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operator.
3. Recommended Criteria
(a) Minimum one-third rotor diameter
clearance (1/3 RD). The landing helicopter maintains
a minimum 1/3 RD clearance between the tips of
its turning rotor and the closest part of a parked and
secured helicopter (rotors stopped and tied down).
(b) Three foot parking distance from deck
edge (3'). Helicopters operating on an offshore
helideck land or park the helicopter with a skid/wheel
assembly no closer than 3 feet from helideck edge.
(c) Tiedowns. Main rotors on all helicopters
that are shut down be properly secured (tied down) to
prevent the rotor blades from turning.
(d) Medium (transport) and larger helicopters
should not land on any offshore helideck where a light
helicopter is parked unless the light helicopter is
property secured to the helideck and has main rotor
tied down.
(e) Helideck owners/operators should ensure
that the helideck has a serviceable anti-skid surface.
4. Weight and limitations markings on
helideck. The helideck weight limitations should be
displayed by markings visible to the pilot (see State
of Louisiana “Offshore Heliport Design Guide” and
FAA Advisory Circular AC 150/5390-2A, Heliport
Design Guide).
NOTESome
offshore helideck owners/operators have restrictions
on the number of helicopters allowed on a helideck. When
helideck size permits, multiple (more than two) helicopter
operations are permitted by some operators.
m. Helicopter Rapid Refueling Procedures
(HRR)
1. Background. Helicopter Rapid Refueling
(HRR), engine(s)/rotors operating, can be conducted
safely when utilizing trained personnel and observing
safe practices. This recommended practice provides
minimum guidance for HRR as outlined in National
Fire Protection Association (NFPA) and industry
practices. For detailed guidance, please refer to
National Fire Protection Association (NFPA) Document
407, “Standard for Aircraft Fuel Servicing,”
1990 edition, including 1993 HRR Amendment.
NOTECertain
operators prohibit HRR, or “hot refueling,” or
may have specific procedures for certain aircraft or
refueling locations. See the General Operations Manual
and/or Operations Specifications to determine the
applicable procedures or limitations.
2. Recommended Practices
(a) Only turbine-engine helicopters fueled
with JET A or JET A-1 with fueling ports located
below any engine exhausts may be fueled while an
onboard engine(s) is (are) operating.
(b) Helicopter fueling while an onboard
engine(s) is (are) operating should only be conducted
under the following conditions:
(1) A properly certificated and current pilot
is at the controls and a trained refueler attending the
fuel nozzle during the entire fuel servicing process.
The pilot monitors the fuel quantity and signals the
refueler when quantity is reached.
2/14/08 AIM
Special Operations 10-2-7
(2) No electrical storms (thunderstorms)
are present within 10 nautical miles. Lightning can
travel great distances beyond the actual thunderstorm.
(3) Passengers disembark the helicopter
and move to a safe location prior to HRR operations.
When the pilot-in-command deems it necessary for
passenger safety that they remain onboard, passengers
should be briefed on the evacuation route to
follow to clear the area.
(4) Passengers not board or disembark
during HRR operations nor should cargo be loaded or
unloaded.
(5) Only designated personnel, trained in
HRR operations should conduct HRR written
authorization to include safe handling of the fuel and
equipment. (See your Company Operations/Safety
Manual for detailed instructions.)
(6) All doors, windows, and access points
allowing entry to the interior of the helicopter that are
adjacent to or in the immediate vicinity of the fuel
inlet ports kept closed during HRR operations.
(7) Pilots insure that appropriate electrical/
electronic equipment is placed in standby-off
position, to preclude the possibility of electrical
discharge or other fire hazard, such as [i.e., weather
radar is on standby and no radio transmissions are
made (keying of the microphone/transmitter)].
Remember, in addition to communications radios,
radio transmissions are also emitted by aircraft radar,
transponders, radar altimeters, DME equipment, and
ELTs.
(8) Smoking be prohibited in and around
the helicopter during all HRR operations.
The HRR procedures are critical and present
associated hazards requiring attention to detail
regarding quality control, weather conditions, static
　
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