Bombardier Learjet 31 vs Cessna CitationJet CJ1

Side-by-side specs, range, and real operating costs for up to 5 aircraft.

Aircraft

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Mission Performance

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Values normalised across compared aircraft. Fuel Economy is inverted (lower burn = higher score). See table below for raw figures.

Mission Performance Details

Metric Bombardier Learjet 31 Learjet Cessna CitationJet CJ1 Cessna
Stall Speed 119 kts 91 kts
Approach Speed 113 kts 99 kts
Cruise Speed 456 kts 381 kts
Range 1,250 nm 1,300 nm
Service Ceiling 51,000 ft 41,000 ft
Rate of Climb 5,480 fpm 3,230 fpm
Fuel Burn 177.0 gph 134.0 gph

Flight Profile

Service ceiling, range, and climb rate.

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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.

Fuel Burn & Range

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

Bombardier Learjet 31 Jet A
177.0 gph
baseline
1,250 nm range 615 gal usable 3h 28m endurance 2.6 nm/gal $1,062 fuel/hr
Bombardier Learjet 31: 177.0 gallons per hour at cruise, 1,250 nautical mile published range, 3 hour 28 minute endurance, 2.6 nautical miles per gallon.
Cessna CitationJet CJ1 Jet A
134.0 gph
−43.0 gph
1,300 nm range 477 gal usable 3h 33m endurance 2.8 nm/gal $804 fuel/hr
Cessna CitationJet CJ1: 134.0 gallons per hour at cruise, 1,300 nautical mile published range, 3 hour 33 minute endurance, 2.8 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:
Bombardier Learjet 31Jet A
$1,774 /hr
Bombardier Learjet 31: $1,774 per flight hour — fuel $1,062, maintenance and reserve $712.
Cessna CitationJet CJ1Jet A
$1,644 /hr
Cessna CitationJet CJ1: $1,644 per flight hour — fuel $804, maintenance and reserve $840.
Bombardier Learjet 31 Jet
$15,501 /yr
Bombardier Learjet 31: $15,501 per year — insurance withheld, hangar $13,001, annual inspection $2,500.
Cessna CitationJet CJ1 Turbofan
$14,688 /yr
Cessna CitationJet CJ1: $14,688 per year — insurance withheld, hangar $12,188, 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.

Occupants at 190 + 30 lb each
1
Bombardier Learjet 31
8 / 8 seats 615 / 615 gal fuel 1,866 lb wet payload 5,986 lb useful 17,000 lb MTOW
Cessna CitationJet CJ1
8 / 8 seats 477 / 477 gal fuel 554 lb wet payload 3,750 lb useful 10,400 lb MTOW

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

Dimensions & configuration

Representative planforms, drawn to shared scale.

Bombardier Learjet 31
43.8 × 48.7 ft 12.3 ft tall
2× Jet Retractable Pressurized
Cessna CitationJet CJ1
46.9 × 42.6 ft 13.8 ft tall
2× Turbofan Retractable Pressurized

Payload-Range Map

Full fuel ← → Max payload

Origin: · two fingers to move map

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