[airframe] - Type	Class	Weight From (lbs)	To (lbs)
[F] - Jet Airliner	Light	0	20,000
	Medium	20,001	35,000
	Heavy	35,001	up
[F] - Business Jet	Very Light Jet	0	10,000
	Light	10,001	20,000
	Medium	20,001	35,000
	Heavy	35,001	up
[F] - Piston	Light	0	10,000
	Medium	10,001	12,000
	Heavy	12,001	up
[F] - Turboprop	Light	0	10,000
	Medium	10,001	12,000
	Heavy	12,001	up
[R] - Piston	Light	0	6,000
	Medium	6,001	12,500
	Heavy	12,501	up
[R] - Turbine	Light	0	6,000
	Medium	6,001	12,500
	Heavy	12,501	up