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Multi-engine

Piper PA-44 Seminole CO₂ emissions per flight hour

The Piper PA-44 Seminole is a four-seat light twin with a T-tail and counter-rotating propellers, used by many flight schools for multi-engine training. The figure covers both 180 hp engines together. At a typical fuel flow of 23.4 US gallons (89 L) of avgas per hour, a Piper PA-44 Seminole puts about 194 kg of CO₂ into the air for every hour flown.

CO₂ per flight hour
194 kg
Fuel flow
23.4 US gal/h (89 L/h)
Cost to offset one hour
$6.98
Aircraft
4 seats, 2 × 180 hp

A year of flying in a Piper PA-44 Seminole

Hours flownCO₂Cost to offset
25 h4.85 t$152.78
50 h9.70 t$288.58
100 h19.40 tContact us
200 h38.80 tContact us

Costs are for the yearly plan, from $0.035 per kg with lower rates as the amount grows. The monthly plan is $0.036 per kg, and one tonne once is $40.

On the monthly plan, offsetting an hour in a Piper PA-44 Seminole costs about $6.98. See plans

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How the Piper PA-44 Seminole compares

CO₂ per flight hour for common piston aircraft, at typical cruise fuel flow.

How we calculate this

Burning one US gallon of avgas releases about 8.31 kg of CO₂, so CO₂ per hour is fuel flow multiplied by 8.31. The figure covers combustion only, not producing or transporting the fuel.

Your real fuel flow depends on power setting, mixture, altitude and how much of the hour you spend climbing. If your logs give you an average burn, multiply it by 8.31 for a closer number.

Offset the CO₂ from every hour you fly

Retire rated carbon credits for the CO₂ your flights emit. Pick your aircraft and hours, and get a certificate for every order.