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| The Learjet 31 and 31A have enjoyed considerable success with 37 and close to 300 built respectively. It first flew on 11th May 1987 and features the 35A's fuselage with the 55's wings.The aircraft uses the TFE731 turbofan. Delta fins at the underside of the rear fuselage greatly improved handling characteristics. The Lear 31 features five windows on each side. The improved 31A and 31A/ER are the current production models, the 31/ER being an extended range variant with a higher maximum takeoff weight of 16,500 lbs instead of the standard 15,500 lbs. Additionally, the 31/ER carries approximately 75 gallons more fuel. A new interior with increased headroom was introduced in 1995. |
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| Seating (normal) |
6 |
Max Takeoff (lbs) |
17,000 |
| Seating (maximum) |
- |
Certified Ceiling (ft) |
51,000 |
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| Engines |
2 Hon TFE731-2-4-3 |
To (Sealevel, ISA Temp) (ft) |
3,490 |
| Output lbs ea. Flat Rating |
3500 |
Landing Distance (ft) |
2,507 |
| Maximum Mach No. |
0.81 |
Max Range (fuel) (nm) |
1,153 |
| High Speed Cruise (Kts) |
456 |
Max Range (payload) (nm) |
900 |
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| Flight Time 300nm |
0 + 44 |
Flight Time 1000nm |
2 + 20 |
| Flight Time 600nm |
1 + 25 |
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| External |
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Internal |
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| Length (ft) |
48.70 |
Length (ft) |
17.10 |
| Height (ft) |
12.30 |
Height (ft) |
4.40 |
| Span (ft) |
43.80 |
Width: Max floor (ft) |
4.90 |
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