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B733 encounters wake turbulence 3 times on departure from phx while following another B733 along the same route of flight.
| Attributes | |
| ACN | 510186 |
| Time | |
| Date | 200105 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : phx.airport |
| State Reference | AZ |
| Altitude | agl bound lower : 150 agl bound upper : 1500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : phx.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : takeoff climbout : initial |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : phx.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 175 flight time total : 15000 flight time type : 850 |
| ASRS Report | 510186 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | conflict : airborne less severe inflight encounter : wake turbulence other anomaly |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : regained aircraft control flight crew : exited adverse environment |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Airport Airspace Structure ATC Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Situations | |
| ATC Facility | procedure or policy : phx.tower |
Narrative:
Flight X was cleared for takeoff, to keep company aircraft Y in sight. At 150 ft AGL aircraft rolled 25 degrees left then 10 degrees right due to wake turbulence from preceding departure. This event repeated itself 2 more times during our initial climb. This type of event seems to be occurring more often due to congestion at the airports and minimum separation of aircraft.
Original NASA ASRS Text
Title: B733 ENCOUNTERS WAKE TURB 3 TIMES ON DEP FROM PHX WHILE FOLLOWING ANOTHER B733 ALONG THE SAME RTE OF FLT.
Narrative: FLT X WAS CLRED FOR TKOF, TO KEEP COMPANY ACFT Y IN SIGHT. AT 150 FT AGL ACFT ROLLED 25 DEGS L THEN 10 DEGS R DUE TO WAKE TURB FROM PRECEDING DEP. THIS EVENT REPEATED ITSELF 2 MORE TIMES DURING OUR INITIAL CLB. THIS TYPE OF EVENT SEEMS TO BE OCCURRING MORE OFTEN DUE TO CONGESTION AT THE ARPTS AND MINIMUM SEPARATION OF ACFT.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.