21SX

Luebke Ralph C STD CLS AMER SPIRIT

Valid Illinois

N21SX is a Luebke Ralph C STD CLS AMER SPIRIT, a glider with no engine, built in 1993. It has 1 seat. It is registered to an individual in Momence, Illinois. The registration is valid: it was issued on September 4, 2018 and expires on September 30, 2028. It holds an experimental airworthiness certificate for amateur built, dated April 16, 1999.

Aircraft

Maker
Luebke Ralph C
Model
STD CLS AMER SPIRIT
Serial number
11
Type
Glider
Power
None · None NONE
Seats
1
Year built
1993
Transponder code
A1B8CF (octal 50334317)

Registration

Status
Valid registration
Certificate issued
September 4, 2018
Expires
September 30, 2028
Last FAA action
June 10, 2023
Airworthiness
Experimental · Amateur built · April 16, 1999
FAA region
Great Lakes
FAA record id
00694652

Owner as the FAA publishes it

Name
Cantwell Paul M
Type
Individual
Address
12356 E Metcalf Ave
Momence, IL 60954-3231

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data