City / Urban area and additional contract in career mode

Heli pad on top of sky scraper and having relatively small size limit
Airport with some tall buildings and hills nearby
commercial flight contract
carrying lots of passengers and having strict acceleration limit and fuel cost limit
occasional down wash / tail or cross wind
flight operation in fog / rain / storm
urban flight contract with size and noise level limit
aerial fire fighting, rescue, large structure transport contract
racing circuit
short runway on island