曝光台 注意防骗
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be issued to prevent the possibility of the aircraft
inadvertently taxiing onto the runway and/or
beginning takeoff roll. In such cases, append one of
the following ATC instructions as appropriate:
1. HOLD SHORT OF RUNWAY, or
2. HOLD IN POSITION.
m. USAF/USN. When issuing additional instructions
or information to an aircraft holding in takeoff
position, include instructions to continue holding or
taxi off the runway, unless it is cleared for takeoff.
PHRASEOLOGYCONTINUE
HOLDING,
or
TAXI OFF THE RUNWAY.
REFERENCEFAAO
JO 7110.65, Para 3-10-10, Altitude Restricted Low Approach.
3-9-5. ANTICIPATING SEPARATION
Takeoff clearance needs not be withheld until
prescribed separation exists if there is a reasonable
assurance it will exist when the aircraft starts takeoff
roll.
REFERENCEP/
CG Term- Clear of the Runway.
3-9-6. SAME RUNWAY SEPARATION
Separate a departing aircraft from a preceding
departing or arriving aircraft using the same runway
by ensuring that it does not begin takeoff roll until:
a. The other aircraft has departed and crossed the
runway end or turned to avert any conflict. (See
FIG 3-9-1.) If you can determine distances by
reference to suitable landmarks, the other aircraft
needs only be airborne if the following minimum
distance exists between aircraft: (See FIG 3-9-2.)
1. When only Category I aircraft are involved-
3,000 feet.
2. When a Category I aircraft is preceded by a
Category II aircraft- 3,000 feet.
3. When either the succeeding or both are
Category II aircraft- 4,500 feet.
4. When either is a Category III aircraft-
6,000feet.
5. When the succeeding aircraft is a helicopter,
visual separation may be applied in lieu of using
distance minima.
FIG 3-9-1
Same Runway Separation
[View 1]
FIG 3-9-2
Same Runway Separation
[View 2]
NOTEAircraft
same runway separation (SRS) categories are
specified in Appendices A, B, and C and based upon the
following definitions:
CATEGORY I- small aircraft weighing 12,500 lbs. or less,
with a single propeller driven engine, and all helicopters.
CATEGORY II- small aircraft weighing 12,500 lbs. or
less, with propeller driven twin-engines.
CATEGORY III- all other aircraft.
b. A preceding landing aircraft is clear of the
runway. (See FIG 3-9-3.)
2/14/08 JO 7110.65S
Departure Procedures and Separation 3-9-5
FIG 3-9-3
Preceding Landing Aircraft Clear of Runway
REFERENCEP/
CG Term- Clear of the Runway.
WAKE TURBULENCE APPLICATION
c. Do not issue clearances which imply or indicate
approval of rolling takeoffs by heavy jet aircraft
except as provided in para 3-1-14, Ground
Operations When Volcanic Ash is Present.
d. Do not issue clearances to a small aircraft to taxi
into position and hold on the same runway behind a
departing heavy jet aircraft to apply the necessary
intervals.
REFERENCEAC
90-23, Aircraft Wake Turbulence.
e. The minima in para 5-5-4, Minima, may be
applied in lieu of the 2 minute requirement in
subparaf. When para 5-5-4, Minima, are applied,
ensure that the appropriate radar separation exists at
or prior to the time an aircraft becomes airborne when
taking off behind a heavy jet/B757.
NOTEThe
pilot may request additional separation; i.e., 2 minutes
vs. 4 miles, but should make this request before taxiing on
the runway.
f. Separate IFR/VFR aircraft taking off behind a
heavy jet/B757 departure by 2 minutes, when
departing:
NOTETakeoff
clearance to the following aircraft should not be
issued until 2 minutes after the heavy jet/B757 begins
takeoff roll.
1. The same runway. (See FIG 3-9-4.)
FIG 3-9-4
2 Minute Separation
2. A parallel runway separated by less than
2,500 feet.
g. Separate an aircraft from a heavy jet/B757 when
operating on a runway with a displaced landing
threshold if projected flight paths will cross-
2minutes when:
1. A departure follows a heavy jet/B757 arrival.
2. An arrival follows a heavy jet/B757 departure.
h. Air traffic controllers shall not approve pilot
requests to deviate from the required wake turbulence
time interval if the preceding aircraft is a heavy
jet/B757.
i. Separate a small aircraft behind a large aircraft
taking off or making a low/missed approach when
utilizing opposite direction takeoffs on the same
runway by 3 minutes unless a pilot has initiated a
request to deviate from the 3-minute interval. In the
latter case, issue a wake turbulence advisory before
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