Raytheon conducts successful flight test of global positioning system (GPS) precision landing system
MARLBORO, Mass., (Feb 21, 2002) - Raytheon Company successfully completed the first in a series of autoland flight tests using its Local Area Augmentation System (LAAS) on January 17, 2002 at the Salt Lake City International Airport.
The aircraft, a Boeing 737-900, . . . utilized differential GPS corrections and precision approach path data uplinked from a Raytheon RAYNAV-4100 Local Area Augmentation System (LAAS) ground facility at the Salt Lake City Airport. A series of autocoupled (hands-off) approaches, through touchdown and rollout, were conducted using two different runways.
The current flight testing was a continuation of Raytheon's LAAS ground station test program which also included flight tests in August 2001 with a FedEx Express Boeing 727-200 aircraft . . .
Later this year, the FAA plans to begin acquisition of LAAS ground stations for installation at airports nationwide. LAAS will initially provide GPS based Category I precision approach capability (200-ft. ceiling, one-half mile visibility). Later versions will provide Cat II/III capability, enabling all-weather automatic landings and surface navigation. LAAS will provide precision approach capability in virtually any environment including mountains, urban areas and offshore platforms. One LAAS will service the entire airport and will allow for tailored approaches to avoid obstacles, noise sensitive areas or congested airspace. . . .
Note to Editors [and conspiracy theorists]:
CATEGORY I/II/III refer to different levels of low visibility approaches. Aircraft fly on instruments during most of the approach but the pilot must have visual contact with the runway and/or approach lights by the time he reaches the minimum ceiling and/or horizontal visibility listed below. CAT I is the least stringent.
Ceiling Visibility
CAT I 200 ft. 1200ft. - 2400ft. Runway Visual Range (RVR)
CAT II 100 ft.-200 ft. 1200ft. - 2400ft. RVR
CAT IIIa 50 ft. - 100ft. 600ft. - 1200 ft. RVR
CAT IIIb 0 ft. - 50 ft. 150 ft. - 600ft. RVR
CAT IIIc 0 0
[emphasis added]