Mon, Jul 11, 2011
Allows For Fully Coupled WAAS LPV Approaches To Be Flown In
Legacy Models
Wide Area Augmentation System (WAAS) upgrades are available for
the Cessna Citation Ultra and Citation Encore, the Wichita
planemaker said in a news release Thursday.
Citation Ultra File Photo
The supplemental type certificate covers all Citation Ultras and
Citation Encores serial number 260 through 750 with an upgrade to
dual Universal UNS-1Espw Flight Management Systems certified for
fully coupled WAAS LPV approaches. Previous WAAS updates were
approved for CJ1+, CJ2+, CJ3 and Citation Encore+ models, as well
as Citation Excel and XLS aircraft.
The WAAS upgrades can be performed at any of the nine
Cessna-owned Citation Service Centers in North America and Europe,
according to Stan Younger, Cessna's vice president of Service
Facilities. Owners may contact any of the centers to confirm their
avionics suite is WAAS-compatible and to schedule an
appointment.
"WAAS technology augments GPS systems and gives pilots five
times the coverage and 12 times the accuracy of GPS-only systems,"
Younger says. "This new after-market capability for our classic
Citations also demonstrates the company's commitment to the
on-going success of Citation owners and operators for years to
come."
WAAS gives pilots improved Global Positioning System navigation
accuracy, allowing for greater access to many airports during
difficult weather conditions. WAAS LPV approaches are similar to
ILS performance; with some LPV (localizer performance with vertical
guidance) procedures having minimums as low as 200 feet.
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