IAI and Gulfstream study tanker version of G550 By Arie Egozi Israel Aircraft Industries (IAI) and Gulfstream are developing an air-to-air refuelling concept based on the G550 business jet. The idea is to offer a small, agile tanker that would improve the flexibility of aerial refuelling operations. According to IAI, the G550 would be able to carry 25,000kg (55,000lb) of fuel. If needed, full-size tankers would be able to refuel a G550 tanker to extend its mission. IAI says it is studying the concept in response to requests from potential customers. The company is expanding its tanker business and is...