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ASK 21 Mi — Alexander Schleicher ASK 21 Mi

Alexander Schleicher ASK 21 Mi
GLID
Photo via Wikipedia: Schleicher ASK 21
Year
Owner
Alexander Schleicher
Last seen
MTOW
700 kg
Range
300 nm
Seats
2
ASK 21 Mihover
Alexander Schleicher · ASK 21 Mi
Model overview

Fleet & certification

Built
28
Active
14
Origin
DE
Variants

Per-variant specifications

VariantEngineMTOWRangeCruisePax
AS21
AS21
700 kg300 nm75 kt2
GLID
GLID
Same family

Other models in this family

Safety & ops history

Where to look next

Detailed safety & ops history coming soon — view this model's FAA Airworthiness Directives at FAA.gov.
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Alexander Schleicher ASK 21 Mimarket & fleet intelligence

Registry, flight-tracking and market data on the Alexander Schleicher ASK 21 Mi fleet — updated daily.

Fleet age

12 yearsmedian age

Of the 16 registered Alexander Schleicher ASK 21 Mi with a known build year (57% of the 28 we track), the median age is 12 years.

Registration activity

1changed registration in 12 months

1 of the 28 registered Alexander Schleicher ASK 21 Mi we track changed registration in the last 12 months (4% of the fleet), across 1 registration event. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.

Fleet activity — last 90 days
Aircraft seen flying
1
Tracked flights
364
Tracked flight hours
1,220
Share of fleet flying
4%

1 Alexander Schleicher ASK 21 Mi were tracked flying in the last 90 days (4% of the registered fleet), across 364 flights. Sprinkle flight tracking began May 2026; coverage is ADS-B-derived and not exhaustive.