What is the type of the seaplane at the end of runway 18L on Schiphol Airport?
To clarify, it's a Fokker F-27 Friendship 500.

Manufacturered in 1971, PH-NIV has photos of it on Wiki:



Registration details here

As to how it's in Amsterdam Schipol:


  towed to entrance at Oude Meer nr Schiphol East 12.07.12 as PH-NIV in
  old Fokker proto cs owner Coöperatieve Vereniging Anthony Fokker
  Logistics UA moved to permanent display location 13.03.13 on poles in
  a lake with nose up,


So it's been there since March 13, 2013 (the same day the current pope was inaugurated, incidentally).

Before that, it was registered with several companies during its service: