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Regulation OTAR Part 125 - Complex General Aviation
distance available need not apply to the declared safe area.
OTAR.125.555 Steep approaches – aeroplanes
An operator requiring the use of steep approaches (using glideslope angles of 4.5º or more) shall require
an approval by the Governor. (See Appendix 1 to 125.555)
OTAR.125.555 APP1 Steep approach procedures
(a) The Governor may approve the application of steep approach procedures using glide slope
angles of 4.5° or more, and with screen heights of less than 50 ft but not less than 35 ft, provided
that the following criteria are met:
(1) the aeroplane flight manual must state the maximum approved glide slope angle, any
other limitations, normal, abnormal or emergency procedures for the steep approach
as well as amendments to the field length data when using steep approach criteria;
(2) a suitable glide path reference system, comprising at least a visual glide path indicating
system, must be available at each aerodrome at which steep approach procedures
are to be conducted; and
(3) weather minima must be specified and approved for each runway to be used with a
steep approach. Consideration must be given to the following:
(i) the obstacle situation;
(ii) the type of glide path reference and runway guidance such as visual aids,
MLS, 3D–NAV, ILS, LLZ, VOR, NDB;
(iii) the minimum visual reference to be required at DH and MDA;
(iv) available airborne equipment;
(v) pilot qualification and special aerodrome familiarisation;
(vi) aeroplane flight manual limitations and procedures; and
(vii) missed approach criteria.
OTAR.125.560 Performance – mass limitation
The operator shall ensure that:
(a) the mass of the aeroplane at the start of any take off shall not exceed:
(1) the mass at which 125.575 or 125.580 can be complied with; and
(2) the mass at which 125.585 and 125.590 can be complied with, allowing for expected
reductions in mass as the flight proceeds, for any fuel jettisoning that may be
envisaged, and the use of alternate aerodromes;
(b) in no case shall the mass at the start of take off exceed the maximum take off mass specified in
the flight manual for that pressure altitude appropriate to the aerodrome elevation and, if used as
a parameter to determine the maximum take off mass any other local atmospheric condition;
(c) in no case shall the estimated mass for the expected time of landing at the planned destination
aerodrome and at any destination alternate aerodrome, exceed the maximum landing mass
specified in the flight manual for the pressure altitude appropriate to the aerodrome elevation(s),
and if used as a parameter to determine the maximum landing mass, any other local
atmospheric condition; and
(d) the mass of the aeroplane at the time of take-off, or at the expected time of landing at the
destination and at any planned alternate does not exceed the maximum mass at which the
applicable noise certification has been granted unless otherwise authorised by the Governor.
OTAR.125.575 Take-off
(a) The operator shall ensure that an aeroplane of MTOM greater than 5,700 kg is able, in the event
of a critical power-unit failing at any point in the take-off, either to discontinue the take-off and
stop within either the accelerate-stop distance available or the runway available, or to continue
the take-off and clear all obstacles along the flight path by an adequate margin until the aeroplane
is in a position to comply with 125.585.
OTAR.125.580 Aeroplane climb performance
(a) The operator shall ensure that pilots are provided with operating instructions and with information
on aeroplane climb performance sufficient to enable the pilot in command to determine the climb
gradient that can be achieved during the departure phase for the existing take off conditions and
using the intended take off technique.
(b) The information required by (a) shall be made available within the operations manual.
OTAR.125.585 En-route mass
The operator shall ensure that any aeroplane of MTOM greater than 5,700kg shall be able, in the event of
the critical engine becoming inoperative at any point along the route or any planned diversion route, to
continue the flight to an aerodrome at which the requirements of 125.590 can be met, without flying below
the minimum obstacle clearance altitude at any point.
OTAR.125.590 Landing mass
The operator shall ensure that:
(a) an aeroplane shall at the planned destination aerodrome and at any alternate aerodrome, after
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