Question: What small regional airport is situated south-west to the village of Irthington?

full_context: Document 1: Isle of Man Airport: Isle of Man Airport (also known as Ronaldsway Airport, Manx: Purt Aer Vannin) (IATA: IOM, ICAO: EGNS) , is the main civilian airport on the Isle of Man. It is located in the south of the island at Ronaldsway near Castletown, 6 NM southwest of Douglas, the island's capital. Along with the Isle of Man Sea Terminal, it is one of the two main gateways to the island. The airport has scheduled services to the United Kingdom and the Republic of Ireland as well as seasonal routes to Switzerland.
Document 2: Irton with Santon: Irton with Santon is a civil parish in Copeland, Cumbria, England, which includes the village of Santon Bridge. It has a parish council. In the 2011 census it was recorded as having a population of 316.
Document 3: Arthuret: Arthuret is a civil parish in the Carlisle district of Cumbria, England. According to the 2001 census it had a population of 2,434, increasing to 2,471 at the 2011 Census. The parish includes the small town of Longtown and the village of Easton. It is bounded by the River Esk to the west and the River Lyne to the south.
Document 4: Irton Cross: Irton Cross is an Anglo-Saxon cross in the graveyard of St Paul's Church, Irton with Santon, Cumbria, England. Dating from the early 9th century, it lies chronologically between the Bewcastle Cross and the Gosforth cross and has greater affinity with the earlier Anglo-Roman style of Bewcastle.
Document 5: Illington: Illington is a village and former civil parish in the English county of Norfolk. The population is now included in the civil parish of Wretham. The village is 6.2 miles north east of Thetford, 24 miles west south west of Norwich and 92.3 miles north east of London. The nearest railway station is at Thetford for the Breckland Line which runs between Cambridge and Norwich. The nearest airport is Norwich International Airport.
Document 6: Carlisle railway station: Carlisle railway station, also known as Carlisle Citadel station, is a Grade II* listed railway station serving the city of Carlisle, Cumbria, England, and is a major station on the West Coast Main Line, lying 102 mi south east of Glasgow Central , and 299 mi north north west of London Euston . It is also the northern terminus of the celebrated Settle and Carlisle Line – notionally (and historically) a continuation of the Midland Main Line from Leeds , Sheffield and ultimately London St Pancras .
Document 7: Elizabeth City Regional Airport: Elizabeth City Regional Airport (IATA: ECG, ICAO: KECG, FAA LID: ECG) is a joint civil-military public and military use airport located three nautical miles (6 km) southeast of the central business district of Elizabeth City, in Pasquotank County, North Carolina, United States. The airport, on the shore of the Pasquotank River, is also known as Elizabeth City-Pasquotank County Regional Airport or ECG Regional Airport. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility.
Document 8: Irthington: Irthington is a village and civil parish within the City of Carlisle district in Cumbria, England, situated to the north-east of Carlisle Lake District Airport. The population in 2011 was 860 according to the 2011 census.
Document 9: East Midlands Airport: East Midlands Airport (IATA: EMA, ICAO: EGNX) is an international airport in the East Midlands of England, located in Leicestershire close to Castle Donington. It lies between the cities of Derby (13.5 mi ), Nottingham (15 mi ) and Leicester (20 mi ).
Document 10: Carlisle Castle: Carlisle Castle is situated in Carlisle, in the English county of Cumbria, near the ruins of Hadrian's Wall. The castle is over 900 years old and has been the scene of many historical episodes in British history. Given the proximity of Carlisle to the border between England and Scotland, it has been the centre of many wars and invasions. Today the castle is managed by English Heritage and is open to the public. The castle until recently was the administrative headquarters of the former King's Own Royal Border Regiment now county headquarters to the Duke of Lancaster's Regiment and a museum to the regiment is within the castle walls.
Document 11: Irton Pike: Irton Pike is a hill in the west of the English Lake District, near Santon Bridge, Cumbria. It is the subject of a chapter of Wainwright's book "The Outlying Fells of Lakeland". It reaches 751 ft and Wainwright's walk is an anticlockwise circuit from Irton Road station on the Ravenglass and Eskdale Railway, near Eskdale Green. He describes ""this tiny top"" as ""a near-perfect solace for reminscences of past happy days on the higher fells"", adding ""Climb Irton Pike while ye may!""
Document 12: Listed buildings in Irton with Santon: Irton with Santon is a civil parish in the Borough of Copeland, Cumbria, England. It contains 17 listed buildings that are recorded in the National Heritage List for England. Of these, two are listed at Grade II*, the middle of the three grades, and the others are at Grade II, the lowest grade. The parish is in the Lake District National Park. It contains the villages of Irton and Santon Bridge, and is otherwise rural. In the parish is the country house of Irton Hall, which incorporates a medieval tower house, and also has a clock tower; all of these are listed. The other listed buildings include houses, farmhouses, farm buildings, a church with a memorial in its churchyard, two bridges, a summer house, and an inn.
Document 13: Carlisle Lake District Airport: Carlisle Lake District Airport (IATA: CAX, ICAO: EGNC) is a small regional airport located 5 NM east northeast of Carlisle, Cumbria, England.
Document 14: Cargo, Cumbria: Cargo is a small village near the river Eden on the Solway Plain. Cargo is about 3+1/2 mi northwest of Carlisle in Cumbria in the North West of England. The name Cargo reflects a combination of two languages; from the Celtic word "carreg" meaning "rock" and from the Old Norse word "haugr" meaning "hill".
Document 15: Ingworth: Ingworth is a village and a civil parish in the English county of Norfolk. the nearest town is Aylsham which is 1.7 mi south of the village. The village is 14.3 mi north of Norwich, 7.3 mi east of North Walsham and 9 mi south-southwest of Cromer on the north Norfolk coast. The nearest railway station is at North Walsham Railway station where the Bittern Line from Cromer to Norwich can be accessed and the national rail network beyond. The nearest airport is Norwich International Airport. The village lies a 0.9 mi east of the A140 Cromer to Norwich road. The Village and parish of Ingworth had in the 2001 census, a population of 94. For the purposes of local government, the Hamlet falls within the district of North Norfolk. The population taken at the 2011 Census remained less than 100 and was included in the civil parish of Erpingham.
ground_truth: Carlisle Lake District Airport