BOEING-(IDB) : Boeing is working to convert F-16 fighter aircraft into fully-fledged
unmanned aerial vehicles (UAVs) for potential use by US armed forces, IHS Jane's was told on 7 May.
The company has already converted the first six of 126 Lockheed
Martin F-16 Fighting Falcons into optionally piloted QF-16 target drones
for the US Air Force (USAF), but is looking to add improved datalinks
to enable the QF-16 to fly as high and as far as conventional UAVs.
This, say company officials, will open the door to future roles in
surveillance and close air support.
Boeing could potentially convert hundreds of retired F-16s into UAVs
using aircraft stored at the USAF's 'boneyard' in Tuscon, Arizona, where
thousands of disused airframes have lain dormant for years. Even more
could potentially be converted as the air force retires its current
fleets of F-16s.
The US Defense Advanced Research Projects Agency (DARPA) has
previously highlighted the potential for an aircraft like the QF-16 to
provide close air support to troops in future combat - a role currently
played by manned fixed- and rotary-winged aircraft, and UAVs such as the
General Atomics MQ-1 Predator and MQ-9 Reaper.
Paul Cejas, Boeing's chief engineer on the QF-16 project, told IHS Jane's
that the QF-16 UAV would be ideal for strikes into enemy territory and
dangerous missions "where you don't want to put pilots in harm's way".
"We think there's a lot of potential in this as having more
capability," Cejas said. "Boeing is investing to leverage some of those
capabilities. As a UAV it would be faster than a lot of what's out
there."
The QF-16 is currently restricted to 'line-of-sight' operations at
two bases in the United States: Tyndall Air Force Base in Florida and
the White Sands Missile Range (WSMR) in New Mexico. At present, the
QF-16's ground control station would lose touch with the aircraft if it
flew over the horizon.
But Boeing wants to upgrade the control system to give the QF-16 a
range similar to other UAVs. "[The] first step being, we're actually
looking to be able to fly this aircraft with an alternate ground station
and datalinks so that we don't have to be tied to those two stations,"
Cejas said. "There's no reason the QF-16 couldn't do what current UAVs
do."
The QF-16's capabilities are the same as a manned F-16, except for
the internal cannon, removed to help fit in more than 3,000 wires during
the conversion. When asked whether the QF-16 had any physical
limitations, Cejas said: "I don't think we have any. We basically left
all the F-16 systems intact, other than the gun. It's a very small jet
and getting enough real estate to fit the wires in [was difficult], but
we wanted to keep the basic capabilities in the jet."
Boeing has been contracted by USAF to convert 126 F-16s into the
QF-16 version for target practice, but Cejas said the government's
long-term requirement is for a total of 210 QF-16s, depending on future
budgets. F-16s currently in storage and eligible for conversion number
"in the hundreds", he added.
Analysis
More than 4,500 F-16s have been built since the 1970s and more than
20 countries fly the aircraft, but the QF-16 may not see widespread use
by US forces. In addition, the US government would need to approve any
sale of the conversion technology, should the prospect of QF-16
conversions become appealing to its allies.
While Boeing's business case for converting hundreds more F-16s into
QF-16 UAVs is apparent, it is hard to gauge precisely what benefits the
USAF might derive from such a platform. An unmanned F-16 would cost the
same as a manned F-16 to operate, and would likely require at least the
same level of manpower to support it.
Another issue that might limit the practical utility of a QF-16 UAV
is its range. By comparison to UAVs such as the Predator and Reaper, the
F-16 is a short-range aircraft that requires aerial refuelling to
conduct medium- or long-range strike missions with a meaningful payload.
In the near term at least, it would not be possible for an unmanned
QF-16 to perform aerial refuelling with the current generation of manned
tanker aircraft.
The F-16's fighter performance, also, might actually be a hindrance to its role as an unmanned strike aircraft.
One of the facets of the Predator and Reaper-class of UAV is that
they fly relatively slowly and have the endurance required for the
operator to stay on station and build up a detailed picture of the area
of interest or target for superior situational awareness (SA). An
unmanned F-16 would typically be operating at relatively low levels and
high speeds. For the ground-based operator, flying a UAV has often been
compared to seeing the world through a soda straw, and at low level and
high speeds the operator's SA is going to be severely limited.
The QF-16 UAV could be seen to have an application in swamping enemy
air defences to sweep the airspace clean for the manned fighter/strike
aircraft following behind, but it has to be questioned if this rather
limited operational utility would justify the cost to the USAF of
recovering and converting hundreds of F-16s from the boneyard for such a
niche mission.
Also, while it is true that an unmanned platform would remove all
risk from the pilot, there are plenty of men and women around the world
today who are more than happy to take such risks.
Source : Jane's
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