Gliders, Balloons & Other/ALEXANDER SCHLEICHER GMBH & CO/ASK 21/N421EF

N421EF2013 ALEXANDER SCHLEICHER GMBH & CO ASK 21

Registry aircraft record

FAA Registry Record
N-NumberN421EF
Serial number21905
ManufacturerALEXANDER SCHLEICHER GMBH & CO
ModelASK 21
Year built2013
RegistrantSOARING SOCIETY OF BOULDER
Registry statusV
Last action2023-03-24
Source: FAA (United States) · updated Aug 31, 2026
One of 63 active ALEXANDER SCHLEICHER GMBH & CO ASK 21s across the 7 registries BuyJet tracks. Registry record last updated Aug 31, 2026.
ALEXANDER SCHLEICHER GMBH & CO ASK 21 model hub

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About N421EF

What aircraft is N421EF?

N421EF is a 2013 ALEXANDER SCHLEICHER GMBH & CO ASK 21 registered with the FAA (United States).

Is N421EF currently registered?

Yes — the FAA (United States) lists N421EF as registered (registry data updated 2026-08-31).

How many seats and engines does ALEXANDER SCHLEICHER GMBH & CO ASK 21 have?

The ALEXANDER SCHLEICHER GMBH & CO ASK 21 has 2 seats and 0 engines.

ALEXANDER SCHLEICHER GMBH & CO ASK 21— fleet data & listingsAircraft registered in United States for sale