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The LLWAS is designed to detect _________.
A. low level turbulence and wind gust
B. prevailing surface wind and thunderstorm activity
C. wind shear and microburst activity
D. microburst and windshift
C
LLWAS systems are comprised of at least ________ remote stations, one of which is designated the Airport Wind station.
A. three
B. four
C. five
D. six
D
Each remote station collects wind speed and direction data at its location and transmits this data back to _________.
A. the tower cab display
B. the master station
C. the TRACON display
D. the centerfield station
B
The wind information displayed on Line 1 of the tower cab LLWAS equipment displays a ________ average of the Airport Wind.
A. 30-second
B. 1-minute
C. 90-second
D. 2-minute
D
"COMMUNICATION FAILURE" displayed on Line 10 of the tower cab LLWAS equipment indicates that _________.
A. a centerfield station has failed
B. two or more remote stations are out of service
C. commercial power at all remote stations has failed
D. no data has been received for approximately 2 minutes
D
When a wind shear is detected by a remote station, an audible alarm will sound and _________.
A. all rows flash
B. the corresponding runway arrival/departure row will flash
C. all 9s are displayed
D. Line 1 flashes
B
What information is displayed on the LLWAS TRACON display?
A. 2-minute average of the Airport Wind
B. 30-second average Airport Wind direction and speed and wind gust
C. Airport Wind direction and speed only
D. Wind data from the row selected by the TRACON ATCs
A
If LLWAS senses a problem at one or more sensors, the tower cab display will indicate "____" on the affected Line(s)
A. COMMUNICATION FAILURE
B. DATA FAIL
C. STATION ERROR
D. COMM ERROR
C
What statement must be included on the ATIS following a report or indication of wind shear?
A. "WIND SHEAR ALERT. AIRPORT WIND (direction) AT (velocity). (Location of sensor) BOUNDARY WIND (direction) AT (velocity)."
B. "AIRPORT WIND SHEAR ALERT. (Location of sensor) BOUNDARY WIND (direction) AT (velocity)."
C. "LOW LEVEL WIND SHEAR ADVISORIES IN EFFECT."
D. "WIND SHEAR ALERT ADVISORY IN EFFECT FOR (location of sensor) BOUNDARY AND AIRPORT."
C
What statement must be included on the ATIS following a report or indication of wind shear?
A. "WIND SHEAR ALERT. AIRPORT WIND (direction) AT (velocity). (Location of sensor) BOUNDARY WIND (direction) AT (velocity)."
B. "AIRPORT WIND SHEAR ALERT. (Location of sensor) BOUNDARY WIND (direction) AT (velocity)."
C. "LOW LEVEL WIND SHEAR ADVISORIES IN EFFECT."
D. "WIND SHEAR ALERT ADVISORY IN EFFECT FOR (location of sensor) BOUNDARY AND AIRPORT."
C
A microburst can be extremely dangerous to all types and categories of aircraft, especially at low altitudes, because it causes the presence of _________.
A. a rapid change from tailwind to headwind conditions
B. severe updrafts
C. both vertical and horizontal wind shear
D. severe headwinds
C
For how long after the last report or indication of wind shear (or a microburst) should an advisory statement be included on the ATIS?
A. 5 minutes
B. 10 minutes
C. 15 minutes
D. 20 minutes
D
A small downburst with outflows of damaging winds that may extend ____ mile(s) or less in diameter is a microburst.
A. 1
B. 1.5
C. 2.5
D. 3
C
A wind speed less than _____ knot(s) will result in a "CALM" message being displayed on the LLWAS display panel.
A. 1
B. 2
C. 3
D. 4
C
The following is displayed on the LLWAS Tower Cab Display: "32A WSA 20K+ RWY 090 24". This is _____.
A. a microburst alert
B. a wind shear alert
C. an LLWAS alarm
D. an Airport Wind alert
B
Pilot reports of wind shear must be issued to all _______.
A. arriving and departing aircraft until the alert is broadcast on the ATIS and the pilots indicate they have received the appropriate ATIS.
