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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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An air carrier B757 flight crew gets a TCASII 'TA' and see a light twin engined aircraft 500 ft above them. They level off to avoid the traffic.
| Attributes | |
| ACN | 351319 |
| Time | |
| Date | 199610 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : tio airport : sjo |
| State Reference | FO |
| Altitude | msl bound lower : 6000 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : sjo |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure other departure sid : sid |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 351319 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : nmac non adherence : published procedure non adherence : required legal separation non adherence : far |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | vertical : 500 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Climbing out from sjo passing through about 6000 ft got TCASII TA and visual contact with a light twin about 500 ft above us. Leveled off to avoid target. Approach control did not know anything about traffic in the area. Subsequently approach admitted to knowing about the traffic.
Original NASA ASRS Text
Title: AN ACR B757 FLC GETS A TCASII 'TA' AND SEE A LIGHT TWIN ENGINED ACFT 500 FT ABOVE THEM. THEY LEVEL OFF TO AVOID THE TFC.
Narrative: CLBING OUT FROM SJO PASSING THROUGH ABOUT 6000 FT GOT TCASII TA AND VISUAL CONTACT WITH A LIGHT TWIN ABOUT 500 FT ABOVE US. LEVELED OFF TO AVOID TARGET. APCH CTL DID NOT KNOW ANYTHING ABOUT TFC IN THE AREA. SUBSEQUENTLY APCH ADMITTED TO KNOWING ABOUT THE TFC.
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.