Gulfstream Aerospace has reported revenues of $707.8 million for the second quarter ending June 30, 1999. The manufacturer delivered 17 aircraft - nine Gulfstream IVSPs and eight Gulfstream Vs - in the second quarter of 1999 compared with 15 in the same period last year. It has also recorded ten aircraft orders for the three months ended June 30, comprising five GIVs and five GVs. This brought the total number of contracts signed this year to 21.