Question: Donecle is a Toulouse-based aircraft manufacturer which develops autonomous aircraft inspection UAVs, the company works with airlines such as KLM Royal Dutch Airlines, legally "Koninklijke Luchtvaart Maatschappij N.V.", is the flag carrier airline of which country?

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1946 KLM Douglas DC-3 Amsterdam accident: The 1946 KLM Douglas DC-3 Amsterdam accident was the crash of a KLM Royal Dutch Airlines flight from London to Amsterdam on 14 November 1946.  The accident occurred as the Douglas DC-3 was attempting to land at Amsterdam's airport in poor weather.  All 26 passengers and crew on board were killed in the accident.

KLM: KLM Royal Dutch Airlines, legally "Koninklijke Luchtvaart Maatschappij N.V.", is the flag carrier airline of the Netherlands.  KLM is headquartered in Amstelveen, with its hub at nearby Amsterdam Airport Schiphol.  It is part of the Air France–KLM group, and is a member of the SkyTeam airline alliance.  KLM was founded in 1919; it is the oldest airline in the world still operating under its original name and had 32,505 employees as of 2013 .  KLM operates scheduled passenger and cargo services to 145 destinations.

Jacob Veldhuyzen van Zanten: Jacob Louis Veldhuyzen van Zanten (5 February 1927 – 27 March 1977) was a Dutch aircraft captain and flight instructor.  He was the captain of the KLM Royal Dutch Airlines Boeing 747 which was involved in the Tenerife airport disaster, the deadliest accident in aviation history.

Cygnific B.V.: Cygnific B.V., a pan-European service provider is a subsidiary of KLM Royal Dutch Airlines that was founded in 1998.  Cygnific is based in Amsterdam but also has a service centre in Enschede.  About 700 employees assist customers and travel agents in a variety of countries and languages.  By carrying out reservations, providing general information and supporting the KLM website Cygnific handles every year approximately 3 million transactions.

1947 KLM Douglas DC-3 Copenhagen accident: The 1947 KLM Douglas DC-3 Copenhagen accident was the crash of a KLM Royal Dutch Airlines flight from Amsterdam to Stockholm via Copenhagen on 26 January.  The accident occurred shortly after the Douglas DC-3 took off from Kastrup in Denmark.  All 22 passengers and crew on board were killed in the accident.

Groninger Luchtvaart Maatschappij: The Groninger Luchtvaart Maatschappij (GLM) was a Dutch start-up airline which aimed to start operations in 2013 from Groningen Airport Eelde with a twice daily service to London Southend Airport.  Plans include flights to Copenhagen, Brussel and Paris.  The airline is yet to acquire any aircraft and has yet to advertise any routes for sale.  GLM has joined the Join!  Regional Airlines start up initiative to help get the airline started with leased aircraft.

Donecle: Donecle is a Toulouse-based aircraft manufacturer which develops autonomous aircraft inspection UAVs.  The company offers single UAV or swarm of UAVs to visually inspect airliners with high resolution cameras.  The company works with airlines such as Air France Industries-KLM and is one of the players in the field aeronautical maintenance automation.

KNILM: Koninklijke Nederlandsch-Indische Luchtvaart Maatschappij (in English: Royal Dutch Indies Airways) was the airline of the former Dutch East Indies.  Headquartered in Amsterdam, KNILM was "not" a subsidiary of the better-known KLM (Royal Dutch Airlines), despite the similar name.  The airline had its headquarters in Amsterdam and an office in Batavia (current Jakarta).

Aruba Airlines: Arubaanse Luchtvaart Maatschappij N.V., operating as Aruba Airlines, is an airline headquartered in Oranjestad, Aruba.  Established in 2006, it has a fleet of four aircraft and 300 employees as of July 2016.

Surinam Airways: Surinam Airways (Dutch: "Surinaamse Luchtvaart Maatschappij" ), also known by its initials "SLM", is the flag carrier of Suriname, based in Paramaribo.  It operates regional and long-haul scheduled passenger services.  Its hub is at Johan Adolf Pengel International Airport.

Supporting paragraphs: Donecle KLM
Answer: Netherlands