Boeing 737-400F

06 Feb 2026 · © TonyLTX

Photo depicts a dramatic night de-icing, emphasizing the essential role of cargo operations in all weather and at all hours.

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Aircraft

737-400F B737

Swiftair standard livery

Airline

Swiftair

SWT / WT

Manufacturer

Boeing

Insights

Aviation History

The Boeing 737-400F is a freighter adaptation of the popular 737-400, part of the 'Classic' 737 series- widely used for regional and short-haul cargo operations.

Fleet Rarity

Becoming continually more rare as 737NG freighters arrive, yet still a backbone of various European cargo carriers.

Record Flights

Typically operated on medium-range European night-freight routes - not especially known for record flights but highly active in express cargo networks.

Safety & Events

Some 737-400Fs have seen service interruptions or emergency landings, but the type overall has a solid safety record in the cargo sector.

Future Outlook

Gradually being replaced by newer converted freighters (e.g., 737-800BCF), but many remain active as of 2024.

Specifications

CFM56-3C1

Engine

28.88 meters

Wingspan

36.45 meters

Length

3,850 km

Range

780 km/h

Speed

19,782 kg cargo

Capacity

68,040 kg

MTOW

11.13 meters

Height

23,500 lbf (104 kN)

Thrust

Stage 3 ICAO, ~89–99 dB (depending on power)

Noise

Registration not visible, so variant is identified through context and livery. Some technical data may represent the general 737-400F.