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Boeing 377-10-34 Stratocruiser · N31230 · United Air Lines

Boeing 377-10-34 Stratocruiser illustration in United Air Lines livery Illustrative image; it may differ from the actual aircraft.

Boeing 377-10-34 Stratocruiser

B377-15970Written off
RegistrationUSN31230
OperatorUnited Air Lines
1operators
0incidents
0accidents
0logbook years
0photos

Boeing 377-10-34 Stratocruiser. Operated for United Air Lines.

Vuelopedia is a work in progress: it currently holds about 30% of the information we expect to have by the third quarter of 2027. Although we use only official, highly reliable sources, some aircraft data and history may still contain errors or inaccuracies. We work hard to clear every anomaly from the records using specialized verification tools.

Technical data

ManufacturerBoeing
Country of registrationEstados Unidos
MSN15970
VerificationPending check against the official civil register

The model · Boeing 377 Stratocruiser

Figures for the 377-10-26 variant, the most representative of the family

Length33.6 m110 ft
Wingspan43.1 m141 ft
Height11.7 m38 ft
Range6,759 km3,650 NMWith a typical passenger load
Cruise speed484 km/h261 ktMach 0.46
Service ceiling9,754 m32,001 ftIt flies above Everest (1.1 times its height)
Maximum take-off weight67,132 kg148,001 lb
Maximum payload29,257 kg64,501 lbIts 61 passengers with baggage would weigh about 6.1 t; the rest is fuel and cargo
Typical capacity61 passengersUp to 86 in a high-density layout
Endurance13 h 58 minAt cruise speed, non-stop

The type first flew in 1947 (79 years ago) · About 56 units built · Production ended in 1950

Figures for the type, not for this particular aircraft: each variant and each configuration changes something. They are shown in both systems used in aviation.

The full story of the Boeing 377 Stratocruiser Compare this aircraft

Flight logbook

Under research

Aircraft chronology

Jan 1, 1950
Delivered to United Air Lines
Delivered to United Air Lines as N31230.

Operators

1950-01-01
United Air Lines
Registration N31230

In memoriam

This aircraft suffered a serious accident or hull loss. Out of respect for what happened and for the people who may have been affected, this record does not enable the register of memories.

Cite

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This page was last updated on October 10, 2026

APA

Vuelopedia. (2026, October 10). Boeing 377-10-34 Stratocruiser · N31230 · United Air Lines. Retrieved October 16, 2026, from https://vuelopedia.org/en/aircraft/B377-15970

MLA

“Boeing 377-10-34 Stratocruiser · N31230 · United Air Lines.” Vuelopedia, Fundación Poderia, 10 Oct. 2026, vuelopedia.org/en/aircraft/B377-15970. Accessed 16 Oct. 2026.

Chicago

Vuelopedia. “Boeing 377-10-34 Stratocruiser · N31230 · United Air Lines.” Fundación Poderia. Last modified October 10, 2026. https://vuelopedia.org/en/aircraft/B377-15970.

Harvard

Vuelopedia (2026) Boeing 377-10-34 Stratocruiser · N31230 · United Air Lines. Available at: https://vuelopedia.org/en/aircraft/B377-15970 (Accessed: 16 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_b377_15970,
  author       = {{Vuelopedia}},
  title        = {{Boeing 377-10-34 Stratocruiser · N31230 · United Air Lines}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-10},
  url          = {https://vuelopedia.org/en/aircraft/B377-15970},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/B377-15970}},
  urldate      = {2026-10-16},
  note         = {Accessed 2026-10-16}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/B377-15970 |title=Boeing 377-10-34 Stratocruiser · N31230 · United Air Lines |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-10 |access-date=2026-10-16 |language=en}}