Tinson Pen Aerodrome (IATA: KTP, ICAO: MKTP) in Kingston, Jamaica is the largest of Jamaica's three domestic airports. It is located on Marcus Garvey Drive, a major highway that links Kingston to the nearby residential community of Portmore. The airport is also located near the Kingston Free Zone, a transshipment port. The airport caters mainly to business travellers. The airport also provides a vital commercial link between the cities of Kingston and Montego Bay.

Tinson Pen Aerodrome handled approximately 92,091 passengers in 2001. The airport formerly had scheduled passenger service provided by Air Jamaica Express and International AirLink.

The airport is at an elevation of 16 ft (5 m) above mean sea level. It has one runway designated 14/32 with an asphalt surface measuring 4,300 × 100 ft (1,311 × 30 m). There is a 100LL fueling station and the airport supports night flight operations.

The following table shows the number of passengers using the airport annually from 1997 through 2001.

A busy signal (or busy tone or engaged tone) in telephony is an audible or visual signal to the calling party that indicates failure to complete the requested connection of that particular telephone call.

There are several distinctly different types of busy signals:

Many different countries have different signalling tones that act as "busy signals".