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MAIN COMPONENTS.......................................................................................................................................2/10
PRINCIPLE........................................................................................................................................................5/10
INTRUDER CLASSIFICATION......................................................................................................................... 5/10
TA / RA THRESHOLDS....................................................................................................................................7/10
TCAS MODES...................................................................................................................................................8/10
ADVISORY INHIBITION....................................................................................................................................9/10
DSC-34-80-20 CONTROLS AND INDICATORS
ATC/TCAS PANEL............................................................................................................................................1/16
ND INDICATIONS.............................................................................................................................................4/16
TCAS MESSAGES............................................................................................................................................9/16
PFD INDICATIONS.........................................................................................................................................10/16
AURAL MESSAGES....................................................................................................................................... 15/16
DSC-34-80-30 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
MEMO DISPLAY.................................................................................................................................................1/2
DSC-34-80-40 ELECTRICAL SUPPLY
BUS EQUIPMENT LIST......................................................................................................................................1/2
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
PRELIMINARY PAGES - TABLE OF CONTENTS
A330/A340 FLEET DSC-34-PLP-TOC P 5/6
FCOM 19 AUG 10
DSC-34-90 PARA VISUAL INDICATOR (PVI)
DSC-34-90-30 ELECTRICAL SUPPLY
BUS EQUIPMENT LIST......................................................................................................................................1/2
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
PRELIMINARY PAGES - TABLE OF CONTENTS
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A330/A340 FLEET DSC-34-PLP-TOC P 6/6
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
ADIRS - DESCRIPTION
A330/A340 FLEET DSC-34-10-10 P 1/6
FCOM 19 AUG 10
GENERAL
Applicable to:
The Air Data and Inertial Reference System (ADIRS) supplies temperature and anemometric,
barometric and inertial parameters to the EFIS system (PFD and ND) and to other user systems
(FMGC, FADEC, PRIM, SEC, FWC, SFCC, ATC, GPWS, CMC, CPC).
The system includes :
three identical ADIRU’s (‐ Air Data and Inertial Reference Units).
Each ADIRU is divided in two parts, either of which can work separately in case of failure in the
other :
• the ADR (Air Data Reference) part which supplies barometric altitude, airspeed, Mach, angle of
attack, temperature and overspeed warnings.
• the IR (Inertial Reference) part which supplies attitude, flight path vector, track, heading,
accelerations, angular rates, ground speed and aircraft position.
Note: The ADIRU gives the true heading instead of magnetic heading :
‐ above 82.5 ° North
‐ above 73.5 ° North between 92.5 ° and 117.5 ° West (magnetic polar region)
‐ above 60.5 ° South
‐ one ADIRS control panel (ADIRS MSU) on the overhead panel for selection of modes (NAV, ATT,
OFF) and indications of failures.
The IR is initialized through the FMGES.
‐ Two GPS receivers, which are connected to the IR part of the ADIRU’s for GP/IR hybrid position
calculation.
‐ four types of sensors :
• pitot probes (3)
• static pressure probes (STAT) (6)
• angle of attack sensors (AOA) (3)
• total air temperature probes (TAT) (2)
These sensors are electrically heated to prevent from icing up.
‐ eight ADMs (Air Data Modules) which convert pneumatic data from pitot and static probes into
numerical data for the ADIRUs.
　
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