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N421EF
ALEXANDER SCHLEICHER GMBH & CO ASK 21
BOULDER, CO
Valid
Mfr Year: 2013
Own This Aircraft? Claim & List For Sale
Registrant
SOARING SOCIETY OF BOULDER
Registration Exp
Oct 31, 2027
Airworthiness Date
Aug 29, 2013
Cert Issue Date
Oct 23, 2014
Seats
2
Engines
0
Cruise Speed
0 kts
Max Weight
CLASS 1
Engine Type
0
Aircraft Type
Glider
Fractional
No
Last Activity
Mar 24, 2023

🛠️ Airworthiness Directive Exposure & Fleet Context

This ALEXANDER SCHLEICHER GMBH & CO ASK 21 airframe/engine combination has 12 current type-applicable Airworthiness Directives (12 airframe, 0 engine) and 0 historical. AD applicability is type-based — compliance status for N421EF must be verified against the aircraft maintenance logbooks.

Search FAA DRS for applicable ADs →

N421EF is one of 28 ALEXANDER SCHLEICHER GMBH & CO ASK 21 aircraft on the U.S. registry · fleet median year 2013.

⚠️ NTSB Accident & Incident Records

No NTSB accident or incident records found for N421EF in the NTSB aviation accident database.

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External Research Links

Airworthiness Directives (ADs)
Search FAA DRS for ADs — filter by Model: ASK 21
Search FAA DRS →
Title & Lien History
Bills of sale, liens & security agreements — search N421EF (free FAA account)
Open FAA CARES →
NTSB Full Database
Deep search NTSB CAROL — enter N421EF in Registration Number
Open NTSB CAROL →
Aviation Weather
METAR, TAF, winds aloft & radar — official FAA weather service
Check Weather →
FAA Registry (Official)
Official FAA record for N421EF — authoritative government source
Open FAA Registry →

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Data sourced from FAA Aircraft Registry · Updated daily · Look up another N-Number