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2/14/08 AIM
Arrival Procedures 5-4-1
Section 4. Arrival Procedures
5-4-1. Standard Terminal Arrival (STAR),
Area Navigation (RNAV) STAR, and Flight
Management System Procedures (FMSP)
for Arrivals
a. A STAR is an ATC coded IFR arrival route
established for application to arriving IFR aircraft
destined for certain airports. RNAV STAR/FMSP
procedures for arrivals serve the same purpose but are
only used by aircraft equipped with FMS or GPS. The
purpose of both is to simplify clearance delivery
procedures and facilitate transition between en route
and instrument approach procedures.
1. STAR/RNAV STAR/FMSP procedures may
have mandatory speeds and/or crossing altitudes
published. Other STARs may have planning
information depicted to inform pilots what clearances
or restrictions to “expect.” “Expect” altitudes/speeds
are not considered STAR/RNAV STAR/FMSP
procedures crossing restrictions unless verbally
issued by ATC.
NOTEThe
“expect” altitudes/speeds are published so that pilots
may have the information for planning purposes. These
altitudes/speeds shall not be used in the event of lost
communications unless ATC has specifically advised the
pilot to expect these altitudes/speeds as part of a further
clearance.
REFERENCE-
14 CFR Section 91.185(c)(2)(iii).
2. Pilots navigating on STAR/RNAV STAR/
FMSP procedures shall maintain last assigned
altitude until receiving authorization to descend so as
to comply with all published/issued restrictions. This
authorization will contain the phraseology
“DESCEND VIA.”
(a) Clearance to “descend via” authorizes
pilots to:
(1) Vertically and laterally navigate on a
STAR/RNAV STAR/FMSP.
(2) When cleared to a waypoint depicted on
a STAR/RNAV STAR/FMSP, to descend from a
previously assigned altitude at pilot's discretion to the
altitude depicted for that waypoint, and once
established on the depicted arrival, to navigate
laterally and vertically to meet all published
restrictions.
NOTE-
1. Air traffic is responsible for obstacle clearance when
issuing a “descend via” instruction to the pilot. The
descend via is used in conjunction with STARs/RNAV
STARs/FMSPs to reduce phraseology by not requiring the
controller to restate the altitude at the next waypoint/fix to
which the pilot has been cleared.
2. Air traffic will assign an altitude to cross the
waypoint/fix, if no altitude is depicted at the waypoint/fix,
for aircraft on a direct routing to a STAR/RNAV
STAR/FMSP.
3. Minimum en route altitudes (MEA) are not considered
restrictions; however, pilots are expected to remain above
MEAs.
EXAMPLE-
1. Lateral/routing clearance only.
“Cleared Hadly One arrival.”
2. Routing with assigned altitude.
“Cleared Hadly One arrival, descend and maintain
Flight Level two four zero.”
“Cleared Hadly One arrival, descend at pilot's
discretion, maintain Flight Level two four zero.”
3. Lateral/routing and vertical navigation clearance.
“Descend via the Civit One arrival.”
“Descend via the Civit One arrival, except, cross
Arnes at or above one one thousand.”
4. Lateral/routing and vertical navigation clearance
when assigning altitude not published on procedure.
“Descend via the Haris One arrival, except after
Bruno, maintain one zero thousand.”
“Descend via the Haris One arrival, except cross
Bruno at one three thousand then maintain one zero
thousand.”
5. Direct routing to intercept a STAR/RNAV STAR/
FMSP and vertical navigation clearance.
“Proceed direct Mahem, descend via Mahem One
arrival.”
“Proceed direct Luxor, cross Luxor at or above flight
level two zero zero, then descend via the Ksino One
Arrival.”
NOTE-
1. In Example 2, pilots are expected to descend to FL 240
as directed, and maintain FL 240 until cleared for further
vertical navigation with a newly assigned altitude or a
“descend via” clearance.
2. In Example 4, the aircraft should track laterally and
vertically on the Haris One arrival and should descend so
AIM 2/14/08
5-4-2 Arrival Procedures
as to comply with all speed and altitude restrictions until
reaching Bruno and then maintain 10,000. Upon reaching
10,000, aircraft should maintain 10,000 until cleared by
ATC to continue to descend.
(b) Pilots cleared for vertical navigation
using the phraseology “descend via” shall inform
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