N421EF
2013 Schleicher ASK-21
N421EF on the FAA register
Timeline
- 2027-10-31Registration expires (renewal due).
- 2014-10-23Certificate of registration issued as N421EF.
- 2013-08-29Airworthiness date on the current FAA record (standard category (utility)).
About N421EF
N421EF is a 2013 Schleicher ASK-21 (FAA model ASK 21), serial number 21905. The FAA register lists Soaring Society of Boulder as the registrant in Boulder, Colorado. The current certificate of registration was issued on October 23, 2014 and expires on October 31, 2027.
The FAA aircraft reference file describes the type as a glider and 2 seats. Its airworthiness certificate is standard category (utility), dated August 29, 2013.
No NTSB accident or incident reports and no FAA preliminary notices are on file for N421EF.
Accident & incident history
✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N421EF.
Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records
More Schleicher ASK-21 aircraft
All 26 Schleicher ASK-21 registrations →Other aircraft registered in Colorado
All 7,455 aircraft registered in Colorado →Other gliders on the register
Alexander Schleicher Gmbh & Co models on the register
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Browse: Aircraft registered in Colorado· Registry by state· FAA registry stats
Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.
