2 do

http://r44.helicopterflight.net/

Robinson R44 - $205.56 per hour if you fly 500 hours per year, $416.56 per hour if you fly 100 hours per year

http://answers.yahoo.com/question/index?qid=20080917001316AAAdGDd

For the 407, Bell Helicopter lists the hourly operating costs as $431./ average direct operating cost US$307 per hour (1999).

For the 429, they don't have a specs document available yet. A similar helicopter is the 427. Its hourly cost is shown as $612.

the costs given do not include insurance, hangar, pilot, etc.

Figure on approx. 300-500 bucks per hour for fuel and pro-rated maintenance

http://legisweb.state.wy.us/2007/interim/airtrans/MINUTES/min0814.htm

http://www.planet.aero/catalogue/hdata/details_helicopter?hid=22

Direct operating cost (USD/hour)

Bell 407 - $422

Bell 206 B3 - $260

Bell 206 l4 - $329

Eurocopter AS 350B3 Ecureuil - $175

http://www.airtechnology.be/Air_Technology_Belgium/B206L_files/206L4.pdf

Direct Cost – Fuel, Basic Airframe maintenance, powerplant maintenance

Indirect Cost – Insurance, Facilities, Crew compensation, Funding type factor, Misc(staff exp, utilities, office exp etc)

http://www.helicopters.lv/helicopters/english/pardosana/index.html