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N421SL

Built 2006 · registered US

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Representative photo of a Alexander Schleicher ASK 21Type photo — not this specific aircraftPhoto via Wikipedia: Schleicher ASK 21
This aircraft is a
Alexander Schleicher ASK 21
Full specs

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Performance specs

Performance
Range
300 nm
Cruise speed
75 kt
Max speed
151 kt
Service ceiling
—
Takeoff distance
250 m
Landing distance
—
Weights
MTOW
700 kg
Empty weight
—
Fuel capacity
26 L
Dimensions
Length
8.3 m
Wingspan
17.0 m
Height
1.5 m
Capacity
Seats
2
Max passengers
2
How common is this aircraft?
719Alexander Schleicher ASK 21 registered worldwide

Common. More common than 94% of the aircraft models we track.

More ASK 21 aircraft

Other ASK 21 airframes by tail number — same model as N421SL.

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What to do next

Registration history

(2)
  • N421SLUSACTIVE
    BARRETT JANE T
    2026 – present
  • N421SLUSACTIVE
    REGISTRATION PENDING
    —

Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal

N421SL — frequently asked
What aircraft model is N421SL?

N421SL is a Alexander Schleicher ASK 21, built in 2006. Sprinkle's record for N421SL covers its lineage, ownership history and specifications.

Is N421SL currently active?

Registry records list N421SL's status as Active, registered in United States — a Alexander Schleicher ASK 21.

What is the manufacturer serial number (MSN) of N421SL?

N421SL carries manufacturer serial number (MSN) 21808, the serial assigned to this Alexander Schleicher ASK 21 airframe when it was built.

What is the ICAO24 / Mode S code for N421SL?

N421SL's ICAO24 (Mode S) transponder code is A500F1 — the hex address the Mode S transponder on this Alexander Schleicher ASK 21 broadcasts.