Cessna Conquest I vs Beechcraft King Air 90

Full Specs Comparison

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Spec / Model Cessna Conquest I Beechcraft King Air 90
Cessna Conquest I
View 13 listings →
Median $1,075,000
Beechcraft King Air 90
View 124 listings →
Median $1,172,500
Price Range $850,000 – $1,550,000 $229,000 – $3,699,000
Category Multi Engine Turboprop Multi Engine Turboprop
Model Specifications
Seats 8 10
Cruise Speed 283 kts (524 km/h) 215 kts (398 km/h)
Range 1,500 nm (2,778 km) 1,060 nm (1,963 km)
Useful Load 2,700 lbs (1,225 kg)
Engines 2 x 2 x Turboprop

Which Should You Buy: Cessna Conquest I or Beechcraft King Air 90?

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 1966.

Pick the King Air 90 if…

  • Budget matters — from $229,000 vs $850,000, you save ~$621,000.
  • More seats — 10 vs 8.
  • More inventory — 124 listings vs 13.

Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.

Frequently Asked Questions

Which is better, Cessna Conquest I or Beechcraft King Air 90?
It depends on your mission and budget. The Conquest I cruises at 283 kts with 1,500 nm range. The King Air 90 cruises at 215 kts with 1,060 nm range. Review the specs table above to find which fits your flying profile.
How do prices compare?
Cessna Conquest I: from $1,075,000. Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Cessna Conquest I and Beechcraft King Air 90?
King Air 90 engine: Pratt & Whitney PT6A-6. Seats: 8 vs 10. Cruise: 283 vs 215 kts. Range: 1500 vs 1060 nm.
Which is cheaper to operate per hour?
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?
Conquest I: 8 seats. King Air 90: 10 seats / 2,700 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?
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