Beechcraft King Air F90 vs Cessna Conquest I
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
Beechcraft King Air F90
- For sale now
- 17
- Median asking
- $1,175,000
- Range
- $665,800–$2,147,050
- Model years available
- 1980–1985
Cessna Conquest I
- For sale now
- 13
- Median asking
- $1,162,500
- Range
- $867,150–$2,135,000
- Model years available
- 1978–1985
Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.
Full Specs Comparison
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| Spec / Model | Beechcraft King Air F90 | Cessna Conquest I |
|---|---|---|
|
|
|
| Price Range | $665,800 – $2,147,050 | $867,150 – $2,135,000 |
| Category | Multi Engine Turboprop | Multi Engine Turboprop |
| Model Specifications | ||
| Seats | 10 | 8 |
| Horsepower | 750 HP | 450 HP |
| Cruise Speed | 260 kts (482 km/h) | 283 kts (524 km/h) |
| Range | 1,600 nm (2,963 km) | 1,500 nm (2,778 km) |
| Service Ceiling | 30,000 ft (9,144 m) | 30,000 ft (9,144 m) |
| Max Gross Weight | 10,950 lbs (4,967 kg) | 8,600 lbs (3,901 kg) |
| Useful Load | 3,000 lbs (1,361 kg) | 3,000 lbs (1,361 kg) |
| Fuel Capacity | — | 182.0 gal (689 L) |
| Fuel Burn | 65.0 GPH (246 L/h) | 70.0 GPH (265 L/h) |
| TBO | 3,500 hrs | 3,500 hrs |
| Overhaul Cost | $350,000 | $200,000 |
| Annual Fixed | $150,000 | $55,000 |
| Hourly Variable | $800 | $650 |
| Engines | 2 x Turboprop | 2 x Turboprop |
Cost of Ownership
EstimateBeechcraft King Air F90
Fuel$358/hr
Variable$800/hr
Annual Fixed$150,000/yr
Total (200 hrs/yr)
$310,000/yr
Cessna Conquest I
Fuel$385/hr
Variable$650/hr
Annual Fixed$55,000/yr
Total (200 hrs/yr)
$185,000/yr
Which Should You Buy: Beechcraft King Air F90 or Cessna Conquest I?
Pick the King Air F90 if…
- Budget matters — from $665,800 vs $867,150, you save ~$201,350.
- More seats — 10 vs 8.
- Longer range — 1600 nm vs 1500 nm.
- More inventory — 18 listings vs 14.
Pick the Conquest I if…
- Lower operating cost — ~$650/hr vs $800/hr.
- Faster cruise — 283 kts vs 260 kts.
- Newer design — production from 1980 vs 1979.
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 F90 or Cessna Conquest I?
It depends on your mission and budget.
The King Air F90 cruises at 260 kts with 1,600 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?
Beechcraft King Air F90: from $1,200,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Beechcraft King Air F90 and Cessna Conquest I?
Conquest I engine: PRATT & WHITNEY PT6A-112 (450 hp).
Seats: 10 vs 8.
Cruise: 260 vs 283 kts.
Range: 1600 vs 1500 nm.
Which is cheaper to operate per hour?
King Air F90: about $800/hr variable cost.
Conquest I: about $650/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 F90: 10 seats / 3,000 lb useful load.
Conquest I: 8 seats / 3,000 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 F90: 3,500-hour TBO, overhaul ~$350,000.
Conquest I: 3,500-hour TBO, overhaul ~$200,000.
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