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Mon, Dec 01, 2003

Czech L39s May Get Permanent Edwards AFB Mission

Simple Economics Make Czech Jet A Solid Possibility For Future Acquisition

Some of the busiest aircraft flying in Edwards AFB livery are those designed to provide "chase" services for the multitude of missions performed daily at the USAF Test Center. A num,ber of aircraft have worked this role... F-15s, F-16s, even T-38s... all at a significant cost of operation that sure adds up, come budget-time.

Chase planes and their pilots perform a critical role at Edwards, "He's (the Chase Pilot) there to back up the test pilot, he's got a set of cards on him so he knows what's coming up and he knows what's going on there, he looks at the border of the airspace and he's just there as a second set of eyes so in case anything goes on with that test aircraft he's there to support them," says LTC Troy Fontaine, Test Operations Director.

Usually seen in pure white, with orange tails, there's a new shape among the Chase-Planes at Edwards... and it comes from a surprising source... the Czech Republic. Fontaine explained that, "The l-39 is just at this point, an acquisition experiment, we're going to have it here for six to nine months. And the three main areas will be looking at with the l-39 are, is it mission suitable? Can it find it's little niche here as a chase aircraft, or another role that we can use it for. Is it maintainable? And the big one for us is cost effectiveness, how much is this thing going to cost compared to some of the stuff we had?"

The cost issue is a big one. While the L-39 isn't remotely as capable as the F-15 or F-16, many of the chase missions require little of the extra performance and capabilities that such birds boast over the single-engine L-39. In many cases, the L-39 is plenty of aircraft for the mission profile--this is where the relatively inexpensive Albatros can really shine. L-39 Project Officer Maj. Bill Koukourikos notes that, "Over the years aircraft have gotten more and more expensive, we're looking for a short term, low cost aircraft."

The L-39 is powered by a single 3,792-pound thrust Walter Titan turbofan, and weighs (Empty) 7,340 pounds, with a maximum takeoff weight of 11,618 pounds. Its wingspan is 31 feet, 0.5 inches, and is all of 40 feet, 5 inches long. It's a subsonic bird with a max speed of 485 MPH at 19,600 feet, and Sea Level max speed of 435 MPH. The service ceiling is 37,730 feet, with a range of 528 miles on internal fuel and as much as 995 miles with external tanks.

Air Force sources claims that aircraft like the F-15 cost about $7K per flight hour. For the F-16, around $6K, while so-called "training aircraft like the T-38 require about $4k per flight hour. The Albatros cost? Somewhere in the neighborhood of $2350/hr Koukourikos explained that, "If this all turns out successful we're going to do a four month review, we are going to look forward to try and get two airplanes here stationed for an extended period of time. Not permanently, but probably a three to five year time frame."

FMI: www.af.mil

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