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beginning the approach a check of GPS PRIMARY and HIGH accuracy must be made
which replaces the navigation accuracy check. Additionally, before the FAF check GPS
PRIMARY and HIGH accuracy with a RNP of 0.3 nm or less. Raw data must be displayed
and monitored at all times. FCOM 4.05.70 (FMGS Procedures) details the procedures to be
used. If raw data indicates that the aircraft is not on the required flight path the pilot must
use HDG/V/S or TRK /FPA to correct the flight path.
A319/A320/A321
FLIGHT CREW TRAINING MANUAL
1.02.30 Page 3
REV 21 MAY 98
NORMAL OPERATION BRIEFINGS
GLOBAL POSITIONING SYSTEM
CHAP02\30
05 - TRAINEES’ ACTIONS (END)
GPS STAND ALONE APPROACH
The aircraft is guided along the trajectory of an approach the waypoints of which are not
referenced to any ground base navigation aid. As yet, only a few GPS stand alone
approaches are published and they require an operational approval.
If GPS PRIMARY is lost during a non precision approach, a GPS PRIMARY LOST message
in amber will be displayed accompanied by a triple click. If this occurs or there is a
navigation accuracy downgrade, the approach may only be continued in managed navigation
as long as raw data continue to indicate satisfactory guidance.
06 - COMPLETION STANDARDS
· Good awareness of how GPS aids navigation.
· Accuracy check carried out before FAF during GPS approach.
07 - COMMON ERRORS
· No check of NOTAMs relevant to satellites prior to flight.
· On GPS overlay approach, raw data is not displayed and/or monitored.
· Lack of knowledge of correct procedure in failure cases.
A319/A320/A321
FLIGHT CREW TRAINING MANUAL
1.02.30 Page 4
REV 21 MAY 98
NORMAL OPERATION BRIEFINGS
GLOBAL POSITIONING SYSTEM
CHAP02\30
COLD/HOT WEATHER AND HIGH ALTITUDE RUNWAY OPERATION
01 - TRAINING OBJECTIVE
· To operate the aircraft according to recommended procedures in adverse weather.
02 - SCHEDULE
Briefing duration : 20 minutes
03 - EQUIPMENT
DOC references :
· FCOM 1.30 (Ice and rain protection)
· FCOM 1.34.60 (Weather radar)
· FCOM 1.36 (Pneumatic system)
· FCOM 3.01.70 (Limitations)
· FCOM 3.04.30 (Ice and rain protection)
· FCOM 3.04.34 (Weather radar)
· FCOM 3.04.91 (Adverse Weather)
· Briefing notes on adverse weather operations
04 - INSTRUCTOR’S ACTIONS
Briefing of the following key points.
MAIN
· Aircraft preparation in adverse weather
· Correct procedure for de-icing
· Operations in icing conditions
· Performance considerations in "hot and high" conditions
SECONDARY
· Recognition of conditions requiring the use of anti icing
· Use of weather radar
A319/A320/A321
FLIGHT CREW TRAINING MANUAL
1.02.32 Page 1
REV 21 MAY 98
NORMAL OPERATION BRIEFINGS
ADVERSE WEATHER
CHAP02\32
COLD/HOT WEATHER AND HIGH ALTITUDE RUNWAY OPERATION (CONT’D)
05 - TRAINEES’ ACTIONS
The A320 is certificated for operations in the temperature range of -40 C up to +50°C (at sea
level). The environmental envelope is shown in FCOM 3.01.20 (Operating Limitations). The
APU envelope is similar.
COLD WEATHER
The A320 is certified for flight in icing conditions. Icing conditions may be expected when
OAT (on ground) is below +10 C and there is visible moisture in the air (such as clouds, fog
with low visibility, rain, snow, sleet, ice crystals) or standing water, slush, ice or snow is
present on the taxiways or runway. Furthermore, preparation and ground operation of the
aircraft following a cold soak may require procedures which are additional to the normal
operating procedures. FCOM 3.04.91 (Supplementary Techniques - Cold Weather).
The normal preliminary cockpit inspection should be carried out. If the weather radar is
unserviceable the MEL may contain restrictions on the flight. Thereafter, a full exterior
inspection should be done. The main items are listed in FCOM 3.04.91 (Supplementary
Techniques - Cold Weather).
Probe/window heat may be used. When selected ON, the system provides a low level of
heating to clear cockpit transparencies and ensures adequate probe heating. The level of
heating changes automatically to high, once airborne. The TAT probe is not heated on the
ground.
At temperatures below -15°C, the ECAM and EFIS DUs may not be available until cabin
conditioning has warmed the avionics compartment and cockpit. Also, at this temperature,
IRS alignment takes up to 15 minutes.
When conducting the external inspection, take care to inspect all critical surfaces to ensure
　
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