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InterSky, legally ''Intersky Luftfahrt
GmbH (; ) is a type of Juridical person, legal entity in German-speaking countries. It is equivalent to a (Sàrl) in the Romandy, French-speaking region of Switzerland and to a (Sagl) in the Ticino, Italian-speaking region of Switzerland. It is a ...
'', was an
Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...
n
airline An airline is a company that provides civil aviation, air transport services for traveling passengers or freight (cargo). Airlines use aircraft to supply these services and may form partnerships or Airline alliance, alliances with other airlines ...
headquartered in
Bregenz Bregenz (; ) is the capital of Vorarlberg, the westernmost states of Austria, state of Austria. The city lies on the east and southeast shores of Lake Constance, the third-largest freshwater lake in Central Europe, between Switzerland in the wes ...
, which operated scheduled services from its base at
Friedrichshafen Airport Friedrichshafen Airport (, ; also known as ''Bodensee Airport Friedrichshafen'') is a minor international airport 1.9 miles (3 km) north of Friedrichshafen, Germany, on the banks of Lake Constance (German: ''Bodensee''). It is the third bi ...
,
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
, to major cities in Germany, Austria and
Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...
, as well as seasonal holiday flights to the
Mediterranean The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern ...
from other airports. The airline ceased operations on the evening of 5 November 2015 due to financial difficulties.


History


Early years

InterSky was established in November 2001 and started operations on 25 March 2002. At that time the company was owned by Renate Moser (50%), at the time the first female airline
CEO A chief executive officer (CEO), also known as a chief executive or managing director, is the top-ranking corporate officer charged with the management of an organization, usually a company or a nonprofit organization. CEOs find roles in variou ...
, Rolf Seewald (35%), the co-founder and later the owner of Austrian airline ''Rheintalflug'', and other shareholders (15%). The
Bern Bern (), or Berne (), ; ; ; . is the ''de facto'' Capital city, capital of Switzerland, referred to as the "federal city".; ; ; . According to the Swiss constitution, the Swiss Confederation intentionally has no "capital", but Bern has gov ...
location came about because then airport director, Charles Riesen, was looking across Europe for an airline that would revitalize the derelict Bern-Belp Airport. The first InterSky flight took place on March 25, 2002. Initially, it began flights between the Swiss federal capital and the cities of
Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...
and
Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...
. Supported by the owner Renate Moser, Klaus Bernatzik, who joined the company as CFO in 2003 and previously worked for Rheintalflug and Eurowings, rejected InterSky's previous strategy after suffering major losses in 2002. Following the example of British airline Flybe and under the impression of the low-cost boom that had emerged in Europe, he radically changed the business model. Later on, catering at InterSky was only available against payment and flight tickets were only available via their own website on the Internet. Within a year, the airline was in the black. In accordance with InterSky's claim to sustainable growth, investments were only financed from surpluses - rather unusual for the aviation industry. InterSky served Berlin Tempelhof Airport right from the start. When it became known that the airport would be closed at the end of 2004, Renate Moser joined several citizens initiatives to keep the airport open. Together with other airlines, she supported a legal dispute that finally guaranteed this until the end of October 2008. InterSky flew to Tempelhof until the end and on the last day before the closure, they conducted several sightseeing flights to say goodbye to the airport together with the employees. An InterSky aircraft was one of the last machines allowed to take off from Tempelhof. On one of the last Tempelhof flights, pilot Viggo Bergers said goodbye in front of hundreds of onlookers with the usual aviation wobble of the wings. In 2004, after the departure of Hahn Air Lines, InterSky starts relocate its operational base to
Friedrichshafen Airport Friedrichshafen Airport (, ; also known as ''Bodensee Airport Friedrichshafen'') is a minor international airport 1.9 miles (3 km) north of Friedrichshafen, Germany, on the banks of Lake Constance (German: ''Bodensee''). It is the third bi ...
in
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
, which was not fully utilized in Bern. Operations in FDH were profitable from day one, so the airline decided in 2005 to withdraw entirely from Bern and to relocate remaining flight operations to Friedrichshafen. Afterwards, InterSky was the largest airline in Friedrichshafen. In 2010, it was the sixth largest low-fare airline in Germany in terms of flight movements. In October 2009, the airline transported its millionth passenger. In 2010, InterSky carried 250,000 passengers, more than ever before in the company's history. As of 2010, the airline had 110 employees. In October 2010, InterSky announced it was ending its long-running route from Friedrichshafen to
Cologne Cologne ( ; ; ) is the largest city of the States of Germany, German state of North Rhine-Westphalia and the List of cities in Germany by population, fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city pr ...
due to the heavy competition from
Germanwings Germanwings GmbH was a German low-cost airline wholly owned by Lufthansa which operated under the Eurowings brand. It was based in Cologne with hubs at Cologne Bonn Airport, Stuttgart Airport, Hamburg Airport, Berlin Tegel Airport, Munich ...
which had started flying the same route a few months earlier. InterSky also postponed plans to add a fifth aircraft to the fleet. In July 2011 InterSky announced that Renate Moser and Rolf Seewald were to take over operative management after four years' absence. Claus Bernatzik, Renate Moser's son, left the company by end of the year. In August 2012 it was announced that InterSky had ordered two ATR 72-600s. The two aircraft were scheduled to be delivered in December 2012 and March 2013. These aircraft became the first ATRs to be operated by an Austrian carrier. In the same month the airline also announced plans to open a new base at Hamburg Airport. The plan was cancelled in October 2012, after OLT Express Germany also announced plans to fly between Karlsruhe/Baden-Baden and Hamburg. Since OLT Express Germany filed for bankruptcy shortly afterwards, InterSky started operating the route in March 2013 on a wet-lease contract with Avanti Air. It stopped flying the route in January 2014 after
Germanwings Germanwings GmbH was a German low-cost airline wholly owned by Lufthansa which operated under the Eurowings brand. It was based in Cologne with hubs at Cologne Bonn Airport, Stuttgart Airport, Hamburg Airport, Berlin Tegel Airport, Munich ...
announced plans to start the same route from spring 2014.


