Cessna 170 vs Stinson 108 Voyager

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

Aircraft

Search for an aircraft above to begin your comparison.

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 Cessna 170 Cessna Stinson 108 Voyager Stinson
Stall Speed 50 kts 53 kts
Approach Speed 59 kts 70 kts
Cruise Speed 104 kts 105 kts
Range 410 nm 430 nm
Service Ceiling 15,500 ft 14,000 ft
Rate of Climb 690 fpm 770 fpm
Fuel Burn 8.0 gph 9.5 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

Based on published cruise fuel flow

Trip distance
50 nm1,0002,000 nm
Metric Cessna 170 Cessna Stinson 108 Voyager Stinson
Burn Rate
Trip Fuel
Trip Cost
Cost / hr

Trip time estimated from published cruise speed and distance. Fuel burn is a published cruise figure; actual consumption varies with altitude, loading, and conditions.

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

Cost per flight hour

Direct operating cost, split into where the money goes. Re-flows with your fuel and electricity prices above.

Scale:
Cessna 170Avgas
$115/hr
Cessna 170: $115 per flight hour — fuel $52, maintenance and reserve $63.
Stinson 108 VoyagerAvgas
$110/hr
Stinson 108 Voyager: $110 per flight hour — fuel $62, maintenance and reserve $48.

Annual costs

Annual fixed costs (insurance, hangar, and inspection) paid whether you fly or not.

Cessna 170
$10,510/yr
Cessna 170: $10,510 per year — insurance $1,800, hangar $6,210, annual inspection $2,500.
Stinson 108 Voyager
$11,028/yr
Stinson 108 Voyager: $11,028 per year — insurance $3,000, hangar $5,828, annual inspection $2,200.

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.

Occupants at 190 + 30 lb each
1
Cessna 170
4 / 4 seats 37 / 37 gal fuel 758 lb wet payload 980 lb useful 2,200 lb MTOW
Stinson 108 Voyager
4 / 4 seats 50 / 50 gal fuel 800 lb wet payload 1,100 lb useful 2,400 lb MTOW

Occupants at 190 + 30 lb each (your saved weights); change the count above. Fuel at 6.7 lb/gal jet-A, 6.0 lb/gal avgas.

Dimensions & configuration

Planforms top-down, drawn to one shared scale; configuration chips below each.

Cessna 170
36.0 × 25.0 ft 6.6 ft tall
1× Piston Conventional Unpressurized
Stinson 108 Voyager
33.9 × 24.5 ft 6.8 ft tall
1× Piston Conventional Unpressurized

Payload-Range Map

Full fuel ← → Max payload

Origin: · click map to move

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