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two separate runways (two separate landing surfaces)
For airports with at least two
operational navigation facilities
providing a precision or non-precision
runway approach procedure to
separate suitable runways
A ceiling derived by adding 200 ft to the
higher of the two authorised DH/MDH
(DA/MDA) for the approaches
A visibility derived by adding 800 m to
the higher of the two authorised landing
minima
Table 1
Type of Approach Planning Minima
(RVR visibility required and ceiling if applicable)
Aerodrome with
at least
2 separate approach procedures
based on
2 separate aids serving
2 separate runways
at least
2 separate approach
procedures based on
2 separate aids serving
1 runway
or
at least
1 approach
procedure based on
1 aid serving
1 runway
Precision Approach
Cat II, III (ILS, MLS)
Precision Approach
Cat I Minima
Non-Precision Approach Minima
Precision Approach
Cat I (ILS, MLS)
Non-Precision Approach
Minima
Circling minima or, if not available non-precision approach
minima plus 200 ft/1 000 m
Non-Precision Approach The lower of non-precision
approach minima plus
200 ft/1 000 m or circling minima
The higher of circling minima or non-precision approach
minima plus 200 ft/1 000 m
Circling Approach Circling minima
Table 2
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SPECIAL OPERATIONS
EXTENDED RANGE OPERATIONS - DIVERSION
DURING EXTENDED RANGE OPERATIONS
A318/A319/A320/A321 FLEET PRO-SPO-40-40 P 1/2
FCOM 19 AUG 10
DIVERSION DECISION MAKING
Applicable to: ALL
The technical criteria governing a re-routing or diversion decision can be classified into four
categories, as follows :
Loss of MNPS capability, before entering ‐ the MNPS area (as applicable).
‐ Weather minima at diversion airport(s) going below the company/crew en-route minima, before
reaching the ETOPS Entry Point, or diversion airport(s) becoming unsuitable for any reason.
‐ Failure cases requiring a diversion to the nearest airport (cases leading to a LAND ASAP message
on the ECAM and/or in the QRH).
‐ Failure cases resulting in increased fuel consumption, exceeding the available fuel reserves.
Comments and Recommendations
• Electrical generation
If one IDG fails, a diversion is required in case of :
‐ Blue hydraulic circuit low level, low air pressure or overheat, or
‐ APU no start, or
‐ APU or APU generator inoperative, or
‐ Second IDG failure.
• Fuel system
Some failure cases may lead to fuel gravity feeding which implies flight at lower altitude or to some
fuel being unusable. The flight crew's evaluation of the actual situation and the fuel remaining may
lead to the decision that a diversion is required.
• Hydraulic system :
If low level, low air pressure or overheat on blue hydraulic circuit, a diversion is required in case
of :
‐ One IDG failure, or
‐ APU no start, or
‐ APU/APU GEN failure.
• APU :
If APU/APU GEN fails, a diversion is required in case of :
‐ Blue hydraulic circuit low level, low air pressure or overheat, or
‐ One IDG failure.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SPECIAL OPERATIONS
EXTENDED RANGE OPERATIONS - DIVERSION
DURING EXTENDED RANGE OPERATIONS
A318/A319/A320/A321 FLEET PRO-SPO-40-40 P 2/2
FCOM 19 AUG 10
DIVERSION PERFORMANCE DATA
Applicable to: ALL
Three single engine descent and cruise procedures : Refer to PER-CRZ-OEI-GEN-05
INTRODUCTION
1. The standard strategy.
2. The obstacle strategy.
3. Fixed speed strategies (ETOPS).
For ETOPS operations, any one of the above diversion strategies can be used provided that the
selected strategy and speed schedule are used in :
• establishing the area of operation (maximum diversion distance),
• calculating the diversion fuel requirements for the single-engine ETOPS fuel scenario,
• demonstrating the applicable obstacle clearance requirements (net flight path and net ceiling).
During the diversion, the flight crew is expected to use the planned speed schedule.
However, based on the evaluation of the actual situation, the pilot in command has the authority to
deviate from this planned one-engine-inoperative speed.
GUIDELINES FOR DIVERSION PROCEDURE
Applicable to: ALL
Complete ‐ the related failure procedure.
‐ Inform ATC.
‐ Initiate the descent.
‐ Determine which enroute alternate is the most suitable (per company procedure).
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