Final years

In May 2015, InterSky announced plans to open its second base at
Memmingen Airport Memmingen Airport , also known as ''Allgäu Airport Memmingen'', is an international airport in the town of Memmingerberg near Memmingen, in Bavaria, Germany. It is the smallest of the three commercial airports in the state after Munich Airport ...
by October 2015 consisting of one aircraft, adding a new route to
Cologne Cologne ( ; ; ) is the largest city of the States of Germany, German state of North Rhine-Westphalia and the List of cities in Germany by population, fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city pr ...
and increasing frequencies on existing services to Berlin and Hamburg. Later, the plan was changed to use a triangled route
Friedrichshafen Friedrichshafen ( or ; Low Alemannic: ''Hafe'' or ''Fridrichshafe'') is a city on the northern shoreline of Lake Constance (the ''Bodensee'') in Southern Germany, near the borders of both Switzerland and Austria. It is the district capital (''K ...
- Memmingen - Cologne/Bonn instead of basing an aircraft in Memmingen. On 27 October 2015, InterSky announced drastic cuts to their Friedrichshafen-Memmingen-Cologne route which had resumed just three weeks earlier. Instead of two daily flights only two flights a week were to continue due to demand being lower than expected. In September 2015, it was announced that InterSky was still loss-making and the owner, German investor Intro Aviation, planned to sell the company entirely. All flights from
Memmingen Airport Memmingen Airport , also known as ''Allgäu Airport Memmingen'', is an international airport in the town of Memmingerberg near Memmingen, in Bavaria, Germany. It is the smallest of the three commercial airports in the state after Munich Airport ...
and Zürich Airport as well as the Friedrichshafen-Düsseldorf route was terminated in immediate effect.austrianaviation.net - InterSky vor Strecken-Kahlschlag ("InterSky faces route eradication")
(German) 18 September 2015
Additionally, InterSky tries to find another usage for their two ATR72-600s whose purchase back in 2013 has been called a mistake. In October 2015, InterSky reported to be in advanced negotiations with a potential investor from Germany willing to pay 5 million Euros for the airline. Shortly after, the Austrian aviation authorities requested InterSky to provide information over their financial security by 5 November 2015. Otherwise their operational license could be revoked. On 4 November 2015, the aforementioned sale agreement fell through. In the same time, InterSky submitted the requested documents regarding their financial security to the Austrian authorities. Shortly after, the airline announced plans to go into administration while maintaining operations. However, on the evening of 5 November 2015, InterSky announced that they were forced to cease all operations immediately as the lessor of its fleet seized four of the airline's five aircraft - both ATR 72-600s and two Bombardier Dash 8 Q300s - over unpaid leasing charges on short notice.austrianaviation.net - "Intersky is grounded"
(German) 6 November 2015
All four aircraft were returned to the lessor immediately, while the remaining one - which was owned by InterSky - operated the last flight from Zürich to Graz. Previously, a potential investor declined to financially support the plans to go into administration. On 6 November 2015, the airline announced it had files for
insolvency In accounting, insolvency is the state of being unable to pay the debts, by a person or company ( debtor), at maturity; those in a state of insolvency are said to be ''insolvent''. There are two forms: cash-flow insolvency and balance-sheet i ...
. It has been reported that the airline accumulated around 5 million Euros of debt with several airports being amongst the creditors.


