Learjet 24 vs Learjet 31

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

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Learjet 24
36 ft × 43 ft ⭥ 12 ft
2× Turbojet Retractable Pressurized
Learjet 31
44 ft × 49 ft ⭥ 12 ft
2× Jet 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 Learjet 24Learjet 31
Stall speed 106 kt119 kt
Approach speed 125 kt113 kt
Cruise speed 439 kt456 kt
Range 1100 nm1250 nm
Service ceiling 45000 ft51000 ft
Rate of climb 6800 fpm5480 fpm
Fuel burn 257.4 gph202.0 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.

Learjet 24 Jet A
257.4 gph
Baseline
1,100 nm range 1.7 nm/gal 840 gal usable $1,544 fuel/hr 3h 15m endurance
Learjet 24: 257.4 gph at cruise, 1,100 nautical mile published range, 3 hour 15 minute endurance, 1.7 nautical miles per gallon.
Learjet 31 Jet A
202.0 gph
Baseline
1,250 nm range 2.3 nm/gal 615 gal usable $1,212 fuel/hr 3h 02m endurance
Learjet 31: 202.0 gph at cruise, 1,250 nautical mile published range, 3 hour 2 minute endurance, 2.3 nautical miles per gallon.
Jet A range each cell = 1 hr of cruise · width scales with speed

Bars show published still-air range: select a cell to view cruise-hours and fuel usage. Endurance is full tank at the displayed cruise burn rate; the extra is reserve and economy margin. 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

Takeoff over 50 ft obstacle

Landing over 50 ft obstacle

Density Altitude

Monte cristo

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

Hourly direct and annual fixed costs

Scale:
Learjet 24 Jet A
$4,773 /hr
Baseline
Learjet 24: $4,773 per flight hour — fuel $1,544, maintenance and reserve $3,229.
Learjet 31 Jet A
$2,882 /hr
Baseline
Learjet 31: $2,882 per flight hour — fuel $1,212, maintenance and reserve $1,670.
Learjet 24 Turbojet
$12,401 /yr Baseline
Learjet 24: $12,401 per year — insurance withheld, hangar $9,901, annual inspection $2,500.
Learjet 31 Jet
$15,501 /yr Baseline
Learjet 31: $15,501 per year — insurance withheld, hangar $13,001, annual inspection $2,500.

Estimates only. Hourly direct operating cost, based on fuel price and reserves; Annual fixed costs (insurance, hangar, and inspection). Costs vary by location, pilot profile, and market conditions. See individual aircraft pages for source notes.

Capability & limits

Payload vs useful load limit

+ cargo
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Learjet 24 Turbojet
8 / 8 seats cargo 840 gal / 840 gal fuel 532 lbs wet payload 6,160 lbs useful 13,500 lbs MTOW
Learjet 31 Jet
10 / 10 seats cargo 615 gal / 615 gal fuel 1,866 lbs wet payload 5,986 lbs useful 17,000 lbs MTOW

Shows selected occupants against full fuel, within the aircraft's useful-load limit. Fuel weight at 6.7 lb/gal jet-A, 6.0 lb/gal avgas; pax and luggage are 190 + 30 . Change payload weights in global settings.

Payload-Range Map

Origin: → · two fingers to move map

+ cargo
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