The Flying King....
He needs to maintain his skills/lincence by clocking hours in the same aircraft as the licence is for, obviously.
The government's airplane is (was) a Fokker 70, the PH-KBX (it was recently sold), and the older KLM Cityhopper planes were also Fokker 70s. These are now replaced by Embraers. I'm not sure if you can fly these Embraers with the Fokker licence, but as it happens, WAX decided some time ago he wanted bigger, better, cooler, faster, and started working on his 737 licence. Of course KLM is happy to provide the good lad with the opportunity to clock his practice hours + maintenance hours.
How big a coincidence then, that the government (after a looooong process, caused by the need for less refuelling stops on intercontinental trips and a plane that could reach the Antilles non-stop) decided to purchase a Boeing 737, for the hefty sum op 89 million euros?!
The alternative, IIRC an Airbus (European....), would have cost about 18 million euros less. And here's the fun part: authorities deny and deny again that the fact that Wax is practicing for a licence in, oh, what number Boeing was that again, has anything to do with the decision.
According to their own website, the active KLM fleet is currently 118 aircraft, thereof only 13 are Airbus. They have 50 Boeing 737 on duty. All their Fokkers are reported off duty.
I cannot imagine that the governments decision to buy a 737 was made solely to allow Wax to fly the government plane, as he would certainly not be able to pile up the necessary flight hours for maintaining his (not yet available) license just by flying the government plane from time to time?
In turn, as KLM no longer flies Fokkers, his last change to fly a Fokker was indeed the current goverment plane, which will go off duty when the 737 comes.