Page 837 - UK Air Operations Regulations 201121

~ Regulation SPO - ANNEX VIII - Specialised Operations n trik

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Table 1: Timescale within which the most vulnerable individuals are likely to s uccumb to the
prevailing conditions.
d othi ng assembly Beaufort wind Times within which the most vulnerable individuals
force are likely to drown
(water te mp S'C) (water temp 13' C)
Working clothes 0 - 2 Within¾ hour Within 1 ~ hours

Clothing assembly si,aufort wind Times within which the most vulnerable individuals
force are likely to drm.,.m
(water te mp S'C) (wate r temp 13'C)
(no immersion suit )
3 - 4 Within ½ hour Within ½ hour
5 a11d a bove Significantly less tha n ½ Significant ly less than ½
hour hour
Immersion s.uit worn 0 - 2 May \'l'ell exceed 3 ilours May well exceed 3 hours
over workjng clot he5
(with leakage inside 3 - 4 Wit hin 2 ¾ hours May well exceed 3 hours
su it)
5 and above Significantly less than 2 ¼ May well exceed 3 hours
hours. May we II exceed 1
hour
SPO.IDE.H.199 Life-rafts, survival ELTs and survival equipment on extended overwater flights —complex motor-powered
helicopters
Helicopters operated:
(a) on a flight over water at a distance from land corresponding to more than 10 minutes flying
time at normal cruising speed where in the case of the critical engine failure, the helicopter
is able to sustain level flight; or
(b) on a flight over water at a distance corresponding to more than 3 minutes flying time at
normal cruising speed, where in the case of the critical engine failure, the helicopter is not
able to sustain level flight, and if so determined by the pilot-in-command by means of a risk
assessment, shall be equipped with:
(1) at least one life-raft with a rated capacity of not less than the maximum number of
persons on board, stowed so as to facilitate their ready use in emergency;
(2) at least one survival ELT (ELT(S)) for each required life-raft; and
(3) life-saving equipment, including means of sustaining life, as appropriate to the flight
to be undertaken.
SPO.IDE.H.199 AMC1 Life-rafts, survival ELTs and survival equipment on extended overwater flights – complex motor-powered
helicopters
LIFE-RAFTS AND EQUIPMENT FOR MAKING DISTRESS SIGNALS
(a) Each required life-raft should conform to the following specifications:
(1) be of an approved design and stowed so as to facilitate their ready use in an
emergency;
(2) be radar conspicuous to standard airborne radar equipment;
(3) when carrying more than one life-raft on board, at least 50 % of the rafts should be
able to be deployed by the crew while seated at their normal station, where
necessary by remote control; and
(4) life-rafts that are not deployable by remote control or by the crew should be of such
weight as to permit handling by one person. 40 kg should be considered a maximum
weight.
(b) Each required life-raft should contain at least the following:
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