Question: On which island is found the main hub of the airline formerly known as Air Pacific?
Context: Jacksons International Airport (IATA: POM, ICAO: AYPY) , also known as Port Moresby Airport, is located 8 kilometres (5 miles) outside Port Moresby, in Papua New Guinea.  It is the largest and busiest airport in Papua New Guinea and is the main hub for Air Niugini, the national airline of Papua New Guinea, as well as the main hub for PNG Air and Travel Air.  It replaced the original Port Moresby airport, in what is now the suburb of Waigani, whose airstrip remained until the 1990s but no trace of which is now there, it having been built over. Prince Edward Air Ltd. is an airline formerly headquartered in Charlottetown, Prince Edward Island, Canada.  The airline offered a variety of services including: scheduled cargo, ad-hoc charter, air medevac, maintenance, sales and service. Air Serbia (stylized as AirSERBIA; Serbian: Ер Србија / "Er Srbija" ) is the flag carrier of Serbia.  The company's head office is in Belgrade, Serbia, and its main hub is Belgrade Nikola Tesla Airport. <ref name="Belgrade Airport, with resurgent Air Serbia, challenges the hub order in Central/Southeast Europe">  </ref> In 2016, it was the fourth-largest legacy carrier in Central and Eastern Europe.  The airline was formerly known as Jat Airways until it was renamed and commenced operations under its new name in 2013. "For the Mexican airline formerly known as Aerolitoral, see Aeromexico Connect" Hong Kong Dragon Airlines Ltd (Chinese: 港龍航空公司), operating brand as Cathay Dragon (Chinese: 國泰港龍航空) and previously as Dragonair, is a Hong Kong-based international regional airline, with its corporate headquarters, Cathay Dragon House, and main hub at Hong Kong International Airport.  As of 30 October 2013, the airline operates a scheduled passenger network to 44 destinations in 13 countries and territories across Asia.  Additionally, the airline has 3 codeshares on routes which are served by partner airlines.  It has an all Airbus fleet of 41 aircraft, consisting of A320s, A321s and A330s. Cathay Dragon is a wholly owned subsidiary of Hong Kong's flag carrier, Cathay Pacific, and is an affiliate member of the Oneworld airline alliance.  The airline was founded on May 24, 1985 by Chao Kuang Piu, the airline's present honorary chairman.  Its maiden flight departed Hong Kong for Kota Kinabalu, Malaysia after being granted an air operator's certificate (AOC) by the Hong Kong Government in July 1985.  In 2010, Dragonair, together with its parent, Cathay Pacific, operated over 138,000 flights, carried nearly 27 million passengers and over 1.80 billion kg of cargo and mail. Nadi International Airport (IATA: NAN, ICAO: NFFN) is the main international airport for the Republic of Fiji as well as an important regional hub for the South Pacific islands, located by the coast on the western side of the main island Viti Levu.  It is the main hub of Fiji Airways and its domestic and regional subsidiary Fiji Link.  The airport is 10 km from the city of Nadi and 20 km from the city of Lautoka.  In 2014, it handled 1,984,898 passengers on international and domestic flights.  It handles about 97% of international visitors to Fiji, of which are 85% tourists.  Despite being Fiji's main airport, it is quite far away, about 192 km northwest of the country's capital Suva and its airport, Nausori International Airport. Air Pacific was a commuter airline based in the United States that operated regional flights wholly within the state of California.  Founded as Eureka Aero in 1970, it was renamed Air Pacific in 1979.  Its de Havilland Canada DHC-6 Twin Otter and DHC-7 Dash 7 turboprop aircraft were capable of STOL (short takeoff and landing) operations. Xpress Air established itself as a Domestic Regular Airline that offers direct flights to the Eastern parts of Indonesia, with its first leap in the year 2005 and from 2014 served international routes to Malaysia.  Beginning with its two Boeing 737s, Xpress Air became the first privately owned, scheduled airline that connects Jakarta to 24 domestic destinations like Makassar (formerly known as Ujung Pandang), Ternate, Sorong, Manokwari, and Jayapura.  Makassar serves as a main hub for all flights coming from Java islands to the Eastern cities of Indonesia, while Sorong serves as a second hub in Papua, connecting remote places surrounding West Papua Area. Air Pacific Limited, trading as Fiji Airways (and formerly as Air Pacific), is the flag carrier airline of Fiji.  It is based in Nadi and operates international and domestic services to 10 countries and 17 cities around the Pacific Ocean, including Oceania, the United States and Hong Kong.  Fiji Airways annually transports almost two-thirds of the visitors to the country. Olympic Air S.A. (Greek: Ολυμπιακή ) is a regional airline, a subsidiary of the Greek airline carrier Aegean Airlines.  It was initially formed from the privatization of the former Greek national carrier Olympic Airlines, a company that carried the name Olympic Airways from 1957 to the beginning of the 21st century.  Olympic Air commenced limited operations on 29 September 2009, after Olympic Airlines ceased all operations, with the official full-scale opening of the company taking place two days later on 1 October 2009.  Its main hub is Athens International Airport, with Rhodes International Airport serving as secondary hub.  The airline's headquarters are in Building 57 at Athens International Airport in Spata, and its registered seat is in Koropi, Kropia, East Attica.
Answer: Viti Levu