Cessna 320 Skyknight vs Cessna 335

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

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Cessna 320 Skyknight
37 ft × 32 ft ⭥ 11 ft
2× Piston Retractable Unpressurized
Cessna 335
38 ft × 34 ft ⭥ 13 ft
2× Piston Retractable Unpressurized

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 Cessna 320 SkyknightCessna 335
Stall speed 67 kt71 kt
Approach speed 90 kt93 kt
Cruise speed 200 kt211 kt
Range 750 nm1088 nm
Service ceiling 24000 ft26800 ft
Rate of climb 1700 fpm1400 fpm
Fuel burn 26.0 gph34.0 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.

Cessna 320 Skyknight Avgas
26.0 gph
Baseline
750 nm range 7.7 nm/gal 102 gal usable $169 fuel/hr 3h 55m endurance
Cessna 320 Skyknight: 26.0 gph at cruise, 750 nautical mile published range, 3 hour 55 minute endurance, 7.7 nautical miles per gallon.
Cessna 335 Avgas
34.0 gph
Baseline
1,088 nm range 6.2 nm/gal 183 gal usable $221 fuel/hr 5h 22m endurance
Cessna 335: 34.0 gph at cruise, 1,088 nautical mile published range, 5 hour 22 minute endurance, 6.2 nautical miles per gallon.
Avgas range each cell = 1 hr of cruise · width scales with speed

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:
Cessna 320 Skyknight Avgas
$329 /hr
Baseline
Cessna 320 Skyknight: $329 per flight hour — fuel $169, maintenance and reserve $160.
Cessna 335 Avgas
$463 /hr
Baseline
Cessna 335: $463 per flight hour — fuel $221, maintenance and reserve $242.
Cessna 320 Skyknight Piston
$10,309 /yr Baseline
Cessna 320 Skyknight: $10,309 per year — insurance withheld, hangar $7,809, annual inspection $2,500.
Cessna 335 Piston
$16,500 /yr Baseline
Cessna 335: $16,500 per year — insurance $5,800, hangar $4,200, annual inspection $6,500.

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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Cessna 320 Skyknight Piston
6 / 6 seats cargo 102 gal / 102 gal fuel 1,338 lbs wet payload 1,950 lbs useful 4,990 lbs MTOW
Cessna 335 Piston
6 / 6 seats cargo 183 gal / 183 gal fuel 929 lbs wet payload 2,027 lbs useful 5,990 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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