Destinations

InterSky operated scheduled and charter flights to the following destinations : ;
Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...
*
Graz Graz () is the capital of the Austrian Federal states of Austria, federal state of Styria and the List of cities and towns in Austria, second-largest city in Austria, after Vienna. On 1 January 2025, Graz had a population of 306,068 (343,461 inc ...
- Graz Airport *
Salzburg Salzburg is the List of cities and towns in Austria, fourth-largest city in Austria. In 2020 its population was 156,852. The city lies on the Salzach, Salzach River, near the border with Germany and at the foot of the Austrian Alps, Alps moun ...
-
Salzburg Airport Salzburg Airport , branded as ''Salzburg Airport W. A. Mozart'', is Austria's second largest airport. It serves Salzburg, the fourth-largest Austrian city, and is a gateway to Austria's numerous ski areas. The airport is loc ...
;
Croatia Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herze ...
*
Pula Pula, also known as Pola, is the largest city in Istria County, west Croatia, and the List of cities and towns in Croatia, seventh-largest city in the country, situated at the southern tip of the Istria, Istrian peninsula in western Croatia, wi ...
- Pula Airport ''seasonal'' *
Zadar Zadar ( , ), historically known as Zara (from Venetian and Italian, ; see also other names), is the oldest continuously inhabited city in Croatia. It is situated on the Adriatic Sea, at the northwestern part of Ravni Kotari region. Zadar ...
- Zadar Airport ''seasonal'' ;
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
*
Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...
-
Berlin Tegel Airport Berlin Tegel "Otto Lilienthal" Airport () was the primary international airport of Berlin, the capital of Germany. The airport was named after aviation pioneer Otto Lilienthal and was the fourth busiest airport in Germany, with over 24 millio ...
*
Cologne Cologne ( ; ; ) is the largest city of the States of Germany, German state of North Rhine-Westphalia and the List of cities in Germany by population, fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city pr ...
/
Bonn Bonn () is a federal city in the German state of North Rhine-Westphalia, located on the banks of the Rhine. With a population exceeding 300,000, it lies about south-southeast of Cologne, in the southernmost part of the Rhine-Ruhr region. This ...
-
Cologne Bonn Airport Cologne Bonn Airport () is an international airport in north-western Germany. It serves the country's fourth-largest city Cologne, as well as Bonn, the former capital of West Germany. With approximately 12.4 million passengers passing through i ...
*
Düsseldorf Düsseldorf is the capital city of North Rhine-Westphalia, the most populous state of Germany. It is the second-largest city in the state after Cologne and the List of cities in Germany with more than 100,000 inhabitants, seventh-largest city ...
-
Düsseldorf Airport Düsseldorf is the capital city of North Rhine-Westphalia, the most populous state of Germany. It is the second-largest city in the state after Cologne and the seventh-largest city in Germany, with a 2022 population of 629,047. The Düsse ...
*
Friedrichshafen Friedrichshafen ( or ; Low Alemannic: ''Hafe'' or ''Fridrichshafe'') is a city on the northern shoreline of Lake Constance (the ''Bodensee'') in Southern Germany, near the borders of both Switzerland and Austria. It is the district capital (''K ...
-
Friedrichshafen Airport Friedrichshafen Airport (, ; also known as ''Bodensee Airport Friedrichshafen'') is a minor international airport 1.9 miles (3 km) north of Friedrichshafen, Germany, on the banks of Lake Constance (German: ''Bodensee''). It is the third bi ...
base *
Hamburg Hamburg (, ; ), officially the Free and Hanseatic City of Hamburg,. is the List of cities in Germany by population, second-largest city in Germany after Berlin and List of cities in the European Union by population within city limits, 7th-lar ...
