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Flight crew of an MD80 descended in response to a TCASII RA from a cessna coming in the opposite direction and passing over the top of them in class C airspace over the final approach course.
| Attributes | |
| ACN | 490444 |
| Time | |
| Date | 200010 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sjc.airport |
| State Reference | CA |
| Altitude | msl single value : 5000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : o90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer only : 297 |
| Flight Phase | ground other : sjc |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Cessna Single Piston Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | climbout : vacating altitude |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 490444 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Events | |
| Anomaly | airspace violation : entry conflict : nmac non adherence : far other anomaly other |
| Independent Detector | atc equipment other atc equipment : radar aircraft equipment : tcas other flight crewa other flight crewb |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 0 vertical : 400 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
On descent for approach to runway 30L at sjc. Established on the localizer inbound, cleared to cross 17 DME at/above 5000 ft, then cleared visual to runway 30L at sjc. Received TCASII RA through approximately 5600 ft initiated the commanded descent, then visually spotted cessna 172/182 type aircraft 1 O'clock position 1/2 mi or less. Cessna was our altitude and then above us as we continued the RA advised descent. Cessna passed 300-400 ft above our aircraft. Notified approach control of traffic and they responded that they had an intermittent return on an aircraft in that area. The approach and landing continued without further event.
Original NASA ASRS Text
Title: FLC OF AN MD80 DSNDED IN RESPONSE TO A TCASII RA FROM A CESSNA COMING IN THE OPPOSITE DIRECTION AND PASSING OVER THE TOP OF THEM IN CLASS C AIRSPACE OVER THE FINAL APCH COURSE.
Narrative: ON DSCNT FOR APCH TO RWY 30L AT SJC. ESTABLISHED ON THE LOC INBOUND, CLRED TO CROSS 17 DME AT/ABOVE 5000 FT, THEN CLRED VISUAL TO RWY 30L AT SJC. RECEIVED TCASII RA THROUGH APPROX 5600 FT INITIATED THE COMMANDED DSCNT, THEN VISUALLY SPOTTED CESSNA 172/182 TYPE ACFT 1 O'CLOCK POS 1/2 MI OR LESS. CESSNA WAS OUR ALT AND THEN ABOVE US AS WE CONTINUED THE RA ADVISED DSCNT. CESSNA PASSED 300-400 FT ABOVE OUR ACFT. NOTIFIED APCH CTL OF TFC AND THEY RESPONDED THAT THEY HAD AN INTERMITTENT RETURN ON AN ACFT IN THAT AREA. THE APCH AND LNDG CONTINUED WITHOUT FURTHER EVENT.
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.