only three or four of the 32 commercial versions were ever completed, with none of them receiving certification from the federal aviation administration. a further development, the beta 600a, was cancelled and the helicopter production line was subsequently shut down in 1969. the filper research division terminated in the same year with the company concentrating on its manufacture of peach-pitting machinery and its canning operations. the filper company was absorbed in a buy-out by digiorgio corporation in 1976.