Beechcraft King Air C90 vs Cessna Conquest I
Full Specs Comparison
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| Spec / Model | Beechcraft King Air C90 | Cessna Conquest I |
|---|---|---|
|
|
|
| Price Range | $259,900 – $1,582,867 | $850,000 – $1,550,000 |
| Category | Multi Engine Turboprop | Multi Engine Turboprop |
| Model Specifications | ||
| Seats | 8 | 8 |
| Cruise Speed | 215 kts (398 km/h) | 283 kts (524 km/h) |
| Range | 1,060 nm (1,963 km) | 1,500 nm (2,778 km) |
| Service Ceiling | 28,100 ft (8,565 m) | — |
| Max Gross Weight | 10,100 lbs (4,581 kg) | — |
| Useful Load | 2,700 lbs (1,225 kg) | — |
| Fuel Capacity | 384.0 gal (1453 L) | — |
| Fuel Burn | 60.0 GPH (227 L/h) | — |
| TBO | 3,500 hrs | — |
| Overhaul Cost | $350,000 | — |
| Annual Fixed | $150,000 | — |
| Hourly Variable | $800 | — |
| Engines | 2 x Turboprop | 2 x |
Cost of Ownership
EstimateBeechcraft King Air C90
Fuel$330/hr
Variable$800/hr
Annual Fixed$150,000/yr
Total (200 hrs/yr)
$310,000/yr
Cessna Conquest I
Which Should You Buy: Beechcraft King Air C90 or Cessna Conquest I?
Pick the King Air C90 if…
- Budget matters — from $259,900 vs $850,000, you save ~$590,100.
- More inventory — 33 listings vs 14.
Pick the Conquest I if…
- Faster cruise — 283 kts vs 215 kts.
- Longer range — 1500 nm vs 1060 nm.
- Newer design — production from 1976 vs 1964.
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 C90 or Cessna Conquest I?
It depends on your mission and budget.
The King Air C90 cruises at 215 kts with 1,060 nm range.
The Conquest I cruises at 283 kts with 1,500 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 C90 and Cessna Conquest I?
Cruise: 215 vs 283 kts.
Range: 1060 vs 1500 nm.
Which is cheaper to operate per hour?
King Air C90: about $800/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 C90: 8 seats / 2,700 lb useful load.
Conquest I: 8 seats.
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 C90: 3,500-hour TBO, overhaul ~$350,000.
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