Diamond Star DA40 vs Sling TSi

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

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Diamond Star DA40
39 ft × 26 ft ⭥ 6 ft
1× Piston Fixed Unpressurized
Sling TSi
31 ft × 24 ft ⭥ 8 ft
1× Piston Fixed 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 Diamond Star DA40Sling TSi
Stall speed 52 kt56 kt
Approach speed 66 kt62 kt
Cruise speed 150 kt155 kt
Range 724 nm1000 nm
Service ceiling 16400 ft23000 ft
Rate of climb 1120 fpm1200 fpm
Fuel burn 10.0 gph7.4 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.

Diamond Star DA40 Avgas
10.0 gph
Baseline
724 nm range 15.0 nm/gal 50 gal usable $65 fuel/hr 5h 00m endurance
Diamond Star DA40: 10.0 gph at cruise, 724 nautical mile published range, 5 hour 0 minute endurance, 15.0 nautical miles per gallon.
Sling TSi Mogas
7.4 gph
Baseline
1,000 nm range 20.9 nm/gal 52 gal usable $37 fuel/hr 7h 01m endurance
Sling TSi: 7.4 gph at cruise, 1,000 nautical mile published range, 7 hour 1 minute endurance, 20.9 nautical miles per gallon.
Avgas range Mogas 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:
Diamond Star DA40 Avgas
$110 /hr
Baseline
Diamond Star DA40: $110 per flight hour — fuel $65, maintenance and reserve $45.
Sling TSi Mogas
$61 /hr
Baseline
Sling TSi: $61 per flight hour — fuel $37, maintenance and reserve $24.
Diamond Star DA40 Piston
$11,221 /yr Baseline
Diamond Star DA40: $11,221 per year — insurance $2,500, hangar $6,921, annual inspection $1,800.
Sling TSi Piston
$13,550 /yr Baseline
Sling TSi: $13,550 per year — insurance $5,650, hangar $5,400, 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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Diamond Star DA40 Piston
4 / 4 seats cargo 50 gal / 50 gal fuel 550 lbs wet payload 850 lbs useful 2,646 lbs MTOW
Sling TSi Piston
4 / 4 seats cargo 52 gal / 52 gal fuel 636 lbs wet payload 948 lbs useful 2,094 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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