Diamond 20 Katana vs Diamond DA20-A1 Katana

Side-by-side specs, range, and real operating costs for up to 5 aircraft.

Aircraft

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Mission Performance

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Values normalised across compared aircraft. Fuel Economy is inverted (lower burn = higher score). See table below for raw figures.

Mission Performance Details

Metric Diamond 20 Katana Diamond Aircraft Industries Diamond DA20-A1 Katana Diamond Aircraft Industries
Stall Speed 42 kts 41 kts
Approach Speed 60 kts 54 kts
Cruise Speed 138 kts 117 kts
Range 525 nm 450 nm
Service Ceiling 13,120 ft 14,000 ft
Rate of Climb 830 fpm 680 fpm
Fuel Burn 5.5 gph 4.4 gph

Flight Profile

Service ceiling, range, and climb rate.

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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 & Range

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

Diamond 20 Katana Avgas
5.5 gph
baseline
525 nm range 24 gal usable 4h 21m endurance 25.1 nm/gal $36 fuel/hr
Diamond 20 Katana: 5.5 gallons per hour at cruise, 525 nautical mile published range, 4 hour 21 minute endurance, 25.1 nautical miles per gallon.
Diamond DA20-A1 Katana Avgas
4.4 gph
−1.1 gph
450 nm range 20 gal usable 4h 32m endurance 26.6 nm/gal $29 fuel/hr
Diamond DA20-A1 Katana: 4.4 gallons per hour at cruise, 450 nautical mile published range, 4 hour 32 minute endurance, 26.6 nautical miles per gallon.
Avgas range each cell = 1 hr of cruise · width scales with speed

Bars show published still-air range. Endurance is usable fuel divided by the published cruise burn. 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
Density Altitude

Takeoff over 50 ft obstacle

Landing ground roll

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

Scale:
Diamond 20 KatanaAvgas
$78 /hr
Diamond 20 Katana: $78 per flight hour — fuel $36, maintenance and reserve $42.
Diamond DA20-A1 KatanaAvgas
$74 /hr
Diamond DA20-A1 Katana: $74 per flight hour — fuel $29, maintenance and reserve $45.
Diamond 20 Katana Piston
$6,816 /yr
Diamond 20 Katana: $6,816 per year — insurance $1,800, hangar $3,816, annual inspection $1,200.
Diamond DA20-A1 Katana Piston
$8,546 /yr
Diamond DA20-A1 Katana: $8,546 per year — insurance $1,500, hangar $5,846, annual inspection $1,200.

Estimates only. Costs vary by location, pilot profile, and market conditions. See individual aircraft pages for source notes.

Capability & limits

Each bar stacks your selected occupants against full fuel and the aircraft's useful-load limit (the black line). The open gap between them is spare payload. Add an occupant and the gap closes; once it's gone, fuel has to give.

190 + 30 lb Occupants
×
1
Diamond 20 Katana
2 / 2 seats 24 / 24 gal fuel 440 lb wet payload 584 lb useful 1,764 lb MTOW
Diamond DA20-A1 Katana
2 / 2 seats 20 / 20 gal fuel 394 lb wet payload 514 lb useful 1,609 lb MTOW

Occupants at 190 + 30 lb each. Fuel at 6.7 lb/gal jet-A, 6.0 lb/gal avgas.

Dimensions & configuration

Representative planforms, drawn to shared scale.

Diamond 20 Katana
35.7 × 23.8 ft 7.1 ft tall
1× Piston Fixed Unpressurized
Diamond DA20-A1 Katana
35.6 × 23.5 ft 6.9 ft tall
1× Piston Fixed Unpressurized

Payload-Range Map

Full fuel ← → Max payload

Origin: · two fingers to move map

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