B. arriving and departing aircraft until 15 minutes following the last report/alert received
C. arriving and departing aircraft in the terminal area
D. aircraft awaiting takeoff
A
A ___ is a change in wind speed and/or direction in a short distance, resulting in a tearing or shearing effect.
Wind shear
A ___ is a small downburst with outbursts of damaging winds extending 2.5 miles or less.
Microburst
A ___ is the leading edge of gusty surface winds from thunderstorm downdrafts
Gust front
LLWAS Components
Master Station
At least six, and up to thirty two, remote stations
Tower Cab Display
TRACON Display
TRACON Displays provide only ___
Airport Wind data
The occurrence of a column of air perpendicular to the ground with acceleration toward the ground defines a _______.
A. frontal passage
B. microburst
C. gust front
B
LLWAS systems are comprised of at least ________ remote stations, one of which is designated the Airport Wind station.
A. 4
B. 5
C. 6
C
The LLWAS display panel located in the TRACON is normally used to report wind conditions ________.
A. within the airport area
B. on a five-mile final
C. for a selected runway
A
Broadcast ___ minutes after reported wind shear or until ___ is produced for the wind shear
20
ATIS
A wind speed less than ___ will result in a "CALM" message being displayed on that Line
3 knots
If the display has received no data for approximately 2 minutes, Line 10 on the tower cab display will indicate "___".
Communication Failure
If LLWAS senses a problem at one or more sensors, the tower cab display will indicate "___" on the affected Line(s).
Station Error
If LLWAS receives no data from one or more sensors, the tower cab display will indicate "___" on the affected Line(s)
Comm Error
32-A WSA 20K+ RWY 090 24
RUNWAY THREE TWO ARRIVAL, WIND SHEAR ALERT, TWO ZERO KNOT GAIN, ON THE RUNWAY.
35RD MBA 35K- 1MD 180 20*
RUNWAY THREE FIVE RIGHT DEPARTURE MICROBURST ALERT, THREE FIVE KNOT LOSS, ONE MILE DEPARTURE. POSSIBLE WIND SHEAR OUTSIDE THE NETWORK
If the LLWAS receives no data from one or more sensors, the tower cab display will indicate "______" on the affected Line(s).
A. COMM ERROR
B. STATION ERROR
C. COMMUNICATION ERROR
A
What will alert the controller of a wind shear?
A. The Data Fail light will blink.
B. The audible alarm will sound.
C. The Airport Wind will flash.
B
If no data has been received for approximately _____, Line 10 on the tower cab display will indicate "COMMUNICATION FAILURE".
A. 30 seconds
B. 1 minute
C. 2 minutes
C
At facilities without ATIS, ensure that wind shear information is broadcast to all arriving and departing aircraft for ___ following the last report or indication of wind shear/microburst.
20 minutes
16-D WSA 25K+ 2MD 090 24
"RUNWAY ONE SIX DEPARTURE, WIND SHEAR ALERT, TWO FIVE KNOT GAIN, TWO MILE DEPARTURE."
A ___ is an unplanned abortive maneuver initiated by the pilot in command as a result of onboard cockpit systems. Characterized by maximum thrust climbs in the low altitude terminal environment until wind shear conditions are no longer detected.
Wind shear escape
True or False
If an aircraft is performing a wind shear escape you can issue control instructions that are contrary to pilot actions.
False
When a low level wind shear or microburst is reported by pilots or detected on a wind shear detection system, a statement must be included on the ATIS for at least ________ minutes following the last report or indication of wind shear/microburst.
A. 10
B. 15
C. 20
C
Which of the following is an example of the phraseology used for a wind shear advisory?
A. "RUNWAY ONE SEVEN ARRIVAL MICROBURST ALERT, FOUR ZERO KNOT LOSS, THREE MILE FINAL."
B. "RUNWAY ONE SEVEN ARRIVAL WIND SHEAR ALERT, FOUR ZERO KNOT LOSS, THREE MILE FINAL."
C. "RUNWAY ONE SEVEN ARRIVAL ALERT, FOUR ZERO KNOT LOSS, THREE MILE FINAL."
B
If requested by the pilot or deemed appropriate by the controller, issue the displayed wind information ________.
