The Dutch King had a secret life in which he flew as a co-pilot for 21 yrs

Willem-Alexander became king in 2013 after his mother, Queen Beatrix, abdicated at age 75

The King of the Netherlands, Willem-Alexander has revealed that for more than two decades he has, alongside his royal duties, held down a part-time second job.
 

According to a report of Sky News, King Willem-Alexander said that he recently ended his role as a regular “guest pilot” after 21 years on KLM’s fleet of Fokker 70 planes and before that on Dutch carrier Martinair. He described his casual flights as a "hobby." 

In an interview with De Telegraaf newspaper, he said that he was seldom recognized in uniform, particularly after the September 11 terrorist attacks, when safety protocols were introduced