Computations Page

The following information was used to compute the various charts and figures contained within this web site. Read Disclaimer.

Performance Data
All data for the standard Cessna 206 was taken directly from a 1975 U206F Owners Manual. Data for the ST350HP was taken from actual flight test data acquired over several different flight tests using two different aircraft operated by two different companies. Both of these aircraft were U206G models, equipped with Flint wing tip tanks and tested at a gross weight of 3,800 pounds. This data was then averaged and reduced to reflect overall conservative performance figures. Jump-run times assumes the ST350HP is equipped with speed brakes to reduce the descent time and allow for a higher descent power setting, thereby reducing the chance of shock cooling.

Operating Costs
Airframe TBO of 5000 hours at a cost of $20,000 for both aircraft.
Engine (TCM) TBO for the 206 is 1700 hours at a cost of $22,000
Engine (Lycoming) TBO for the ST350HP 206 is 1800 hours at a cost of $30,000.
Top End overhaul for the 206 is at 850 hours (mid-time) at a cost of $7,000.
Top End overhaul for the ST350HP is is at 900 hours (mid-time) at a cost of $7,500
Propeller TBO of 1750 hours at a cost of $3,500 for both aircraft.
Fuel Burn for the 206 is 20 GPH at a cost of $3.50 per Gallon.
Fuel Burn for the ST350HP 206 is 30 GPH at a cost of $3.50 per Gallon.
Maintenance is at a shop rate of $75 per hour for both aircraft.
The 206 cost is $1,875 per 100 hours.
The ST3250HP cost is $2,250 per 100 hours.

 

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