Dassault Falcon 2000LXS vs Learjet 40

Side-by-side specs, range, and operating costs.

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Dassault Falcon 2000LXS
70.2 × 66.3 ft 23.3 ft tall
2× Jet Retractable Pressurized
Learjet 40
47.8 × 55.5 ft 14.1 ft tall
2× Turbofan Retractable Pressurized

Flight Profile

Service ceiling, range, and climb rate.

Tap legend to isolate

Arc represents the climb-cruise-descent profile based on published service ceiling and range. Climb rate annotated on ascent. FL180 (18,000 ft) shown for reference.

Mission Performance

Stall, approach, cruise, range, ceiling and climb: best values are at the top.

Mission performance specifications
Specification Dassault Falcon 2000LXSLearjet 40
Stall speed 98 kt119 kt
Approach speed 105 kt123 kt
Cruise speed 482 kt464 kt
Range 4000 nm1692 nm
Service ceiling 47000 ft51000 ft
Rate of climb —2820 fpm
Fuel burn 280.0 gph224.0 gph

Each axis is scaled independently across the compared aircraft and printed in its own units; every vertex sits at the published figure. Higher is better on all axes: Stall, Approach and Fuel Burn are inverted (lower = higher). A missing figure breaks the line at that axis.

Fuel Burn & Range

Range, endurance, and what the fuel costs by the hour.

Dassault Falcon 2000LXS Jet A
280.0 gph
Baseline
4,000 nm range 1.7 nm/gal 2486 gal usable $1,680 fuel/hr 8h 52m endurance
Dassault Falcon 2000LXS: 280.0 gallons per hour at cruise, 4,000 nautical mile published range, 8 hour 52 minute endurance, 1.7 nautical miles per gallon.
Learjet 40 Jet A
224.0 gph
Baseline
1,692 nm range 2.1 nm/gal 802 gal usable $1,344 fuel/hr 3h 34m endurance
Learjet 40: 224.0 gallons per hour at cruise, 1,692 nautical mile published range, 3 hour 34 minute endurance, 2.1 nautical miles per gallon.
Jet A range each cell = 1 hr of cruise · width scales with speed

Bars show published still-air range. Endurance is usable fuel divided by the published cruise burn. Estimates only. Always verify against the POH.

Runway Performance

Density altitude adjusted estimates

Outside Air Temp
0°F57°F115°F
Field Elevation
SL4,0008,000 ft
Density Altitude

Takeoff over 50 ft obstacle

Landing ground roll

Base distance DA penalty
Scale: 6,000 ft

FAA 10%/1,000 ft DA rule of thumb (FAA-H-8083-25B). Turboprops and jets are less sensitive in practice. Always verify against the POH.

Estimated Operating Costs

Scale:
Dassault Falcon 2000LXS Jet A
$4,234 /hr
Baseline
Dassault Falcon 2000LXS: $4,234 per flight hour — fuel $1,680, maintenance and reserve $2,554.
Learjet 40 Jet A
$3,334 /hr
Baseline
Learjet 40: $3,334 per flight hour — fuel $1,344, maintenance and reserve $1,990.
Dassault Falcon 2000LXS Jet
$28,232 /yr Baseline
Dassault Falcon 2000LXS: $28,232 per year — insurance withheld, hangar $25,732, annual inspection $2,500.
Learjet 40 Turbofan
$48,321 /yr Baseline
Learjet 40: $48,321 per year — insurance $15,559, hangar $30,262, annual inspection $2,500.

Estimates only. Costs vary by location, pilot profile, and market conditions. See individual aircraft pages for source notes.

Capability & limits

Each bar stacks your selected occupants against full fuel and the aircraft's useful-load limit (the black line). The open gap between them is spare payload. Add an occupant and the gap closes; once it's gone, fuel has to give.

lb

+ lb / pax

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Dassault Falcon 2000LXS
10 / 10 seats 2,486 / 2,486 gal fuel 1,394 lb wet payload 18,050 lb useful 42,800 lb MTOW
Learjet 40
10 / 10 seats 802 / 802 gal fuel 2,237 lb wet payload 7,610 lb useful 20,350 lb MTOW

Occupants at 190 + 30 lb each. Fuel at 6.7 lb/gal jet-A, 6.0 lb/gal avgas.

Payload-Range Map

Origin: · two fingers to move map

lb

+ lb / pax

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