Lynx
®
NGT-9000
Pilot’s Guide1-8
Description
Traffic Information Service - Broadcast (TIS-B)
Traffic Information Service Broadcast (TIS-B) is a ground based
broadcast service that provides secondary surveillance radar (SSR)
derived traffic data (ATC transponder equipped aircraft not equipped
with ADS-B Out capability) to ADS-B In equipped aircraft.
The actual availability of services depends upon the availability of
ground-based radar to support TIS-B source data.
Receiving aircraft must be in both ATC radar coverage and ground
based transceiver (GBT) coverage in a given area to receive
TIS-B service in that area. When ownship is above 24,000 ft, the
ground station will no longer provide TIS-B service. (Targets will
be provided up to 27,500 ft) To reduce display clutter, the TIS-B
service provides traffic information on other aircraft within 15 nmi
and +/- 3500 ft of ownship.
Other aircraft are provided by the ground station if within a 15nm
horizontal range and +/-3,500 ft of altitude of the receiving aircraft.
ADS-B equipped ground aircraft and vehicles are not displayed to
airborne aircraft.
Aircraft not equipped with a transponder, or equipped with a Mode
A only transponder are not part of the TIS-B data and will not be
seen on the traffic display.
The ground station will not provide display information for Mode
C and Mode S transponder equipped aircraft that do not provide
altitude information.
An aircraft on the ground receiving TIS-B is provided both ground
aircraft and vehicles as well as airborne other aircraft within 5nm
and 2,000 ft above ground level of the airport reference point.
The TIS-B service is intended to improve the pilot’s ability to visually
see traffic in the air and on the airport surface so that pilots can
more effectively apply traditional “see-and-avoid” techniques.
TIS-B is NOT intended to be used as a collision avoidance system
and does NOT relieve the pilot of responsibility to “see-and-avoid”
other aircraft.
No avoidance maneuvers are provided for, nor authorized, as a
direct result of a TIS-B other aircraft being displayed in the cockpit.
Avoidance maneuvers must be based on visually acquiring the
target.
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