Aircraft registration
N4121D
Built 1957 · registered US
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View all 2 listings →Performance specs
Performance
- Range
- 570 nm
- Cruise speed
- 130 kt
- Max speed
- 145 kt
- Service ceiling
- 20,000 ft
Weights
- MTOW
- 1,500 kg
Dimensions
- Length
- 9.4 m
- Wingspan
- 11.9 m
- Height
- 2.7 m
Capacity
- Seats
- 4
- Max passengers
- 4
How common is this aircraft?
16Helio H-391B registered worldwide
Common. Rarer than 5% of the aircraft models we track.
More H-391B aircraft
Other H-391B airframes by tail number — same model as N4121D.
- N10CJ1958
- N4139D1958
- N4138D1958
- N4123D1957
- N4120D1957
- N565JS1956
- N888W1956
- N289LM1956
- N4119D1956
- N126201956
- N242B1954
- N4431U
- N173K
- N8750R
- N62HC
What to do next
Registration history
(1)- N4121DUSACTIVESESSIONS JOHN L2012 – 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.

