Aero Commander 680FL vs Beech King Air 90
Side-by-side specs, range, and real operating costs for up to 5 aircraft.
Mission Performance
Tap to isolateValues normalised across compared aircraft. Fuel Economy is inverted (lower burn = higher score). See table below for raw figures.
Mission Performance Details
| Metric | Aero Commander 680FL Aero Commander | Beech King Air 90 Beechcraft |
|---|---|---|
| Stall Speed | 79 kts | 88 kts |
| Approach Speed | 95 kts | 100 kts |
| Cruise Speed | 196 kts | 245 kts |
| Range | 1,310 nm | 1,468 nm |
| Service Ceiling | 28,500 ft | 27,620 ft |
| Rate of Climb | 1,282 fpm | 1,870 fpm |
| Fuel Burn | 40.0 gph | 71.0 gph |
Flight Profile
Service ceiling, range, and climb rate.
Arc represents the climb-cruise-descent profile based on published service ceiling and range. Climb rate annotated on ascent. FL180 (18,000 ft) shown for reference.
Fuel Burn
Based on published cruise fuel flow
| Metric | Aero Commander 680FL Aero Commander | Beech King Air 90 Beechcraft |
|---|---|---|
| Burn Rate |
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| Trip Fuel |
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| Trip Cost |
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| Cost / hr |
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: trip distance exceeds published range.
Trip time estimated from published cruise speed and distance. Fuel burn is a published cruise figure; actual consumption varies with altitude, loading, and conditions.
Runway Performance
Density altitude adjusted estimates
Takeoff over 50 ft obstacle
Landing ground roll
FAA 10%/1,000 ft DA rule of thumb (FAA-H-8083-25B). Turboprops and jets are less sensitive in practice. Always verify against the POH.
Estimated Operating Costs
| Metric | Aero Commander 680FL Aero Commander | Beech King Air 90 Beechcraft |
|---|---|---|
| Fuel Cost per hour | $260/hr | $426/hr |
| Direct Operating Cost per hour | $738/hr | $1,299/hr |
| Annual Fixed Costs | ||
| Insurance | $6,000/yr | —/yr |
| Hangar | $9,000/yr | $8,027/yr |
| Annual Inspection | $6,500/yr | $11,937/yr |
| Total Fixed | $21,500/yr | $19,964/yr |
Estimates only. Costs vary by location, pilot profile, and market conditions. See individual aircraft pages for source notes.
Capability, Limits & Dimensions
| Metric | Aero Commander 680FL Aero Commander | Beech King Air 90 Beechcraft |
|---|---|---|
| Useful Load | 2,480 lbs | 3,560 lbs |
| MTOW | 8,500 lbs | 10,100 lbs |
| Seating | 9 | 7 |
| Fuel Capacity | 223 gal | 474 gal |
| Engines | 2× Piston | 2× Turboprop |
| Landing Gear | Retractable | Retractable |
| Pressurized | No | Yes |
| Dimensions | ||
| Wingspan | 49.5 ft | 50.2 ft |
| Length | 41.3 ft | 35.5 ft |
| Tail Height | 14.5 ft | 14.2 ft |
Payload-Range Map
Origin: · click map to move