曝光台 注意防骗
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expect a large wake; just thought I'd like share this experience. Even though it was
a 737 it was that perpendicular wake that tends to amplify the turbulence greater
than I've ever experienced--even behind heavy aircraft.
Synopsis
An air carrier First Officer reported a strong wake turbulence encounter after flying
through a B737 wake vortex on an ORD arrival perpendicular track.
ACN: 840130 (15 of 50)
Time / Day
Date : 200906
Local Time Of Day : 1201-1800
Place
Locale Reference.Airport : ZZZ.Airport
State Reference : US
Altitude.AGL.Single Value : 0
Environment
Flight Conditions : VMC
Light : Daylight
Aircraft
Reference : X
ATC / Advisory.Tower : ZZZ
Aircraft Operator : Personal
Make Model Name : Skyhawk 172/Cutlass 172
Crew Size.Number Of Crew : 1
Operating Under FAR Part : Part 91
Flight Plan : None
Mission : Training
Flight Phase : Takeoff
Person
Reference : 1
Location Of Person.Aircraft : X
Location In Aircraft : Flight Deck
Reporter Organization : Personal
Function.Flight Crew : Pilot Flying
Qualification.Flight Crew : Commercial
Qualification.Flight Crew : Instrument
Experience.Flight Crew.Total : 2300
Experience.Flight Crew.Last 90 Days : 10
Experience.Flight Crew.Type : 2200
ASRS Report Number.Accession Number : 840130
Events
Anomaly.Ground Excursion : Runway
Anomaly.Inflight Event / Encounter : Wake Vortex Encounter
Anomaly.Inflight Event / Encounter : Loss Of Aircraft Control
Detector.Person : Flight Crew
Were Passengers Involved In Event : N
When Detected : In-flight
Result.General : Maintenance Action
Result.Flight Crew : Regained Aircraft Control
Result.Flight Crew : Returned To Gate
Assessments
Contributing Factors / Situations : Environment - Non Weather Related
Contributing Factors / Situations : Aircraft
Primary Problem : Environment - Non Weather Related
Narrative: 1
While taxiing to Runway 34L, saw a B737 do a touch and go in front of me on
Runway 16R. While holding for takeoff, Tower advised hold for wake turbulence.
After holding for at least 3 minutes, cleared for takeoff nearing the end of my
ground run and starting to rotate, hit by very strong gust of wind from the right.
Despite full right rudder and right aileron -- inputs had no effect and I was blown
off runway into rough grass. I chopped the throttle and rolled out with back
pressure on yoke. There was no injury or visible damage to plane and a thorough
inspection at FBO later found no hidden damage. Prop did not strike ground during
event. Wind at the time varied from 330 to 350 at about 10 KTS. Given the wait for
takeoff clearance and winds, turbulence should have dissipated enough not to
cause a problem. Seems this was just a freak occurrence. Perhaps the B737 touch
and go had an effect or its use of Runway 16 or the immediate addition of power
for takeoff. If faced with a similar situation again, I'll request additional delay
before departure or runway change.
Synopsis
C172 is struck by wake turbulence from a B737 that shot a touch and go the
opposite direct on the runway from which he departed at midfield.
ACN: 840018 (16 of 50)
Time / Day
Date : 200906
Local Time Of Day : 0601-1200
Place
Locale Reference.Airport : LAX.Airport
State Reference : CA
Altitude.MSL.Single Value : 10000
Environment
Flight Conditions : VMC
Light : Daylight
Aircraft
Reference : X
ATC / Advisory.TRACON : SCT
Make Model Name : Cessna Citation Sovereign (C680)
Crew Size.Number Of Crew : 2
Flight Plan : IFR
Flight Phase : Descent
Route In Use : Vectors
Route In Use.SID : SADDE6
Airspace.Class B : LAX
Person
Reference : 1
Location Of Person.Aircraft : X
Location In Aircraft : Flight Deck
Reporter Organization : Fractional
Function.Flight Crew : Pilot Not Flying
Function.Flight Crew : Captain
ASRS Report Number.Accession Number : 840018
Human Factors : Communication Breakdown
Human Factors : Workload
Human Factors : Situational Awareness
Human Factors : Distraction
Communication Breakdown.Party1 : Flight Crew
Communication Breakdown.Party2 : ATC
Events
Anomaly.Inflight Event / Encounter : Wake Vortex Encounter
Anomaly.Inflight Event / Encounter : Loss Of Aircraft Control
Detector.Person : Flight Crew
Were Passengers Involved In Event : N
When Detected : In-flight
Result.Flight Crew : Took Evasive Action
Result.Flight Crew : Regained Aircraft Control
Result.Air Traffic Control : Separated Traffic
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