Here are some quick Facts'''Quick References:'''<BR>Hong Kong Runway Dimension: 3800 x 60 M <BR>Hong Kong Aerodrome elevation -28 ft <BR>Source: AIP HONG KONG AD 2.12<BR><HR>'''Altitude'''- the vertical distance of an aircraft above mean sea level (MSL) <BR>'''Elevation'''- the vertical distance of the object fixed to earth from the mean sea level eg. Aerodrome<BR>'''Height''' - the vertical distance of an aircraft above ground level depending on a datum/reference point <BR>1 hPa = 30 FT<BR>