- Hamburg Airport *
Memmingen Memmingen (; Swabian German, Swabian: ''Memmenge'') is a town in Swabia (Bavaria), Swabia, Bavaria, Germany. It is the economic, educational and administrative centre of the Danube-Iller region. To the west the town is flanked by the Iller, the ...
-
Memmingen Airport Memmingen Airport , also known as ''Allgäu Airport Memmingen'', is an international airport in the town of Memmingerberg near Memmingen, in Bavaria, Germany. It is the smallest of the three commercial airports in the state after Munich Airport ...
focus city *
Munich Munich is the capital and most populous city of Bavaria, Germany. As of 30 November 2024, its population was 1,604,384, making it the third-largest city in Germany after Berlin and Hamburg. Munich is the largest city in Germany that is no ...
- Munich Airport ''seasonal'' ;
Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...
*
Naxos Naxos (; , ) is a Greek island belonging to the Cyclades island group. It is the largest island in the group. It was an important centre during the Bronze Age Cycladic Culture and in the Ancient Greek Archaic Period. The island is famous as ...
- Naxos Island National Airport ''seasonal charter'' ;
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
*
Elba Elba (, ; ) is a Mediterranean Sea, Mediterranean island in Tuscany, Italy, from the coastal town of Piombino on the Italian mainland, and the largest island of the Tuscan Archipelago. It is also part of the Arcipelago Toscano National Park, a ...
- Marina di Campo Airport ''seasonal'' ;
Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
*
Menorca Menorca or Minorca (from , later ''Minorica'') is one of the Balearic Islands located in the Mediterranean Sea belonging to Spain. Its name derives from its size, contrasting it with nearby Mallorca. Its capital is Maó, situated on the isl ...
- Menorca Airport ''seasonal'' ;
Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...
* Altenrhein - St. Gallen–Altenrhein Airport ''seasonal'' *
Zürich Zurich (; ) is the list of cities in Switzerland, largest city in Switzerland and the capital of the canton of Zurich. It is in north-central Switzerland, at the northwestern tip of Lake Zurich. , the municipality had 448,664 inhabitants. The ...
-
Zurich Airport Zurich Airport is the largest international airport of Switzerland and the airline hub, principal hub of Swiss International Air Lines. It serves Zurich, the largest city in Switzerland, and, with its surface transport links, much of the rest o ...
;
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
*
Guernsey Guernsey ( ; Guernésiais: ''Guernési''; ) is the second-largest island in the Channel Islands, located west of the Cotentin Peninsula, Normandy. It is the largest island in the Bailiwick of Guernsey, which includes five other inhabited isl ...
- Guernsey Airport ''seasonal charter'' *
Jersey Jersey ( ; ), officially the Bailiwick of Jersey, is an autonomous and self-governing island territory of the British Islands. Although as a British Crown Dependency it is not a sovereign state, it has its own distinguishing civil and gov ...
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Jersey Airport Jersey Airport is an international airport located in the parish of Saint Peter, west northwest of Saint Helier in Jersey, in the Channel Islands. History Foundation and early years Air service to Jersey before 1937 consisted of biplane airl ...
''seasonal charter''


Fleet

As of 5 November 2015, on its last day of operations, the InterSky fleet consisted of the following aircraft:ch-aviation.com - InterSky
retrieved 6 November 2015


References


External links

* {{Airlines of Austria Defunct airlines of Austria Airlines established in 2001 Airlines disestablished in 2015 Austrian companies established in 2001 2015 disestablishments in Austria Economy of Vorarlberg