Piper Navajo PA-31 vs Piper PA-31P-350 Mojave

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

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Piper Navajo PA-31
40.7 × 32.6 ft 13.0 ft tall
2× Piston Retractable Unpressurized
Piper PA-31P-350 Mojave
44.5 × 34.5 ft 13.0 ft tall
2× Piston Retractable Pressurized

Mission Performance

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

Mission performance specifications
Specification Piper Navajo PA-31Piper PA-31P-350 Mojave
Stall speed 70 kt75 kt
Approach speed 95 kt90 kt
Cruise speed 215 kt220 kt
Range 1011 nm1190 nm
Service ceiling 26300 ft26500 ft
Rate of climb 1445 fpm1445 fpm
Fuel burn 36.5 gph42.0 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.

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.

Fuel Burn & Range

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

Piper Navajo PA-31 Avgas
36.5 gph
Baseline
1,011 nm range 192 gal usable 5.9 nm/gal $237 fuel/hr 5h 15m endurance
Piper Navajo PA-31: 36.5 gallons per hour at cruise, 1,011 nautical mile published range, 5 hour 15 minute endurance, 5.9 nautical miles per gallon.
Piper PA-31P-350 Mojave Avgas
42.0 gph
Baseline
1,190 nm range 238 gal usable 5.2 nm/gal $273 fuel/hr 5h 40m endurance
Piper PA-31P-350 Mojave: 42.0 gallons per hour at cruise, 1,190 nautical mile published range, 5 hour 40 minute endurance, 5.2 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:
$364 /hr
Baseline
Piper Navajo PA-31: $364 per flight hour — fuel $237, maintenance and reserve $127.
$392 /hr
Baseline
Piper PA-31P-350 Mojave: $392 per flight hour — fuel $273, maintenance and reserve $119.
$12,997 /yr Baseline
Piper Navajo PA-31: $12,997 per year — insurance $3,942, hangar $6,000, annual inspection $3,055.
$14,498 /yr Baseline
Piper PA-31P-350 Mojave: $14,498 per year — insurance $5,443, hangar $6,000, annual inspection $3,055.

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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Piper Navajo PA-31
8 / 8 seats 192 / 192 gal fuel 1,418 lb wet payload 2,570 lb useful 6,500 lb MTOW
Piper PA-31P-350 Mojave
7 / 7 seats 238 / 238 gal fuel 702 lb wet payload 2,130 lb useful 7,200 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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1

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