Hi there - not sure what the requirements are but have you checked out:-
AERIAL SURVEY
pipeline patrols, photography for map-making and oil exploration
AGRICULTURE
protecting crops and forests - crop-dusting
AIR-TAXI
GLIDER-TOWING
BANNER-TOWING!!!
THOSE REALLY SMALL SIGHT-SEEING OUTFITS IN THE OUTBACK, that takes backpackers on a 1hr jolly looking at the scenery.
DELIVERY
of mail, newspapers and essential items to really remote areas of countries with poor land infrastructure.
CHARITY - some org. arrange trips for disabled and disavataged young people etc.
Just a few ideas, but like I said I have no idea what qualifications you'll need for the above