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ATC by requiring minimal communication and navigation support. [Figure 2-23].
A Vector SID usually requires ATC to provide radar
vectors from just after takeoff (ROC is based on a climb
to 400 feet above the DER elevation before making the
initial turn) until reaching the assigned route or a fix
depicted on the SID chart. However, some textual
ODPs originate in uncontrolled airspace, while the SID
begins in controlled airspace. Vector SIDs do not
include departure routes or transition routes because
independent pilot navigation is not involved. The procedure sets forth an initial set of departure instructions
that typically include an initial heading and altitude.
ATC must have radar contact with the aircraft to be able
to provide vectors. ATC expects you to immediately
comply with radar vectors and they expect you to notify
them if you are unable to fulfill their request. ATC also
expects you to make contact immediately if an instruction will cause you to compromise safety due to
obstructions or traffic.
It is prudent to review vector SID charts prior to use
because this type of procedure often includes nonstandard lost communication procedures. If you were to
lose radio contact while being vectored by ATC, you
would be expected to comply with the lost communication procedure as outlined on the chart, not necessarily
those procedures outlined in the AIM. [Figure 2-24 on
page 2-24]
FLIGHT PLANNING CONSIDERATIONS
Take into consideration the departure paths included
in the SIDs and determine if you can use a standardized departure procedure. You have the opportunity to
choose the SID that best suits your flight plan. During
the flight planning phase, you can investigate each
departure and determine which procedure allows you
to depart the airport in the direction of your intended
flight. Also consider how a climb gradient to a specific altitude will affect the climb time and fuel burn
portions of the flight plan. If ATC assigns you a SID,
you may need to quickly recalculate your performance numbers.
PROCEDURAL NOTES
Another important consideration to make during your
flight planning is whether or not you are able to fly
your chosen departure procedure as charted. Notes giving procedural requirements are listed on the graphic
portion of a departure procedure, and they are mandatory in nature. [Figure 2-25 on page 2-25] Mandatory
procedural notes may include:
• Aircraft equipment requirements (DME, ADF,
etc.).
• ATC equipment in operation (RADAR).
• Minimum climb requirements.
• Restrictions for specific types of aircraft (TUR-
BOJET ONLY).
• Limited use to certain destinations.
There are numerous procedural notes requiring specific compliance on your part. Carefully review the
charts for the SID you have selected to ensure you can
use the procedures. If you are unable to comply with a
specific requirement, you must not file the procedure
as part of your flight plan, and furthermore, you must
not accept the procedure if ATC assigns it. Cautionary
statements may also be included on the procedure to
notify you of specific activity, but these are strictly
advisory. [Figure 2-26 on page 2-26]
DP RESPONSIBILITY
Responsibility for the safe execution of departure procedures rests on the shoulders of both ATC and the
pilot. Without the interest and attention of both parties,
the IFR system cannot work in harmony, and achievement of safety is impossible.
ATC, in all forms, is responsible for issuing clearances
appropriate to the operations being conducted, assigning
altitudes for IFR flight above the minimum IFR altitudes
for a specific area of controlled airspace, ensuring the
pilot has acknowledged the clearance or instructions,
and ensuring the correct read back of instructions.
Specifically related to departures, ATC is responsible for
specifying the direction of takeoff or initial heading
when necessary, obtaining pilot concurrence that the
procedure complies with local traffic patterns, terrain,
and obstruction clearance, and including departure
procedures as part of the ATC clearance when pilot
compliance for separation is necessary.
The pilot has a number of responsibilities when simply
operating in conjunction with ATC or when using
departure procedures under an IFR clearance:
• Acknowledge receipt and understanding of an
ATC clearance.
• Read back any part of a clearance that contains
“hold short” instructions.
• Request clarification of clearances.
2-23
• Request an amendment to a clearance if it is unacceptable from a safety perspective.
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Instrument Procedures Handbook (IPH)仪表程序手册下(50)
