Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(7)

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.  ‘Medical passenger’ means a medical person carried in a helicopter during a HEMS flight, including but not limited to doctors, nurses and paramedics.
.  ‘Night’ means the period between the end of evening civil twilight and the beginning of morning civil twilight or such other period between sunset and sunrise as may be prescribed by the appropriate authority, as defined by the Member State.
.  ‘Night vision goggles (NVG)’ means a head-mounted, binocular, light intensification appliance that enhances the ability to maintain visual surface references at night.
.  ‘Night vision imaging system (NVIS)’ means the integration of all elements required to successfully and safely use NVGs while operating a helicopter. The system includes as a minimum: NVGs, NVIS lighting, helicopter components, training and continuing airworthiness.
.  ‘Non-hostile environment’ means an environment in which:
(a)  
a safe forced landing can be accomplished;

(b)  
the helicopter occupants can be protected from the elements; and

(c)  
search and rescue response/capability is provided consistent with the

anticipated exposure. In any case, those parts of a congested area with adequate safe forced landing areas shall be considered non-hostile.
.  ‘Non-precision approach (NPA) operation’ means an instrument approach with a minimum descent height (MDH), or DH when flying a CDFA technique, not lower than 250 ft and an RVR/CMV of not less than 750 m for aeroplanes and 600 m for helicopters.
.  ‘NVIS crew member’ means a technical crew member assigned to an NVIS flight.
.  ‘NVIS flight’ means a flight under night visual meteorological conditions (VMC) with the flight crew using NVGs in a helicopter operating under an NVIS approval.
. ‘Offshore operations’ means operations which routinely have a substantial
proportion of the flight conducted over sea areas to or from offshore locations. 
. ‘Operating site’ means a site, other than an aerodrome, selected by the operator or

pilot-in-command or commander for landing, take-off and/or external load operations.
.  ‘Operation in performance class 1’ means an operation that, in the event of failure of the critical engine, the helicopter is able to land within the rejected take-off distance available or safely continue the flight to an appropriate landing area, depending on when the failure occurs.
.  ‘Operation in performance class 2’ means an operation that, in the event of failure of the critical engine, performance is available to enable the helicopter to safely continue the flight, except when the failure occurs early during the take-off manoeuvre or late in the landing manoeuvre, in which cases a forced landing may
be required.
　
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本文链接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(7)