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Flight crew of a B777 descended in response to a TCASII RA which provided separation from a cessna 210 climbing through their assigned altitude.
| Attributes | |
| ACN | 339964 |
| Time | |
| Date | 199606 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : sax |
| State Reference | NJ |
| Altitude | msl bound lower : 5000 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other cruise other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Retractable Gear |
| Flight Phase | climbout : intermediate altitude |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : cfi pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 200 flight time total : 18000 flight time type : 500 |
| ASRS Report | 339964 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : nmac non adherence : far non adherence : required legal separation other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 300 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were at cruise altitude of 6000 ft on radar vectors, a cessna 210 climbed from 5500 ft through our IFR altitude of 6000 ft. We received a TCASII RA warning and evasive action was taken with immediate descent. ATC reacted by clearing us to 5000 ft. TCASII prevented a serous problem.
Original NASA ASRS Text
Title: FLC OF A B777 DSNDED IN RESPONSE TO A TCASII RA WHICH PROVIDED SEPARATION FROM A CESSNA 210 CLBING THROUGH THEIR ASSIGNED ALT.
Narrative: WE WERE AT CRUISE ALT OF 6000 FT ON RADAR VECTORS, A CESSNA 210 CLBED FROM 5500 FT THROUGH OUR IFR ALT OF 6000 FT. WE RECEIVED A TCASII RA WARNING AND EVASIVE ACTION WAS TAKEN WITH IMMEDIATE DSCNT. ATC REACTED BY CLRING US TO 5000 FT. TCASII PREVENTED A SEROUS PROB.
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.