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			850-0290
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			info@principalair.ca |  | Unit D 30460 Liberator 
			Ave. (Just past the Main Terminal)
 Abbotsford International 
			Airport
 V2T 6H5
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			7.13 A helicopter in forward flight produces 
			hazardous vortices 
						which rise above the helicopter.                                           
						similar to wing tip vortices.                                           
						which remains at the same level as the helicopter.                                           
						ahead of the helicopter.  |  
				
					| Reference: | 
						AIM - AIR 2. 9 
					- Wake Turbulence 
					
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