Cessna 500/Citation I vs Learjet 40

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

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Cessna 500/Citation I
47 ft × 44 ft ⭥ 14 ft
2× Turbofan Retractable Pressurized
Learjet 40
48 ft × 56 ft ⭥ 14 ft
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 Cessna 500/Citation ILearjet 40
Stall speed 85 kt119 kt
Approach speed 91 kt123 kt
Cruise speed 357 kt464 kt
Range 1325 nm1692 nm
Service ceiling 41000 ft51000 ft
Rate of climb 2719 fpm2820 fpm
Fuel burn 166.1 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.

Cessna 500/Citation I Jet A
166.1 gph
Baseline
1,325 nm range 2.1 nm/gal 564 gal usable $997 fuel/hr 3h 23m endurance
Cessna 500/Citation I: 166.1 gph at cruise, 1,325 nautical mile published range, 3 hour 23 minute endurance, 2.1 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 gph 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 tank-dry · at this cruise burn

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 ground roll

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:
Cessna 500/Citation I Jet A
$1,625 /hr
Baseline
Cessna 500/Citation I: $1,625 per flight hour — fuel $997, maintenance and reserve $628.
Learjet 40 Jet A
$3,334 /hr
Baseline
Learjet 40: $3,334 per flight hour — fuel $1,344, maintenance and reserve $1,990.
Cessna 500/Citation I Turbofan
$14,962 /yr Baseline
Cessna 500/Citation I: $14,962 per year — insurance withheld, hangar $12,462, 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. 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

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Cessna 500/Citation I Turbofan
9 / 9 seats 564 gal / 564 gal fuel 818 lbs wet payload 4,597 lbs useful 11,850 lbs MTOW
Learjet 40 Turbofan
10 / 10 seats 802 gal / 802 gal fuel 2,237 lbs wet payload 7,610 lbs useful 20,350 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

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