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N121SK

Built 1979 · registered US

Free alerts when N121SK's registration or status changes, or the M20 market moves.

Representative photo of a Mooney M20Type photo — not this specific aircraftPhoto via Wikipedia: Mooney M20
This aircraft is a
Mooney M20
Full specs

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Performance specs

Performance
Range
1,050 nm
Cruise speed
127 kt
Max speed
160 kt
Service ceiling
19,000 ft
Takeoff distance
450 m
Landing distance
540 m
Weights
MTOW
1,200 kg
Empty weight
—
Fuel capacity
230 L
Dimensions
Length
7.7 m
Wingspan
11.0 m
Height
2.5 m
Capacity
Seats
4
Max passengers
4

Flight activity

(2 tracking legs recorded)
Last 30 days
0
Last 90 days
0
Last seen
10 May 2026
Tracked since
8 May 2026

Frequent routes: KO60 → CA38 (1) · KO60 → KTRK (1)

  • KO60 → CA3810 May 2026 · 0h 45m
  • KO60 → KTRK8 May 2026 · 0h 45m

From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.

How common is this aircraft?
7,308Mooney M20 registered worldwide

Common. One of the most common aircraft types we track.

More M20 aircraft

Other M20 airframes by tail number — same model as N121SK.

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What to do next

Registration history

(1)
  • N121SKUSACTIVE
    REGE ROBERT E
    2014 – present

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

N121SK — frequently asked
What aircraft model is N121SK?

N121SK is a Mooney M20, built in 1979. Sprinkle's record for N121SK covers its lineage, ownership history and specifications.

Is N121SK currently active?

Registry records list N121SK's status as Active, registered in United States — a Mooney M20.

What is the manufacturer serial number (MSN) of N121SK?

N121SK carries manufacturer serial number (MSN) 24-0901, the serial assigned to this Mooney M20 airframe when it was built.

What is the ICAO24 / Mode S code for N121SK?

N121SK's ICAO24 (Mode S) transponder code is A05903 — the hex address the Mode S transponder on this Mooney M20 broadcasts.