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BE10 pilot experienced conflict with B777 climbing through his or her altitude during visual separation procedures.
| Attributes | |
| ACN | 629038 |
| Time | |
| Date | 200408 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : zid.artcc |
| State Reference | IN |
| Altitude | msl bound lower : 16000 msl bound upper : 17000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | general aviation : personal |
| Make Model Name | King Air 100 A/B |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 50 flight time total : 6893 flight time type : 4300 |
| ASRS Report | 629038 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne critical |
| Independent Detector | aircraft equipment : tcas other flight crewa |
| Resolutory Action | controller : issued advisory flight crew : took evasive action |
| Miss Distance | horizontal : 0 vertical : 500 |
| Supplementary | |
| Problem Areas | Aircraft ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
I was in cruise at 17000 ft. Controller advised traffic at 12 mi, 2 O'clock position. I reported 'traffic in sight.' the crew of B777 reported me and controller approved climb through my altitude with B777 crew to maintain visual separation. I became concerned with closure and altitude. The crew of B777 reported a conflict resolution and discontinued climb. I was preparing to turn right to avoid the B777! I do not recall the controller advising of B777 being 'heavy' or 'caution wake turbulence.' I am aware of both characteristics of the B777. 'See and avoid' and collision avoidance system probably prevented a midair collision!
Original NASA ASRS Text
Title: BE10 PLT EXPERIENCED CONFLICT WITH B777 CLBING THROUGH HIS OR HER ALT DURING VISUAL SEPARATION PROCS.
Narrative: I WAS IN CRUISE AT 17000 FT. CTLR ADVISED TFC AT 12 MI, 2 O'CLOCK POS. I RPTED 'TFC IN SIGHT.' THE CREW OF B777 RPTED ME AND CTLR APPROVED CLB THROUGH MY ALT WITH B777 CREW TO MAINTAIN VISUAL SEPARATION. I BECAME CONCERNED WITH CLOSURE AND ALT. THE CREW OF B777 RPTED A CONFLICT RESOLUTION AND DISCONTINUED CLB. I WAS PREPARING TO TURN R TO AVOID THE B777! I DO NOT RECALL THE CTLR ADVISING OF B777 BEING 'HVY' OR 'CAUTION WAKE TURB.' I AM AWARE OF BOTH CHARACTERISTICS OF THE B777. 'SEE AND AVOID' AND COLLISION AVOIDANCE SYS PROBABLY PREVENTED A MIDAIR COLLISION!
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.