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时间:2010-07-17 02:24来源:蓝天飞行翻译 作者:admin
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deployable by remote control.
4.5.2.7 Recommendation.— Rafts which are not
deployable by remote control and which have a mass of more
than 40 kg should be equipped with some means of
mechanically assisted deployment.
4.5.2.8 Recommendation.— On any helicopter for which
the individual certificate of airworthiness was first issued
before 1 January 1991, the provisions of 4.5.2.6 and 4.5.2.7
should be complied with no later than 31 December 1992.
4.6 All helicopters on flights
over designated land areas
Helicopters, when operated across land areas which have been
designated by the State concerned as areas in which search and
rescue would be especially difficult, shall be equipped with such
signalling devices and life-saving equipment (including means
of sustaining life) as may be appropriate to the area overflown.
4.7 Emergency locator
transmitter (ELT)
4.7.1 Except as provided for in 4.7.2, until 1 January 2005
all Performance Class 1 and 2 helicopters operating on flights
over water as described in 4.5.1 a) and Performance Class 3
helicopters operating as described in 4.5.1 b) shall be equipped
with at least one ELT(S) per raft carried but not more than a
total of two ELTs are required.
4.7.2 Performance Class 1 and 2 helicopters for which the
individual certificate of airworthiness is first issued after
1 January 2002, operating on flights over water as described in
4.5.1 a) and Performance Class 3 helicopters for which the
individual certificate of airworthiness is first issued after
1 January 2002, operating as described in 4.5.1 b) shall be
equipped with at least one automatic ELT and at least one
ELT(S) in a raft.
4.7.3 From 1 January 2005, all Performance Class 1 and
2 helicopters operating on flights over water as described in
4.5.1 a) and Performance Class 3 helicopters operating as
described in 4.5.1 b) shall be equipped with at least one
automatic ELT and at least one ELT(S) in a raft.
4.7.4 Except as provided for in 4.7.5, until 1 January 2005
helicopters on flights over designated land areas as described
in 4.6 shall be equipped with at least one ELT.
4.7.5 Helicopters for which the individual certificate of
airworthiness is first issued after 1 January 2002, on flights
over designated land areas as described in 4.6 shall be
equipped with at least one automatic ELT.
4.7.6 From 1 January 2005, helicopters on flights over
designated land areas as described in 4.6 shall be equipped
with at least one automatic ELT.
4.7.7 Recommendation.— All helicopters should carry
an automatic ELT.
4.7.8 ELT equipment carried to satisfy the requirements
of 4.7.1, 4.7.2, 4.7.3, 4.7.4, 4.7.5, 4.7.6 and 4.7.7 shall operate
in accordance with the relevant provisions of Annex 10,
Volume III.
4.8 All helicopters on high altitude flights
Note.— Approximate altitude in the Standard Atmosphere
corresponding to the value of absolute pressure used in this
text is as follows:
Absolute pressure Metres Feet
700 hPa 3 000 10 000
620 hPa 4 000 13 000
376 hPa 7 600 25 000
4.8.1 A helicopter intended to be operated at flight
altitudes at which the atmospheric pressure is less than
700 hPa in personnel compartments shall be equipped with
oxygen storage and dispensing apparatus capable of storing
and dispensing the oxygen supplies required in 2.3.8.1.
4.8.2 A helicopter intended to be operated at flight
altitudes at which the atmospheric pressure is less than
700 hPa but which is provided with means of maintaining
pressures greater than 700 hPa in personnel compartments
shall be provided with oxygen storage and dispensing
apparatus capable of storing and dispensing the oxygen
supplies required in 2.3.8.2.
Section II, Chapter 4 Annex 6 — Operation of Aircraft
II-4-7 12/31/111/0/016
No. 11
4.8.3 A helicopter intended to be operated at flight
altitudes at which the atmospheric pressure is more than
376 hPa which cannot descend safely within four minutes to a
flight altitude at which the atmospheric pressure is equal to
620 hPa, and for which the individual certificate of
airworthiness was issued on or after 9 November 1998, shall
be provided with automatically deployable oxygen equipment
to satisfy the requirements of 2.3.8.2. The total number of
oxygen dispensing units shall exceed the number of passenger
and cabin crew seats by at least 10 per cent.
4.8.4 Recommendation.— A helicopter intended to be
operated at flight altitudes at which the atmospheric pressure
is more than 376 hPa which cannot descend safely within four
 
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