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clearing the aircraft for takeoff.
NOTE-
1. A request for takeoff does not initiate a waiver request.
2. To initiate a waiver of the 3 minute rule, the request for
takeoff must be accompanied by a request to deviate from
the 3-minute rule.
REFERENCEFAAO
JO 7110.65, Appendix A, Appendix B, and Appendix C, Aircraft
Information.
j. Separate aircraft behind a heavy jet/B757
departing or making a low/missed approach when
utilizing opposite direction takeoffs or landings on
the same or parallel runways separated by less than
2,500 feet- 3 minutes.
JO 7110.65S 2/14/08
3-9-6 Departure Procedures and Separation
k. Inform an aircraft when it is necessary to hold
in order to provide the required 3-minute interval.
PHRASEOLOGYHOLD
FOR WAKE TURBULENCE.
REFERENCEFAAO
JO 7110.65, Para 3-9-7, Wake Turbulence Separation for
Intersection Departures.
3-9-7. WAKE TURBULENCE SEPARATION
FOR INTERSECTION DEPARTURES
a. Apply the following wake turbulence criteria
for intersection departures:
1. Separate a small aircraft taking off from an
intersection on the same runway (same or opposite
direction takeoff) behind a preceding departing large
aircraft by ensuring that the small aircraft does not
start takeoff roll until at least 3 minutes after the large
aircraft has taken off.
2. Separate any aircraft taking off from an
intersection on the same runway (same or opposite
direction takeoff), parallel runways separated by less
than 2,500 feet, and parallel runways separated by
less than 2,500 feet with runway thresholds offset by
500 feet or more, by ensuring that the aircraft does not
start takeoff roll until at least 3 minutes after a heavy
aircraft/B757 has taken off.
NOTEParallel
runways separated by less than 2,500 feet with
runway thresholds offset by less than 500 feet shall apply
para 3-9-6, Same Runway Separation, subpara f.
3. Separate a small aircraft weighing 12,500 lbs.
or less taking off from an intersection on the same
runway (same or opposite direction takeoff) behind a
preceding small aircraft weighing more than
12,500lbs. by ensuring the following small aircraft
does not start takeoff roll until at least 3 minutes after
the preceding aircraft has taken off.
4. Inform an aircraft when it is necessary to hold
in order to provide the required 3-minute interval.
PHRASEOLOGYHOLD
FOR WAKE TURBULENCE.
NOTEAircraft
conducting touch‐and‐go and stop‐and‐go
operations are considered to be departing from an
intersection.
REFERENCEFAAO
JO 7110.65, Para3-8-2, Touch-and-Go or Stop-and-Go or
Low Approach.
b. The 3-minute interval is not required when:
1. A pilot has initiated a request to deviate from
that interval unless the preceding departing aircraft is
a heavy aircraft/B757.
NOTEA
request for takeoff does not initiate a waiver request; the
request for takeoff must be accomplished by a request to
deviate from the 3-minute interval.
2. USA NOT APPLICABLE. The intersection
is 500 feet or less from the departure point of the
preceding aircraft and both aircraft are taking off in
the same direction.
3. Successive touch-and-go and stop-and-go
operations are conducted with a small aircraft
following another small aircraft weighing more than
12,500 lbs. or a large aircraft in the pattern, or a small
aircraft weighing more than 12,500 lbs. or a large
aircraft departing the same runway, provided the pilot
of the small aircraft is maintaining visual separation/
spacing behind the preceding large aircraft. Issue a
wake turbulence cautionary advisory and the position
of the large aircraft.
EXAMPLE-
“Caution wake turbulence, DC-9 on base leg.”
4. Successive touch‐and‐go and stop‐and‐go
operations are conducted with any aircraft following
a heavy aircraft/B757 in the pattern, or heavy
aircraft/B757 departing the same runway, provided
the pilot of the aircraft is maintaining visual
separation/spacing behind the preceding heavy
aircraft/B757. Issue a wake turbulence cautionary
advisory and the position of the heavy aircraft/B757.
EXAMPLE-
“Caution wake turbulence, heavy Lockheed C5A departing
runway two three.”
5. If action is initiated to reduce the separation
between successive touch‐and‐go or stop‐and‐go
operations, apply 3 minutes separation.
c. When applying the provision of subpara b:
1. Issue a wake turbulence advisory before
clearing the aircraft for takeoff.
2. Do not clear the intersection departure for an
　
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