Fokker 100 / AmericanFokker announced it was developing the Fokker 100 simultaneously with the Fokker 50 turboprop in November 1983. The Fokker 100 is based on the basic F 28 airframe, with the most important and obvious change being the stretched fuselage, increasing maximum seating to 122, compared with 85 in the F 28 4000 (on which the 100 is based). Other changes include more economical RollsRoyce Tay turbofans (which, unlike the F 28's Speys, conform to Stage 3 noise