<P> With numerous skyscrapers and mountains located to the north and its only runway jutting out into Victoria Harbour, landings at the airport were dramatic to experience and technically demanding for pilots . The History Channel programme Most Extreme Airports ranked it as the 6th most dangerous airport in the world . </P> <P> The airport was home to Hong Kong's international carrier Cathay Pacific, as well as regional carrier Dragonair, freight airline Air Hong Kong and Hong Kong Airways . The airport was also home to the former RAF Kai Tak . </P> <P> Kai Tak was located on the west side of Kowloon Bay in Kowloon, Hong Kong . The area is surrounded by rugged mountains . Less than 4 km (2.5 mi) to the north and northeast of the former runway 13 threshold is a range of hills reaching an elevation of 2,000 ft (610 m). To the east of the former 31 threshold, the hills are less than 3 km (1.9 mi) away . Immediately to the south of the airport is Victoria Harbour, and farther south is Hong Kong Island with hills up to 2,100 ft (640 m). </P> <P> When Kai Tak closed, there was only one runway in use, numbered 13 / 31 and oriented southeast / northwest (134 / 314 degrees true, 136 / 316 degrees magnetic). The runway was made by reclaiming land from the harbour and was extended several times after its initial construction . The runway was 3,390 m (11,120 ft) long when the airport closed . </P>

Where did hong kong airport used to be