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Country Flag

Boeing

737-400

NARROW-BODY


Family:
Boeing 737 Classic
Type:
Turbofan airplane

Origin:
Country FlagUnited States
Manufacturer:
1981–2000

Related:
Boeing 737-300
Boeing 737-500

Updated March 8, 2024
Aircraft picture
737-400 - Alan Wilson. CC-BY-SA-2.0

General characteristics (20)

  • Role
    Narrow-body airliner
  • Crew
    2 pilots
  • Wing
    Fixed wing
  • Wing
    Low wing
  • Engine count
    2
  • ICAO type designator
    B734
  • Body
    Narrow
  • Tail
    Regular tail, mid set
  • WTC
    M
  • APC
    C
  • Type code
    L2J
  • RFF Category
    6
  • Landing gear
    Tricycle retractable
  • Wing position
    Low wing
  • Engine position
    Underwing mounted
  • Aerodrome ref. code
    4C
  • ADG
    III
  • TDG
    3
  • SRS
    III
  • LAHSO
    8

Structural data (14)

  • Length
    36.45 m (119.59 ft)
  • Height
    4.01 m (13.16 ft)
  • Height (overall)
    11.13 m (36.52 ft)
  • Height (cabin)
    84.2 in (213.9 cm)
  • Width (fuselage)
    12 ft 4 in (3.76 m)
  • Wing area
    91.04 m² (979.95 sq ft)
  • Wingspan
    94 ft 9 in (28.9 m)
  • Sweep angle
    25°
  • Aspect ratio
    9.17
  • Parking area
    1,212.4 m2 (13,049.8 ft2)
  • Main gear config
    D
  • Cockpit to main gear
    15.9 m (52.1 ft)
  • Main gear width
    6.4 m (20.9 ft)
  • Wheelbase
    14.3 m (46.8 ft)

Performance & capabilities (10)

  • Fuel capacity
    20,100 L (5,310 US gal)
  • Range
    2,060 nmi (3,820 km; 2,370 mi)
  • Cargo capacity
    1,373 cu ft (38.9 m3)
  • Maximum payload
    40,240 lb (18,250 kg)
  • Seating (1-class)
    159 @ 32 in – 168 @ 30 in
  • Seating (2-class)
    147 (10F @ 36 in, 137Y @ 32 in)
  • Exit limit
    188
  • Seat width
    17 in (43.2 cm) to 21 in (53.3 cm)
  • Takeoff run
    8,690 ft (2,649 m)
  • Service ceiling
    11,280 m (37,000 ft)

Speeds (5)

  • Cruise (VCR)
    430 kt (796 km/h)
  • Cruise Mach
    0.75
  • Maximum (VMAX)
    473 kt (876 km/h)
  • Maximum Mach
    0.82
  • FAA approach
    139 kt (257 km/h)

Indicative Flight Profile data (23)
Source:SKYbrary logoSKYbrary [1]

  • Takeoff
    V2: 150 kts
    Distance: 2000 m
    Weight: 62820 kg
  • Initial climb (to 5000 ft)
    IAS: 175 kts
    ROC: 3000 ft/min
  • Initial climb (to 15,000 ft)
    IAS: 270 kts
    ROC: 2500
  • Initial climb (to 24,000 ft)
    IAS: 270 kts
    ROC: 2000 ft/min
  • Mach climb
    Mach: 0,7
    ROC: 1000 ft/min
  • Cruise
    TAS: 430 kts
    Mach: 0,75
    Ceiling: FL370
    Range: 2100 NM
  • Initial descent (to 24,000 ft)
    IAS: 0,74
    ROD: 1500 ft/min
  • Descent (to 10,000 ft)
    IAS: 270 kts
    ROD: 3500 ft/min
  • Descent (below 10,000 ft)
    IAS: 230 kts
    MCS: 210 kts
    ROD: 1500 ft/min
  • Approach
    VAPP (IAS): 137 kts
    Distance: 1500 m

Weights (5)

    • MLW
      56,245 kg (124,000 lb)
    • MTOW
      68,038 kg (150,000 lb)
    • MZFW
      53,070 kg (117,000 lb)
    • MTW
      68,265 kg (150,500 lb)
    • FAA weight class
      Large

Engine options (2)

Option 1:

  • Model
  • Manufacturer
    Country FlagCFM International
  • Type
    Turbofan
  • Fan blades
    44
  • Fan stages
    1
  • LP compressor stages
    3
  • HP compressor stages
    9
  • LP turbine stages
    4
  • HP turbine stages
    1
  • Control system
    Hydro mechanical and limited electronic
  • Length
    2.36 m (7.74 ft)
  • Width
    1.61 m (5.28 ft)
  • Height
    1.69 m (5.54 ft)
  • Fan diameter
    1.52 m (4.99 ft)
  • Max continuous thrust
    91.18 kN (20,498.08 lbf)
  • Max takeoff thrust
    98.30 kN (22,098.71 lbf)
  • Bypass ratio
    5.9:1
  • ISA sea level pressure ratio
    28.8:1 (at take-off thrust)
  • Nominal 1st shaft RPM
    5,179
  • Nominal 2nd shaft RPM
    14,460
  • Dry weight
    1,966.00 kg (4,335.03 lb)
  • Option 2:

  • Model
  • Manufacturer
    Country FlagCFM International
  • Type
    Turbofan
  • Fan blades
    44
  • Fan stages
    1
  • LP compressor stages
    3
  • HP compressor stages
    9
  • LP turbine stages
    4
  • HP turbine stages
    1
  • Control system
    Hydromechanical and limited electronic
  • Length
    2.36 m (7.74 ft)
  • Width
    1.61 m (5.28 ft)
  • Height
    1.69 m (5.54 ft)
  • Fan diameter
    1.52 m (4.99 ft)
  • Max continuous thrust
    97.19 kN (21,849.18 lbf)
  • Max takeoff thrust
    104.60 kN (23,515.01 lbf)
  • Bypass ratio
    6:1
  • ISA sea level pressure ratio
    30.6:1 (at take-off thrust)
  • Nominal 1st shaft RPM
    5,179
  • Nominal 2nd shaft RPM
    14,460
  • Dry weight
    1,966.00 kg (4,335.03 lb)

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