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will require special to accountfor the particular case of tuhO-jet aero~lanes9 be at least the amount sufficient
operating characteristics of this type of aeroplane. Guidance the
on fuel supplies for supersonic aeroplanes is given in
Circular126 - Guidance Material on SST Aircraft 4.3.6.3.1 When a destination alternate aerodrome is
Operations. required, either:
4.3.6.1 All aeroplanes. A flight shall not be commenced a) to fly to and execute an approach, and a missed
unless, taking into account both the meteorological conditions approach, at the aerodrome to which the flight is
and any delays that are expected in flight, the aeroplane cames planned, and thereafter:
sufficient fuel and oil to ensure that it can safely complete the
flight. In addition, a reserve shall be camed to provide for 1) to fly to the alternate aerodrome specified in the
contingencies. operational and ATS flight plans; and then
4.3.6.2 Propeller-driven aeroplanes. The fuel and oil 2) to fly for 30 minutes at holding speed at 450 m
camed in order to comply with 4.3.6.1 shall, in the case of (1 500 ft) above the alternate aerodrome under
propeller-driven aeroplanes, be at least the amount sufficient to standard temperature conditions, and approach and
allow the aeroplane: land; and
4.3.6.2.1 When a destination alternate aerodrome is
required, either:
a) to fly to the aerodrome to which the flight is planned
thence to the most critical (in terms of fuel
consumption) alternate aerodrome specified in the
operational and ATS flight plans and thereafter for a
period of 45 minutes; or
b) to fly to the alternate aerodrome via any predetermined
point and thereafter for 45 minutes, provided that this
shall not be less than the amount required to fly to the
aerodrome to which the flight is planned and thereafter
for:
1) 45 minutes plus 15 per cent of the flight time planned
to be spent at the cruising level(s), or
3) to have an additional amount of fuel sufficient to
provide for the increased consumption on the
occurrence of any of the potential contingencies
specified by the operator to the satisfaction of the
State of the Operator; or
b) to fly to the alternate aerodrome via any predetermined
point and thereafter for 30 minutes at 450 m (1 500 ft)
above the alternate aerodrome, due provision having
been made for an additional amount of fuel sufficient to
provide for the increased consumption on the occurrence
of any of the poten-tial contingencies specified by the
operator to the satisfaction of the State of the Operator;
provided that fuel shall not be less than the amount of
fuel required to fly to the aerodrome to which the flight
is planned and thereafter for two hours at normal cruise
consumption.
Annex 6 - Operation of Aircraft Part I
4.3.6.3.2 When a destination alternate aerodrome is not
required:
a) in terms of 4.3.4.3 a), to fly to the aerodrome to which
the flight is planned and additionally:
1) to fly 30 minutes at holding speed at 450 m ( 150 Oft)
above the aerodrome to which the flight is planned
under standard temperature conditions; and
2) to have an additional amount of fuel, sufficient to
provide for the increased consumption on the
occurrence of any of the potential contingencies
specified by the operator to the satisfaction of the
State of the Operator; and
b) in terms of 4.3.4.3 b), to fly to the aerodrome to which
the flight is planned and thereafter for a period of two
hours at normal cruise consumption.
4.3.6.4 In computing the fuel and oil required in 4.3.6.1 at
least the following shall be considered:
Note 1.- The provisions of 4.3.7.1 do not necessarily
require the deployment of integral aeroplane stairs or the
opening of emergency exits as a prerequisite to refuelling.
Note 2.- Provisions concerning aircraft refuelling are
contained in Annex 14, Volume I, and guidance on safe
refuelling practices is contained in the Airport Services
Manual, (Doc 9137), Parts I and 8.
Note 3.- Additional precautions are required when
refuelling with fuels other than aviation kerosene or when
refuelling results in a mixture of aviation kerosene with other
aviation turbinefuels, or when an open line is used.
4.3.8 Oxygen supply
Note.- Approximate altitudes in the Standard Atmosphere
corresponding to the values of absolute pressure used in the
text are as follows:
Absolute pressure Metres Feet
a) meteorological conditions forecast;
b) expected air traffic control routings and traffic delays;
c) for IFR flight, one instrument approach at the
destination aerodrome, including a missed approach;
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ICAO 附件6 Operation of Aircraft(26)
