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Boeing 747-400 (747-422) · N128UA · United Airlines

Boeing 747-400 (747-422) illustration in United Airlines livery Illustrative image; it may differ from the actual aircraft.

Boeing 747-400 (747-422)

B747-30023Unknown
RegistrationUSN128UA
OperatorUnited Airlines
2operators
3incidents
0accidents
6logbook years
0photos

Boeing 747-400 (747-422) built in 2000 in Everett. Has operated for United Air Lines and Max Air.

NewNearly newYoungMatureAgingOld
Old · 26 years · ≈ 104,000 flight hours (approx.)
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.

Recent flights

Checking flight activity…

Technical data

ManufacturerBoeing
Engines4×
PropulsionJet
First flight2000
Built inEverett, Washington (EE. UU.)
Country of registrationEstados Unidos
OwnerUnited Airlines
MSN30023
VerificationPending check against the official civil register

The model · Boeing 747

Figures for the 747-400 variant, the most representative of the family · it is 67% the length of a football pitch

Length70.7 m232 ft
Wingspan64.4 m211 ft
Height19.4 m64 ft
Range13,446 km7,260 NMWith a typical passenger load
Cruise speed903 km/h488 ktMach 0.85
Service ceiling13,700 m44,948 ftIt flies above Everest (1.5 times its height)
Maximum take-off weight396,893 kg874,998 lb
Maximum payload217,879 kg480,340 lbIts 416 passengers with baggage would weigh about 41.6 t; the rest is fuel and cargo
Typical capacity416 passengersUp to 660 in a high-density layout
Endurance14 h 53 minAt cruise speed, non-stop

With its 13,446 km range, from San Francisco it could fly non-stop as far as:

DXBDubai13,020 kmDOHDoha12,994 kmBKKBangkok12,751 kmLOSLagos12,554 kmDELNew Delhi12,382 km
Beyond its rangeBOMMumbai13,511 km

The type first flew in 1969 (57 years ago) · About 1,574 units built · Production ended in 2023

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 747 Compare this aircraft

Airports

Where this aircraft has operated, by period · source BTS (EE. UU.)

2006–2016United Airlines · 6 years
Main base
SFOSan Francisco5 yearsORDChicago
Also flew to
IADWashingtonDENDenverHNLHonoluluLAXLos AngelesKOAKona
2018–2026Max Air airline base
Base
LOSLagos

Flight logbook

Year-by-year activity · source BTS (EE. UU.)

2016
United Airlines · 20 flights during the year · base San Francisco (SFO)
Main route of the year: San Francisco (SFO) → Chicago (ORD)
2011
United Airlines · 6 flights during the year · base San Francisco (SFO)
Main route of the year: San Francisco (SFO) → Chicago (ORD)
2010
United Airlines · 16 flights during the year · base San Francisco (SFO)
Main route of the year: San Francisco (SFO) → Chicago (ORD)
2008
United Airlines · 11 flights during the year · base San Francisco (SFO)
Main route of the year: Washington (IAD) → San Francisco (SFO)
2007
United Airlines · 8 flights during the year · base Chicago (ORD)
Main route of the year: Chicago (ORD) → San Francisco (SFO)
2006
United Airlines · 18 flights during the year · base San Francisco (SFO)
Main route of the year: San Francisco (SFO) → Chicago (ORD)
No reliable logbook records exist for this aircraft before 2006.

Aircraft chronology

2000
Built
Assembled by Boeing in Everett, Washington (USA).
May 1, 2000
Delivered to The Boeing Company
Delivered to The Boeing Company as N128UA.
May 12, 2000
Transferred to United Air Lines
Transferred to United Air Lines.
May 7, 2010
Incident at Sydney
On May 7, 2010, the Boeing 747-422 aircraft (registration N128UA), operated by United Airlines, was involved in an incident at Sydney (Australia). Source: the NTSB (United States).
What happened
On 7 May 2010, at 17:00 UTC, a Boeing 747-400 (registration N128UA) operated by United Airlines suffered a tail strike during take-off from Sydney airport, Australia. The impact of the rear fuselage against the runway caused minor damage to the aircraft. As a precaution, the aircraft returned to Sydney airport and landed with no injuries and no further incident. The investigation of the occurrence was taken up by the Australian Transport Safety Bureau (ATSB). Source: the NTSB (United States).
Source: NTSB
Mar 29, 2013
Incident
On March 29, 2013, the Boeing Boeing 747 422 aircraft (registration N128UA), operated by United Airlines, was involved in an incident. Source: United Airlines.
Source: United Airlines
Jul 15, 2015
Incident at Beijing
On July 15, 2015, the Boeing Boeing 747 422 aircraft (registration N128UA), operated by United Airlines, was involved in an incident at Beijing. Source: United Airlines.
Source: United Airlines
Aug 1, 2018
Transferred to Max Air
Transferred to Max Air.

Operators

2000-05-01
The Boeing Company
Registration N128UA
2000-05-12
United Air Lines
Registration N128UA
2018-08-01
Max Air
Registration 5N-ADM

Memories coming soon

The register of memories is not open on this aircraft yet. We are enabling it gradually, record by record, as we consolidate each aircraft's information.

Before opening it we check the aircraft identity — its registration, its serial number and its model — against the civil register of the authority that registered it, so that every memory belongs to the exact aircraft that lived it. When that work reaches this record, the register will open here.

Cite

To cite this page in academic work, an article or Wikipedia, choose the style and copy the reference. The access date is today.

This page was last updated on October 15, 2026

APA

Vuelopedia. (2026, October 15). Boeing 747-400 (747-422) · N128UA · United Airlines. Retrieved October 22, 2026, from https://vuelopedia.org/en/aircraft/B747-30023

MLA

“Boeing 747-400 (747-422) · N128UA · United Airlines.” Vuelopedia, Fundación Poderia, 15 Oct. 2026, vuelopedia.org/en/aircraft/B747-30023. Accessed 22 Oct. 2026.

Chicago

Vuelopedia. “Boeing 747-400 (747-422) · N128UA · United Airlines.” Fundación Poderia. Last modified October 15, 2026. https://vuelopedia.org/en/aircraft/B747-30023.

Harvard

Vuelopedia (2026) Boeing 747-400 (747-422) · N128UA · United Airlines. Available at: https://vuelopedia.org/en/aircraft/B747-30023 (Accessed: 22 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_b747_30023,
  author       = {{Vuelopedia}},
  title        = {{Boeing 747-400 (747-422) · N128UA · United Airlines}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-15},
  url          = {https://vuelopedia.org/en/aircraft/B747-30023},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/B747-30023}},
  urldate      = {2026-10-22},
  note         = {Accessed 2026-10-22}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/B747-30023 |title=Boeing 747-400 (747-422) · N128UA · United Airlines |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-15 |access-date=2026-10-22 |language=en}}