Beechcraft King Air C90B vs Cessna Conquest II
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Beechcraft King Air C90B | Cessna Conquest II |
|---|---|---|
|
|
|
| Price Range | $995,000 – $2,850,000 | $773,539 – $1,890,000 |
| Category | Multi Engine Turboprop | Multi Engine Turboprop |
| Model Specifications | ||
| Seats | 10 | 11 |
| Horsepower | 550 HP | — |
| Cruise Speed | 234 kts (433 km/h) | 272 kts (504 km/h) |
| Range | 1,207 nm (2,235 km) | 1,650 nm (3,056 km) |
| Service Ceiling | 30,000 ft (9,144 m) | 35,000 ft (10,668 m) |
| Max Gross Weight | 10,100 lbs (4,581 kg) | 9,850 lbs (4,468 kg) |
| Useful Load | — | 3,100 lbs (1,406 kg) |
| Fuel Capacity | 384.0 gal (1453 L) | 475.0 gal (1798 L) |
| Fuel Burn | 68.0 GPH (257 L/h) | 70.0 GPH (265 L/h) |
| TBO | 3,600 hrs | — |
| Overhaul Cost | $300,000 | — |
| Annual Fixed | $150,000 | — |
| Hourly Variable | $900 | — |
| Engines | 2 x Turboprop | 2 x Turboprop |
Cost of Ownership
EstimateBeechcraft King Air C90B
Fuel$374/hr
Variable$900/hr
Annual Fixed$150,000/yr
Total (200 hrs/yr)
$330,000/yr
Cessna Conquest II
Fuel$385/hr
Which Should You Buy: Beechcraft King Air C90B or Cessna Conquest II?
Pick the King Air C90B if…
- Newer design — production from 1992 vs 1977.
- More inventory — 20 listings vs 9.
Pick the Conquest II if…
- Budget matters — from $773,539 vs $995,000, you save ~$221,461.
- More seats — 11 vs 10.
- Faster cruise — 272 kts vs 234 kts.
- Longer range — 1650 nm vs 1207 nm.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.
Frequently Asked Questions
Which is better, Beechcraft King Air C90B or Cessna Conquest II?
It depends on your mission and budget.
The King Air C90B cruises at 234 kts with 1,207 nm range.
The Conquest II cruises at 272 kts with 1,650 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Beechcraft King Air C90B and Cessna Conquest II?
Seats: 10 vs 11.
Cruise: 234 vs 272 kts.
Range: 1207 vs 1650 nm.
Which is cheaper to operate per hour?
King Air C90B: about $900/hr variable cost.
Variable cost includes fuel, reserves and overhaul accruals. Annual fixed costs (hangar, insurance, annual inspection) add to the total.
Which has more seats and useful load?
King Air C90B: 10 seats.
Conquest II: 11 seats / 3,100 lb useful load.
Useful load = max gross weight minus empty weight; it determines how much fuel plus payload you can carry.
How does maintenance compare — TBO and overhaul cost?
King Air C90B: 3,600-hour TBO, overhaul ~$300,000.
Reaching the time-between-overhaul (TBO) triggers a mandatory engine/airframe rebuild that affects resale value.
Disclaimer: All prices and cost estimates are from third-party sources for informational purposes only. Always obtain professional appraisal and inspection before purchase.
Prices updated daily · Data: FAA Registry, NTSB · About our data