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时间:2010-05-28 00:54来源:蓝天飞行翻译 作者:admin
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a. Pilot.
1. Advises ATC any time cruising airspeed
varies plus or minus 5 percent or 10 knots, whichever
is greater, from that given in the flight plan.
2. Complies with speed adjustments from ATC
unless:
(a) The minimum or maximum safe airspeed
for any particular operation is greater or less than the
requested airspeed. In such cases, advises ATC.
NOTE−
It is the pilot’s responsibility and prerogative to refuse
speed adjustments considered excessive or contrary to the
aircraft’s operating specifications.
(b) Operating at or above 10,000 feet MSL on
an ATC assigned SPEED ADJUSTMENT of more
than 250 knots IAS and subsequent clearance is
received for descent below 10,000 feet MSL. In such
cases, pilots are expected to comply with 14 CFR
Section 91.117(a).
3. When complying with speed adjustment
assignments, maintains an indicated airspeed within
plus or minus 10 knots or 0.02 Mach number of the
specified speed.
b. Controller.
1. Assigns speed adjustments to aircraft when
necessary but not as a substitute for good vectoring
technique.
2. Adheres to the restrictions published in the
FAA Order 7110.65, Air Traffic Control, as to when
speed adjustment procedures may be applied.
3. Avoids speed adjustments requiring alternate
decreases and increases.
4. Assigns speed adjustments to a specified IAS
(KNOTS)/Mach number or to increase or decrease
speed using increments of 10 knots or multiples
thereof.
5. Advises pilots to resume normal speed when
speed adjustments are no longer required.
6. Gives due consideration to aircraft capabilities
to reduce speed while descending.
7. Does not assign speed adjustments to aircraft
at or above FL 390 without pilot consent.
5−5−10. Traffic Advisories (Traffic
Information)
a. Pilot.
1. Acknowledges receipt of traffic advisories.
2. Informs controller if traffic in sight.
3. Advises ATC if a vector to avoid traffic is
desired.
4. Does not expect to receive radar traffic
advisories on all traffic. Some aircraft may not appear
on the radar display. Be aware that the controller may
be occupied with higher priority duties and unable to
issue traffic information for a variety of reasons.
5. Advises controller if service is not desired.
b. Controller.
1. Issues radar traffic to the maximum extent
consistent with higher priority duties except in
Class A airspace.
2. Provides vectors to assist aircraft to avoid
observed traffic when requested by the pilot.
3. Issues traffic information to aircraft in the
Class B, Class C, and Class D surface areas for
sequencing purposes.
2/17/05 AIM
Pilot/Controller Roles and Responsibilities 5−5−5
5−5−11. Visual Approach
a. Pilot.
1. If a visual approach is not desired, advises
ATC.
2. Complies with controller’s instructions for
vectors toward the airport of intended landing or to a
visual position behind a preceding aircraft.
3. The pilot must, at all times, have either the
airport or the preceding aircraft in sight. After being
cleared for a visual approach, proceed to the airport
in a normal manner or follow the preceding aircraft.
Remain clear of clouds while conducting a visual
approach.
4. If the pilot accepts a visual approach clearance
to visually follow a preceding aircraft, you are
required to establish a safe landing interval behind the
aircraft you were instructed to follow. You are
responsible for wake turbulence separation.
5. Advise ATC immediately if the pilot is unable
to continue following the preceding aircraft, cannot
remain clear of clouds, or lose sight of the airport.
6. Be aware that radar service is automatically
terminated, without being advised by ATC, when the
pilot is instructed to change to advisory frequency.
7. Be aware that there may be other traffic in the
traffic pattern and the landing sequence may differ
from the traffic sequence assigned by approach
control or ARTCC.
b. Controller.
1. Do not clear an aircraft for a visual approach
unless reported weather at the airport is ceiling at or
above 1,000 feet and visibility is 3 miles or greater.
When weather is not available for the destination
airport, inform the pilot and do not initiate a visual
approach to that airport unless there is reasonable
assurance that descent and flight to the airport can be
made visually.
2. Issue visual approach clearance when the
pilot reports sighting either the airport or a preceding
 
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