BendixKing CAS 67A TCAS II - Manual (Page 70)

006-08499-0000 Rev 7 Effective Date 2/04 68
Systems Considerations
The capability of TCAS II is dependent upon the type of
transponder in the intruding aircraft:
• The intruding aircraft must be equipped with a properly operat-
ing transponder for normal TCAS operation. TCAS is unable to
detect any aircraft without an operating transponder.
• If the intruder is Non-Altitude Reporting (NAR), TCAS will dis-
play only the range and bearing. It can issue a Traffic advisory
based on distance and direction of flight but will not generate a
Resolution Advisory. TCAS assumes Non-Altitude Reporting
(NAR) traffic is at the same altitude as your own aircraft.
A TCAS II Resolution Advisory is based on the expectation that
the crew will comply within 5 seconds. An increase or reversal to
an RA requires two and one half seconds reaction time.
The TCAS II processor is programmed with the specific aircraft
operating limitations, i.e., maximum altitude at which the aircraft
can climb at 1500 feet per minute. Climb or Increase Climb RAs
are therefore inhibited when the RA maneuver cannot be com-
pleted safely due to lack of aircraft performance capability. These
performance limits are included as part of the aircraft wiring. See
the AFM for the specific performance limitations for your aircraft.
Wiring options for TCAS also include the following:
• TCAS can be wired to display all traffic full time or all traffic only
as a result of the presence of a TA or an RA (Pop-Up Mode).
• Number of targets displayed from (3 to 30)
• The TCAS display may have pilot selectable range or may be a
fixed range controlled by the aircraft wiring.
• The IVA 81A/C/D can be wired to clear the display automatical-
ly after a TA or RA passes or by pressing the TA SEL button.
• The TCAS II system can be automatically placed in standby
when the aircraft is on the ground.
• The manually initiated system test procedure can be inhibited in
flight.
• The aircraft Master Lamp Test Switch can be wired to control
the TA/VSI and RA/VSI sequential lamp test.
WARNINGS AND LIMITATIONS