DATE:06/09/10
SOURCE:Flight International
PICTURES: IAI tests Colombia's new 767 tanker
By Arie Egozi
Israel Aerospace Industries' Bedek unit has conducted a successful series of flight trials involving a modified Boeing 767 tanker for Colombia, and says a lucrative market exists for additional customers.
The secondhand 767-200ER has been converted to a new multi-mission tanker/transport (MMTT) configuration for the Colombian air force, with the work having included the installation of ARP3 wing air refuelling pods developed and manufactured by IAI.
All images © Bedek
Conducted in Israel, the recent trials were aimed at expanding the in-flight refuelling envelope of the 767.
This included transferring fuel to an upgraded IAI Kfir C10 fighter awaiting delivery to Colombia under a 2007 contract worth more than $150 million.
The 767's new refuelling equipment performed "flawlessly", say company test pilots, while contact by the fighter is described as easy, with a "stable hook-up".
"The performance and overall stability of the aircraft and the drogues displayed impressive results," says IAI's chief test pilot Ronen Shapira, who also flew behind the modified airliner in a Gulfstream G250 business jet.
Capable of carrying a maximum fuel load of 72,500-90,700kg (160,000-200,000lb), one adapted 767 could support 13 Lockheed Martin F-16 fighters on a mission with a range of 1,000nm (1,850km), Bedek says.
The company sees an opportunity to convert a "meaningful number" of additional 767s for the MMTT mission, which could also include cargo and VIP transport tasks.
"This is one of our growth engines in the coming years, with potential sales of $100 million a year," says general manager Eliezer Hattem.
Further business could lead to Bedek working with European companies in making aircraft conversions, with Hattem confirming that it has already held talks "with more than one potential partner". IAI has previously offered a 767-based tanker to the Polish air force in collaboration with local firm Bumar.
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A series of successful flight tests aimed at opening the flight envelope have been completed for the pre-owned B767-200ER (Extended Range) aircraft,
converted by Bedek Aviation Group of Israel Aerospace Industries (IAI) to a Multi Mission Tanker Transport (MMTT) configuration for the Colombian government and the end user, the Colombian Air Force.
The converted aircraft is equipped with two Wing Air Refueling Pods (WARPs) of the ARP3 model, developed and manufactured by IAI.
During the first 3.5-hour flight test, the full envelope, including altitude, speed, and Mach number, was opened without any flutter or buffet problems.
Additional in-flight refueling tests of a C10 Kfir fighter jet, also produced by IAI, were successfully completed.
The MMTT pilot reported an extremely smooth flight with no technical events.
The air refueling system functioned very well, and the first hook-ups and fuel transfers were the most exciting moments of the flight.
IAI's test pilot team that flew the aircraft reported that the systems performed flawlessly. The pilot of the Kfir (the aircraft being refueled) appreciated the easy, stable hook-up in each of the two WARPs.
As previously reported, IAI was awarded a multi-year contract in 2007 worth more than $150 million to upgrade the Colombian Air Force's Kfir aircraft.
In June of 2009, the first Kfir aircraft were redelivered to the Colombians, and have been in operational activity ever since.
The tanker conversion project, which lasted more than two years, was completed by IAI's technicians, flight test pilots, and engineers, all of whom contributed to the development and integration of the air refueling system into the B767.
Their dedication and hard work culminated in the minutes during which the tanker and the Kfir met in the air and performed the hook-up, an "exciting and proud" moment for those involved in the project.
IAI's chief test pilot Ronen Shapira, who flew behind the B767-200ER in a G250 business jet aircraft, also confirmed the smooth flight: "The flights were successful, and the aircraft performed extremely well with the air refueling pods.
The aircraft performance and overall stability of the aircraft and the drogues all displayed impressive results."
In the coming days, the B767-200MMTT will perform additional flights before its redelivery to the Colombian Air Force.
In the photos :
2- The Colombian Air Force's Kfir C10 fighter aircraft being refueled by the B767 air refueling tanker