A. oriented to the threshold or departure end of the runway
B. displayed as Airport Wind
C. with the greatest gust factor
A
Local Control is the ___ profile position to the flying public.
Highest
The safety and efficiency of day-to-day operations depends directly on the ___ skill level.
Local controller's
The Local Control position is in direct communication with the aircraft and ensures separation of aircraft ________.
A. in the designated airspace
B. on the taxiways
C. above FL180
A
Flight path parallel to the landing runway in the direction of landing
Upwind leg
Who issues the appropriate departure control frequency and beacon code?
Clearance Delivery
After takeoff Instruct civil aircraft, military transport, and cargo types to contact departure control about ___ mile beyond the runway end
1/2
Provided that further communication with the controller is not required, when is a departing IFR civil aircraft instructed to contact departure control?
When the aircraft is about 1/2 mile beyond the runway end
___ is an instrumentally derived value, based on standard calibrations, that represents the horizontal distance a pilot will see down the runway from the approach end.
Runway Visual Range (RVR)
Issue touchdown RVR when
Prevailing visibility is 1 mile or less
RVR indicates a reportable value of 6000 feet or less
Issue both midpoint and rollout RVR when
Value of either is less than 2000 feet
Value of touchdown RVR is greater than the midpoint or rollout
When the RVR indicates a reportable value of 6,000 feet or less, issue the current ________ RVR for the runway in use to departing aircraft.
A. rollout
B. midpoint
C. touchdown
C
Transfer responsibility in an emergency only when you feel ___ of the emergency will result.
Better handling
The Local Control position is in direct communication with the aircraft and ensures separation of aircraft ________.
A. in the designated airspace
B. on the taxiways
C. above FL180
A
Local Control issues appropriate control instructions and/or restrictions, including speed control, ________, and visual separation.
A. altitude changes above FL180
B. vectoring techniques
C. en route changes requested by the pilot
B
Local Control observes present traffic and considers ________ to predict if an overload may occur.
A. traffic delays
B. forecasted traffic
C. equipment capability
B
Local Control sets radar displays to the ________ area of jurisdiction.
A. appropriate
B. adjacent controller's
C. flight service station's
A
Base your decision about the type of assistance needed to handle an emergency intelligently on information and requests received from the _________.
A. pilot
B. aircraft owner
C. airport authority
A
When should you transfer responsibility for an aircraft in distress?
A. If the aircraft will enter another facility's airspace
B. When frequencies become available
C. Only when you feel better handling will result
C
What action is necessary when an emergency occurs on the airport proper?
Control traffic to avoid the area where the emergency is
Local Control must verbally coordinate with departure control for ________.
A. Special VFR (SVFR) and VFR-on-top (OTP) operations
B. military and foreign registry departures
C. VFR departures
A
Local Control must use ________ to maintain the arrival/departure sequence.
A. a CTRD
B. pad management procedures and/or strips
C. their memory
B
True or False
Local Control may initiate the closing of the coordination loop
True
Even if Local Control initiates the coordination, Ground Control must still ___ Runway crossing
Confirm
Phraseology for when a pilot does not state the appropriate ATIS code on initial contact
"Verify you have information Charlie"
Specific traffic pattern entry information may be omitted if the aircraft is to circle the airport to the ________.
A. north
B. right
C. left
C
Issuing specific traffic pattern entry information is mandated at the FAA Academy
Controllers may authorize simultaneous opposite direction operations on parallel runways only when ________.
