Swearingen SX-300 vs Beechcraft King Air 90
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
Swearingen SX-300
No active listings right now.
Beechcraft King Air 90
- For sale now
- 116
- Median asking
- $1,172,500
- Range
- $413,000–$3,117,025
- Listed on 2+ marketplaces
- 50
- Source marketplaces
- 15
- Model years available
- 1965–2014
Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.
Safety Record
Absolute counts scale with fleet size — the most-produced types log more events without being less safe. Compare the % fatal.
| NTSB (1982–now) | Swearingen SX-300 | Beechcraft King Air 90 |
|---|---|---|
| All events | 1 | — |
| Serious | 0 | — |
| Fatal | 1 | — |
| Fatalities | 2 | — |
| % Fatal | 100% | — |
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Swearingen SX-300 | Beechcraft King Air 90 |
|---|---|---|
|
|
|
| Price Range | $265,000 | $413,000 – $3,117,025 |
| Category | Multi Engine Turboprop | Multi Engine Turboprop |
| Model Specifications | ||
| Seats | — | 10 |
| Cruise Speed | — | 215 kts (398 km/h) |
| Range | — | 1,060 nm (1,963 km) |
| Useful Load | — | 2,700 lbs (1,225 kg) |
| TBO | — | 3,600 hrs |
| Engines | — | 2 x Turboprop |
Frequently Asked Questions
Which is better, Swearingen SX-300 or Beechcraft King Air 90?
It depends on your mission and budget.
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?
Swearingen SX-300: from $265,000.
Beechcraft King Air 90: from $459,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Swearingen SX-300 and Beechcraft King Air 90?
King Air 90 engine: Pratt & Whitney PT6A-6.
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?
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?
King Air 90: 3,600-hour TBO.
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