Boeing 737-400
Boeing · B734
Stretched classic 737 that served as US domestic backbone through the 1990s. Cargo conversions keep some flying.
A twin-engine jet in the large category that cruises at about 439 kts. Requires about 16.2k ft of field length for takeoff.
2x JetLargeRECAT DFL370 ceilingILS capable

Performance
| Parameter | Value |
|---|---|
| Engines | 2 x Jet |
| Weight class | Large (L) |
| RECAT-EU category | D (Upper medium) |
| Service ceiling | 37,000 ft (FL370) |
| Max climb rate | 3,000 fpm |
| Max descent rate | 3,500 fpm |
Speed envelope
Speeds are approximate true airspeed (TAS). At cruise altitude, the Mach number is the governing limit where shown.
| Parameter | Value |
|---|---|
| Minimum speed | 130 kts |
| Landing speed | 140 kts |
| Cruise speed | ~439 kts TAS |
| Maximum speed | ~492 kts TAS |
Runway requirements
Field lengths used in the simulation for takeoff/landing calculations.
| Parameter | Value |
|---|---|
| Takeoff field length | 16,186 ft / 2.66 nm / 4,933 m |
| Landing field length | 9,351 ft / 1.54 nm / 2,850 m |
Equipment
| Capability | Status |
|---|---|
| ILS approaches | Yes |
| Fix navigation | Yes |
| SRS category | 3 |
| LAHSO category | 8 |
Where you'll see it
The Boeing 737-400 is a narrowbody jet used on domestic and short-haul international routes. One of the most common types in busy approach and center airspaces worldwide.