ii SKY497 Pilot’s Guide
Eyes That Never Blink
™
Early Traffic Alert/Advisory Systems
In the early days of flight, pilots were equipped with all they
needed for effective collision avoidance–a sharp pair of eyes.
But increasing traffic at higher speeds led to the development
of
TCAS I and II (Traffic Alert and Collision Avoidance Systems)
which were too expensive for most regional airlines, business
aircraft, and general aviation aircraft.
SKYWATCH
®
L-3 Avionics Systems recognized the need for an alternative to
expensive
TCAS systems and developed the SKYWATCH model
SKY497 Traffic Advisory System (TAS).
The
SKY497 provides most of the capabilities of TCAS I, but at
a significantly lower cost making it practical for small aircraft.
In addition, the
SKY497 can share the display that comes with
the
Stormscope
®
model WX-1000 so there’s no need to buy
another display if you already own a
WX-1000 display (part
number
78-8060-5900-8). The SKY497 can also display its traffic
information on a growing number of multi-function displays
from companies such as
Avidyne, UPSAT, L-3 (i-linc
™
MFD),
Garmin, and Collins. You can even display SKYWATCH traffic
information on a compatible weather radar indicator via the
L-3
A
vionics Systems Radar Graphics Computer.
Proven Experience
L-3 Avionics Systems has been involved in the development of
collision warning programs since the early
1980’s. In 1985, L-3
A
vionics Systems began development of an enhanced collision
warning system for the
Navy’s T-34C training aircraft.
Based largely on the success of the
Navy project, L-3 Avionics
Systems was selected to validate the specifications for TCAS I.
As a result,
L-3 Avionics Systems’ original TCAS I unit, the
TCAS791 was the first TCAS I to be granted a Technical Stan-
dard
Order (TSO), first to receive a full, unrestricted Supple-
mental
Type Certificate (STC), first to fly, and first to be delivered.
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