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N4123D

Built 1957 · registered US

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Performance specs

Performance
Range
570 nm
Cruise speed
130 kt
Max speed
145 kt
Service ceiling
20,000 ft
Takeoff distance
—
Landing distance
—
Weights
MTOW
1,500 kg
Empty weight
—
Fuel capacity
—
Dimensions
Length
9.4 m
Wingspan
11.9 m
Height
2.7 m
Capacity
Seats
4
Max passengers
4
How common is this aircraft?
23Helio 391 registered worldwide

Common. More common than 51% of the aircraft models we track.

More 391 aircraft

Other 391 airframes by tail number — same model as N4123D.

See all 23 registered 391
What to do next

Registration history

(1)
  • N4123DUSACTIVE
    THUN KARL J
    1978 – 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

N4123D — frequently asked
What aircraft model is N4123D?

N4123D is a Helio 391, built in 1957. Sprinkle's record for N4123D covers its lineage, ownership history and specifications.

Is N4123D currently active?

Registry records list N4123D's status as Active, registered in United States — a Helio 391.

What is the manufacturer serial number (MSN) of N4123D?

N4123D carries manufacturer serial number (MSN) 042, the serial assigned to this Helio 391 airframe when it was built.

What is the ICAO24 / Mode S code for N4123D?

N4123D's ICAO24 (Mode S) transponder code is A4DE53 — the hex address the Mode S transponder on this Helio 391 broadcasts.