Question: Easter Airways' head office is located at which airport owned by Manchester Airports Group?

Passages:
Manchester Interchange is a planned HS2 station at Manchester Airport, on the southern boundary of Manchester, next to Junction 5 of the M56 motorway on the northern side of the airport 1.5 mi north-west of Manchester Airport railway station.  Manchester Airport is the busiest airport outside the London region and offers more destinations than any other British airport.  An airport station was recommended by local authorities during the consultation stage.  The government agreed in January 2013 for an airport station but agreed only on the basis that private investment was involved, such as funding from the Manchester Airports Group to build the station.  The average journey from London Euston to Manchester Airport would be 63 minutes.  The Government approved the scheme in November 2016. Islay Airport (IATA: ILY, ICAO: EGPI) (also known as Glenegedale Airport) is located 4.5 NM north northwest of Port Ellen on the island of Islay in Argyll and Bute, off the west coast of Scotland.  It is a small rural airport owned and maintained by Highlands and Islands Airports Limited.  Today the airport is used for scheduled services to the Scottish mainland, and for air ambulances. Thai Airways Company or Thai Airways (TAC; Thai: เดินอากาศไทย ) was the domestic flag carrier of Thailand.  Its main base was the domestic terminal at Don Mueang International Airport, then known as Bangkok International Airport.  Its head office was located in Pom Prap Sattru Phai, Bangkok.  In 1988 Thai Airways merged to become Thai Airways International (Thai: การบินไทย ). Malaysia Airports Holdings Berhad () is a Malaysian airport company that manages most of the airports in Malaysia.  The firm was recently awarded the duty to manage airports in international destinations.  It has its head office in the Malaysia Airports Corporate Office in the Persiaran Korporat KLIA in Kuala Lumpur International Airport (KLIA), Sepang, Selangor. The Waterside building in Harmondsworth, London, is the international head office of British Airways; it also houses the operational head office of BA's parent company, International Airlines Group (IAG).  The building, which cost £200 million, is located on Harmondsworth Moor, northwest of Heathrow Airport, between the M4 and the M25 motorways.  Waterside is on the western edge of London, near West Drayton and Uxbridge, in the Borough of Hillingdon Air Kilroe Limited, trading as Eastern Airways, is a British airline whose head office is at Humberside Airport in Kirmington, North Lincolnshire, England.  It operates scheduled domestic and international services and private charter services.  Around 800,000 passengers a year are carried on the scheduled route network. Humberside Airport (IATA: HUY, ICAO: EGNJ) is an international airport situated at Kirmington in the Borough of North Lincolnshire, England, 10 NM west of Grimsby and around 15 mi from both Kingston upon Hull and Scunthorpe, on the A18.  Humberside Airport was owned by Manchester Airports Group (the largest UK-owned airport group) from 1999 until 1 August 2012, when it was sold to the Eastern Group of companies.  North Lincolnshire Council retains a minority of shares in the Airport. Airlink was the brand name of a helicopter shuttle service which ran between London's two main airports, Gatwick and Heathrow, between 1978 and 1986.  Operated jointly by British Caledonian Airways and British Airways Helicopters using a Sikorsky S-61 owned by the British Airports Authority, the "curious and unique operation" connected the rapidly growing airports in the years before the M25 motorway existed.  Although at one point the service was granted a licence to operate until 1994, the Secretary of State for Transport intervened and revoked the licence with effect from February 1986—by which time the continued existence of the link had become "a highly controversial issue" debated by Members of Parliament, airlines, airport operators, local authorities and many other interest groups.  No similar service has operated between the airports since Airlink's cessation. The Manchester Airports Group plc (MAG) is a holding company which is owned by the ten metropolitan borough councils of Greater Manchester, in North West England, and Australian investment fund IFM Investors.  Founded in 2001 following the acquisition of East Midlands Airport, MAG is the largest UK-owned airport operator, following the purchase of BAA by Spain's Ferrovial Group in 2006.  The Group owns four British airports, Bournemouth, East Midlands and Manchester Airport which is the busiest airport outside the London region, as well as London Stansted Airport.  In 2014, 47.1 million passengers used Manchester Airports Group BA CityFlyer is a wholly owned subsidiary airline of British Airways with its head office in Didsbury, Manchester, England.  It operates a network of domestic and European services from its main base at London City Airport.  In 2016, BA Cityflyer also began operations from London Stansted Airport.  In 2017 BA Cityflyer starts services from Manchester, Birmingham and Bristol.  This marks the return of BA to the regions after an absence of nearly 10 years.  All services operate with BA's full colours, titles and flight numbers.

Supporting sentences:
Humberside Airport (IATA: HUY, ICAO: EGNJ) is an international airport situated at Kirmington in the Borough of North Lincolnshire, England, 10 NM west of Grimsby and around 15 mi from both Kingston upon Hull and Scunthorpe, on the A18.  Humberside Airport was owned by Manchester Airports Group (the largest UK-owned airport group) from 1999 until 1 August 2012, when it was sold to the Eastern Group of companies.