Fairchild Swearingen Merlin IIIB vs Mitsubishi Marquise/Solitaire

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

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Fairchild Swearingen Merlin IIIB
46.3 × 42.2 ft 16.7 ft tall
2× Turboprop Retractable Pressurized
Mitsubishi Marquise/Solitaire
39.2 × 39.4 ft 13.7 ft tall
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 Fairchild Swearingen Merlin IIIBMitsubishi Marquise/Solitaire
Stall speed 71 kt81 kt
Approach speed 92 kt105 kt
Cruise speed 280 kt295 kt
Range 1938 nm1395 nm
Service ceiling 31000 ft29750 ft
Rate of climb 2650 fpm2200 fpm
Fuel burn 100.0 gph74.0 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.

Fairchild Swearingen Merlin IIIB Jet A
100.0 gph
Baseline
1,938 nm range 2.8 nm/gal 648 gal usable $600 fuel/hr 6h 28m endurance
Fairchild Swearingen Merlin IIIB: 100.0 gallons per hour at cruise, 1,938 nautical mile published range, 6 hour 28 minute endurance, 2.8 nautical miles per gallon.
Mitsubishi Marquise/Solitaire Jet A
74.0 gph
Baseline
1,395 nm range 4.0 nm/gal 367 gal usable $444 fuel/hr 4h 57m endurance
Mitsubishi Marquise/Solitaire: 74.0 gallons per hour at cruise, 1,395 nautical mile published range, 4 hour 57 minute endurance, 4.0 nautical miles per gallon.
Jet A 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:
$1,179 /hr
Baseline
Fairchild Swearingen Merlin IIIB: $1,179 per flight hour — fuel $600, maintenance and reserve $579.
$444 /hr
Baseline
Mitsubishi Marquise/Solitaire: $444 per flight hour — fuel $444, maintenance and reserve $0.
$26,458 /yr Baseline
Fairchild Swearingen Merlin IIIB: $26,458 per year — insurance $12,000, hangar $11,958, annual inspection $2,500.
$12,330 /yr Baseline
Mitsubishi Marquise/Solitaire: $12,330 per year — insurance withheld, hangar $9,830, annual inspection $2,500.

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.

lb

+ lb / pax

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Fairchild Swearingen Merlin IIIB
11 / 11 seats 648 / 648 gal fuel 213 lb wet payload 4,555 lb useful 12,500 lb MTOW
Mitsubishi Marquise/Solitaire
11 / 11 seats 367 / 367 gal fuel 1,466 lb wet payload 3,925 lb useful 11,575 lb MTOW

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

Payload-Range Map

Origin: · two fingers to move map

lb

+ lb / pax

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