Aero Commander 680FL vs Commander 690

Side-by-side specs, range, and operating costs.

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Aero Commander 680FL
50 ft × 41 ft ⭥ 14 ft
2× Piston Retractable Unpressurized
Commander 690
47 ft × 44 ft ⭥ 15 ft
2× Turboprop Retractable Pressurized

Flight Profile

Service ceiling, range, and climb rate.

Tap legend to isolate

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.

Mission Performance

Stall, approach, cruise, range, ceiling and climb: best values are at the top.

Mission performance specifications
Specification Aero Commander 680FLCommander 690
Stall speed 79 kt82 kt
Approach speed 95 kt97 kt
Cruise speed 196 kt279 kt
Range 1310 nm1419 nm
Service ceiling 28500 ft31000 ft
Rate of climb 1282 fpm2849 fpm
Fuel burn 40.0 gph80.0 gph

Each axis is scaled independently across the compared aircraft and printed in its own units; every vertex sits at the published figure. Higher is better on all axes: Stall, Approach and Fuel Burn are inverted (lower = higher). A missing figure breaks the line at that axis.

Fuel Burn & Range

Range, endurance, and what the fuel costs by the hour.

Aero Commander 680FL Avgas
40.0 gph
Baseline
1,310 nm range 4.9 nm/gal 223 gal usable $260 fuel/hr 5h 34m endurance
Aero Commander 680FL: 40.0 gph at cruise, 1,310 nautical mile published range, 5 hour 34 minute endurance, 4.9 nautical miles per gallon.
Commander 690 Jet A
80.0 gph
Baseline
1,419 nm range 3.5 nm/gal 384 gal usable $480 fuel/hr 4h 47m endurance
Commander 690: 80.0 gph at cruise, 1,419 nautical mile published range, 4 hour 47 minute endurance, 3.5 nautical miles per gallon.
Avgas range Jet A range each cell = 1 hr of cruise · width scales with speed tank-dry · at this cruise burn

Bars show published still-air range: select a cell to view cruise-hours and fuel usage. Endurance is full tank at the displayed cruise burn rate; the extra is reserve and economy margin. Estimates only. Always verify against the POH.

Runway Performance

Density altitude adjusted estimates

Outside Air Temp
0°F57°F115°F
Field Elevation
SL4,0008,000 ft

Takeoff over 50 ft obstacle

Landing over 50 ft obstacle

Density Altitude

Monte cristo

Base distance DA penalty
Scale: 6,000 ft

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

Hourly direct and annual fixed costs

Scale:
Aero Commander 680FL Avgas
$738 /hr
Baseline
Aero Commander 680FL: $738 per flight hour — fuel $260, maintenance and reserve $478.
Commander 690 Jet A
$1,034 /hr
Baseline
Commander 690: $1,034 per flight hour — fuel $480, maintenance and reserve $554.
Aero Commander 680FL Piston
$21,500 /yr Baseline
Aero Commander 680FL: $21,500 per year — insurance $6,000, hangar $9,000, annual inspection $6,500.
Commander 690 Turboprop
$38,058 /yr Baseline
Commander 690: $38,058 per year — insurance $23,000, hangar $12,558, annual inspection $2,500.

Estimates only. Hourly direct operating cost, based on fuel price and reserves; Annual fixed costs (insurance, hangar, and inspection). Costs vary by location, pilot profile, and market conditions. See individual aircraft pages for source notes.

Capability & limits

Payload vs useful load limit

+ cargo
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Aero Commander 680FL Piston
9 / 9 seats cargo 223 gal / 223 gal fuel 1,142 lbs wet payload 2,480 lbs useful 8,500 lbs MTOW
Commander 690 Turboprop
7 / 7 seats cargo 384 gal / 384 gal fuel 1,607 lbs wet payload 4,180 lbs useful 10,325 lbs MTOW

Shows selected occupants against full fuel, within the aircraft's useful-load limit. Fuel weight at 6.7 lb/gal jet-A, 6.0 lb/gal avgas; pax and luggage are 190 + 30 . Change payload weights in global settings.

Payload-Range Map

Origin: → · two fingers to move map

+ cargo
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