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word then" between, indicates the expected order of
execution; i.e., DESCEND AND MAINTAIN
(altitude); THEN, REDUCE SPEED TO (speed)," or
REDUCE SPEED TO (speed); THEN, DESCEND
AND MAINTAIN (altitude)."
NOTE−
The maximum speeds below 10,000 feet as established in
14 CFR Section 91.117 still apply. If there is any doubt
concerning the manner in which such a clearance is to be
executed, request clarification from ATC.
33.7If ATC determines (before an approach
clearance is issued) that it is no longer necessary to
apply speed adjustment procedures, they will inform
the pilot to resume normal speed. Approach
clearances supersede any prior speed adjustment
assignments, and pilots are expected to make their
own speed adjustments, as necessary, to complete the
approach. Under certain circumstances however, it
may be necessary for ATC to issue further speed
adjustments after approach clearance is issued to
maintain separation between successive arrivals.
Under such circumstances, previously issued speed
adjustments will be restated if that speed is to be
maintained or additional speed adjustments are
requested. ATC must obtain pilot concurrence for
speed adjustments after approach clearances are
issued. Speed adjustments should not be assigned
inside the final approach fix on final or a point 5 miles
from the runway, whichever is closer to the runway.
NOTE−
An instruction to resume normal speed" does not delete
speed restrictions that are contained in a published
procedure, unless specifically stated by ATC, nor does it
relieve the pilot of those speed restrictions which are
applicable to 14 CFR Section 91.117.
33.8The pilots retain the prerogative of rejecting the
application of speed adjustment by ATC if the
minimum safe airspeed for any particular operation is
greater than the speed adjustment. IN SUCH CASES,
PILOTS ARE EXPECTED TO ADVISE ATC OF
THE SPEED THAT WILL BE USED.
33.9Pilots are reminded that they are responsible for
rejecting the application of speed adjustment by ATC
if, in their opinion, it will cause them to exceed the
maximum indicated airspeed prescribed by 14 CFR
Section 91.117(a), (c) and (d). IN SUCH CASES,
THE PILOT IS EXPECTED TO SO INFORM ATC.
Pilots operating at or above 10,000 feet MSL who are
issued speed adjustments which exceed 250 knots
IAS and are subsequently cleared below 10,000 feet
MSL are expected to comply with 14 CFR
Section91.117(a).
33.10Speed restrictions of 250 knots do not apply to
U.S. registered aircraft operating beyond 12 nautical
miles from the coastline within the U.S. Flight
Information Region, in Class E airspace below
10,000 feet MSL. However, in airspace underlying a
Class B airspace area designated for an airport, or in
a VFR corridor designated through such as a Class B
airspace area, pilots are expected to comply with the
200 knot speed limit specified in 14 CFR
Section91.117(c).
33.11For operations in a Class C and Class D surface
area, ATC is authorized to request or approve a speed
greater than the maximum indicated airspeeds
prescribed for operation within that airspace (14 CFR
Section 91.117(b)).
NOTE−
Pilots are expected to comply with the maximum speed of
200 knots when operating beneath Class B airspace or in
a Class B VFR corridor (14 CFR Section 91.117(c)
and(d)).
AIP ENR 1.1−31
United States of America 15 MAR 07
Federal Aviation Administration Nineteenth Edition
33.12When in communication with the ARTCC or
approach control facility, pilots should, as a good
operating practice, state any ATC assigned speed
restriction on initial radio contact associated with an
ATC communications frequency change.
34. Runway Separation
34.1Tower controllers establish the sequence of
arriving and departing aircraft by requiring them to
adjust flight or ground operation as necessary to
achieve proper spacing. They may HOLD" an
aircraft short of the runway to achieve spacing
between it and another arriving aircraft; the controller
may instruct a pilot to EXTEND DOWNWIND" in
order to establish spacing from another arriving or
departing aircraft. At times a clearance may include
the word IMMEDIATE." For example:
CLEARED FOR IMMEDIATE TAKEOFF." In
such cases IMMEDIATE" is used for purposes of air
traffic separation. It is up to the pilot to refuse the
clearance if, in the pilot’s opinion, compliance would
adversely affect the operation.
35. Visual Separation
　
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