Aircraft Type
Boeing 737-400 “737 Classic”
The Boeing 737-400 is a mid-range narrowbody aircraft that was a key member of the 737 Classic series, bridging the gap between short and medium-haul commercial passenger routes during the late 1980s and 1990s.
IATA734ICAOB734ManufacturerBoeingScore5.50/10Range5,000 kmStatusIn ProductionOperators30
Represented a significant improvement in fuel efficiency and passenger comfort over earlier 737 models, helping airlines optimize their short to medium-range route networks
The 737-400 was the longest variant of the 737 Classic series, offering airlines increased passenger capacity and range compared to its shorter siblings
Cabin Environment
How the Boeing 737-400 affects jetlag recovery
Technical Specifications
Dimensions
36.45 m
Length
35.79 m
Wingspan
12.57 m
Height
Performance
5,000 km
Range
850 km/h
Cruise Speed
2× CFM56-3 turbofan
Engines
Boeing Family
Related aircraft variants
How It Compares
vs. Airbus A320
✓Slightly longer range (5000 km vs 4500 km)
✗Newer design with more modern avionics and potentially better fuel efficiency
vs. McDonnell Douglas MD-80
✓More modern cabin design and potentially better passenger comfort
✗Slightly lower seat capacity compared to some MD-80 variants
vs. Airbus A321
✓More compact size suitable for shorter routes
✗Generally lower passenger capacity and shorter range compared to A321