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descent, especially when they are aware of traffic that is converging in altitude and intending to level
off 1 000 ft above or below the pilot's assigned altitude.
If a TA is generated:
• The PF announces: "TCAS, I have controls".
• The PF flies and announces the bearing and distance displayed on his ND.
• The PNF looks outside to get visual contact.
• No evasive maneuver should be initiated, only on the basis of a TA.
A330/A340 FLIGHT CREW TRAINING MANUAL
SUPPLEMENTARY INFORMATION
TCAS
A330/A340 FLEET SI-060 P 3/4
FCTM 17 JUN 09
If a RA is generated:
• The flight crew must always follow the TCAS RA orders in the correct direction, even:
‐ If the TCAS RA orders are in contradiction with the ATC instructions
‐ At the maximum ceiling altitude with CLIMB, CLIMB or INCREASE CLIMB, INCREASE CLIMB
TCAS RA orders
If it results in crossing ‐ the altitude of the intruder.
CAUTION If a pilot does not follow a RA, he should be aware that the intruder may be
TCAS equipped and may be maneuvering toward his aircraft in response to a
coordinated RA. This could compromize safe separation.
• The PF disconnects the AP, and smoothly and firmly follows the Vertical Speed Indicator (VSI)
green sector within 5 s, and requests that both FDs be disconnected.
Note: Both FDs must be disconnected once APs are disconnected:
‐ To ensure autothrust speed mode
‐ To avoid possible confusion between FD bar orders and, TCAS aural and VSI orders
• The PNF disconnects both FDs, but will not try to see intruders.
• The PF will avoid excessive maneuvers, and keep the Vertical Speed outside the red area of the
VSI and within the green area. If necessary, the PF must use the full speed range between Valpha
max and Vmax.
• The PNF must notify ATC.
• The flight crew should never maneuver in the opposite direction of the RA, because TCAS
maneuvers are coordinated.
• In final approach, i.e. "CLIMB", "CLIMB NOW", "INCREASE CLIMB", the flight crew will initiate a
go-around.
When clear of conflict:
• The flight crew must resume normal navigation, in accordance with ATC clearance, and using the
AP, as required.
A330/A340 FLIGHT CREW TRAINING MANUAL
SUPPLEMENTARY INFORMATION
TCAS
Intentionally left blank
A330/A340 FLEET SI-060 P 4/4
FCTM 17 JUN 09
A330/A340 FLIGHT CREW TRAINING MANUAL
SUPPLEMENTARY INFORMATION
USE OF RADAR
A330/A340 FLEET SI-070 P 1/6
FCTM 17 JUN 09
GENERAL
Applicable to: ALL
The weather radar has two main functions:
• Weather detection
• Mapping.
Weather detection is the primary function. For weather detection, the radar detects precipitation
droplets. The strength of the echo is in proportion to the droplet size, composition and quantity (e.g.
the reflection of water particles is five times greater than ice particles of the same size). Therefore,
the weather radar does not detect weather that has small droplets (e.g. clouds or fog), or that does
not have droplets (e.g. clear air turbulence).
Mapping is the secondary function. For mapping, the echo takes into account the difference between
incoming and outgoing signals. Any significant difference in the signal is easily mapped (e.g.
mountains or cities), but a small difference in the signal is not mapped (e.g. calm sea or even
ground).
FUNCTIONS
Criteria: LR
Applicable to: , , , , , , , , , , , ,
The flight crew can use the following to operate the radar:
TILT
"Tilt" is the angle between the antenna radar and the horizon, irrespective of the aircraft's pitch and
bank angles. The antenna stabilizes by using IRS data.
To help avoid weather, it is important to effectively manage the tilt, taking into account the flight
phase and the ND range, Usually, it is the appropriate tilt value that provides ground returns on the
top of the ND.
In case of overscanning, a cell may not be detected or may be underestimated, when the radar
beam scans the upper part of the cell. This occurs because, at high altitude, this cell may have ice
particles, and therefore the reflection of these particles is weak.
If AUTO TILT function is installed, selecting AUTO ensures a proper tilt management along the
flight.
A330/A340 FLIGHT CREW TRAINING MANUAL
SUPPLEMENTARY INFORMATION
USE OF RADAR
A330/A340 FLEET SI-070 P 2/6
FCTM 17 JUN 09
GAIN
Gain control is mostly used in AUTO/CAL mode. The detection or evaluation of cells will always
start in AUTO/CAL gain mode.
However, the gain may be manually tuned to detect the strongest part of a cell displayed in red on
　
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