Commander 690B vs Beechcraft King Air C90

Full Specs Comparison

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Spec / Model Commander 690B Beechcraft King Air C90
Commander 690B
View 6 listings →
Median $745,000
Beechcraft King Air C90
View 30 listings →
Median $780,000
Price Range $680,000 – $1,025,000 $259,900 – $1,582,867
Category Multi Engine Turboprop Multi Engine Turboprop
Model Specifications
Seats 8
Cruise Speed 215 kts (398 km/h)
Range 1,060 nm (1,963 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 $375 $800
Engines 2 x Turboprop

Cost of Ownership

Estimate

Commander 690B

Variable$375/hr

Beechcraft King Air C90

Fuel$330/hr
Variable$800/hr
Annual Fixed$150,000/yr
Total (200 hrs/yr) $310,000/yr

Which Should You Buy: Commander 690B or Beechcraft King Air C90?

Pick the 690B if…

  • Lower operating cost — ~$375/hr vs $800/hr.
  • Newer design — production from 1972 vs 1964.

Pick the King Air C90 if…

  • Budget matters — from $259,900 vs $680,000, you save ~$420,100.
  • More inventory — 30 listings vs 6.

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

Frequently Asked Questions

Which is better, Commander 690B or Beechcraft King Air C90?
It depends on your mission and budget. The King Air C90 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?
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Commander 690B and Beechcraft King Air C90?
Which is cheaper to operate per hour?
690B: about $375/hr variable cost. 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. 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