Bombardier Learjet 23 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 23 Learjet Cessna CitationJet CJ1 Cessna
Stall Speed 90 kts 91 kts
Approach Speed 128 kts 99 kts
Cruise Speed 450 kts 381 kts
Range 1,590 nm 1,300 nm
Service Ceiling 45,000 ft 41,000 ft
Rate of Climb 6,900 fpm 3,230 fpm
Fuel Burn 256.0 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 23 Jet A
256.0 gph
baseline
1,590 nm range 847 gal usable 3h 18m endurance 1.8 nm/gal $1,536 fuel/hr
Bombardier Learjet 23: 256.0 gallons per hour at cruise, 1,590 nautical mile published range, 3 hour 18 minute endurance, 1.8 nautical miles per gallon.
Cessna CitationJet CJ1 Jet A
134.0 gph
−122.0 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 23Jet A
$1,536 /hr
Fuel-only floor (maintenance & reserve withheld)
Cessna CitationJet CJ1Jet A
$1,644 /hr
Cessna CitationJet CJ1: $1,644 per flight hour — fuel $804, maintenance and reserve $840.
Bombardier Learjet 23 Jet
$12,411 /yr
Bombardier Learjet 23: $12,411 per year — insurance withheld, hangar $9,911, 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 23
8 / 8 seats 847 / 847 gal fuel 675 lb wet payload 6,350 lb useful 12,500 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 23
35.6 × 43.3 ft 12.6 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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