A. pilots are in direct communication with each other
B. operations are conducted in VFR conditions
C. neither aircraft is a CAT III aircraft
B
___ feet for a Cat 1 aircraft landing behind a Cat 1 or 2
3000
U-Cargo indicates ___ feet from beginning of 28R
3000
VOR indicates ___ feet from beginning of 28R
4500
Radar indicates ___ feet from beginning of 28R
6000
___ feet for a Cat 2 aircraft landing behind a Cat 1 or 2
4500
No landing distance minimum established when either aircraft is ___; the first aircraft must be ___ of the runway
Cat 3
Clear
When the succeeding aircraft is a ___, visual separation may be applied in lieu of using distance minima
Helicopter
Cat 3 aircraft must be ___ feet and ___
6000
Airborne
Between sunrise and sunset, the minimum distance required from the landing runway threshold when a Category I aircraft is landing behind a Category I aircraft is ________ feet.
A. 6,000
B. 4,500
C. 3,000
C
Between sunrise and sunset, the minimum distance required when a Category I aircraft is landing behind a Category II aircraft is ________ feet.
A. 3,000
B. 4,500
C. 6,000
A
Between sunset and sunrise, what is the minimum distance required from the landing runway threshold when a Category II aircraft is landing behind a landing Category I aircraft?
A. 4,500 feet
B. 3,000 feet
C. Clear of the runway
C
Same Runway Separation
C172 landing behind a PC12
3000 feet
Same Runway Separation
P28A landing behind a C421
3000 feet
Same Runway Separation
C421 landing behind a SR22
4500 feet
Same Runway Separation
BE36 landing behind a C208
3000 feet
Same Runway Separation
PA46 landing behind a C310
3000 feet
Same Runway Separation
C550 landing behind a PAY3
Clear of runway
Same Runway Separation
M20P landing behind a BE40
Clear of runway
Same Runway Separation
B06 landing behind a PA31
3000 feet or visual
Same Runway Separation
PA34 landing behind a AC68
4500 feet
If the landing runway is changed, controllers must preface the landing clearance with "___" followed by the runway number
Change to runway
Consider an aircraft cleared for touch-and-go as an arriving aircraft until it ________. A. crosses the landing threshold
B. touches down
C. turns final
B
Preventive airport traffic control service is provided only to aircraft operating in accordance with a(n) ________.
A. ATC advisory
B. ATC instruction
C. Letter of Agreement
D. Letter of Understanding
C
Which of the following is correct phraseology for LC to authorize GC to cross an active runway?
A. "CROSS."
B. "CROSS APPROVED."
C. "CROSS THE RUNWAY AT ECHO."
D. "CROSS RUNWAY TWO EIGHT RIGHT AT ECHO."
D
With whom must the local controller coordinate before using a runway NOT previously designated as the active runway?
A. Cab Coordinator
B. Departure Control
C. Ground Control
D. Team Supervisor
C
Local Control must ensure that the runway is free of all known vehicles, equipment, and personnel before a ________.
A. departing aircraft is cleared for takeoff
B. departing aircraft starts takeoff roll
C. landing aircraft is cleared to land
D. landing aircraft reports the outer marker
B
Do not request a departing military turboprop/turbojet aircraft (except transport and cargo types) to make radio or radar beacon changes before the aircraft reaches ________ feet above the surface.
A. 1,000
B. 1,500
C. 2,000
D. 2,500
D
Position determination of an aircraft on the airport may be determined visually by the controller, by pilots, or through the use of ________.
A. ASR
B. ASDE
C. ARTS
D. DBRITE
B
Do not authorize an aircraft to line up and wait at an intersection ________.
A. unless covered by a Letter of Agreement
B. between sunrise and sunset
C. between sunset and sunrise
D. when the weather is below VFR minimums
C
Approve a pilot's request to cross Class C or D surface areas at a speed that does not exceed ________ knots, unless a higher minimum speed is required.
A. 200
B. 225
C. 250
D. 275
C
Local controllers must visually scan runways ________.
A. to the maximum extent possible
B. as circumstances warrant
C. when the weather is below VFR minimums
D. as workload permits
A
When radio communications cannot be employed, an aircraft in takeoff position on the runway receiving a flashing red light signal should ________.
A. take off immediately
B. stop immediately
C. taxi clear of the runway
D. continue holding
C
Issue the appropriate departure control frequency and beacon code before ________.
A. takeoff
B. taxi
C. frequency change
D. issuing a clearance
A