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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Near midair collision between a B737 descending to final and a single engine cessna banking and climbing away in an evasive action maneuver.
| Attributes | |
| ACN | 363505 |
| Time | |
| Date | 199703 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ont |
| State Reference | CA |
| Altitude | msl bound lower : 7000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : ont |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Route In Use | enroute other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Cessna Single Piston Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other cruise other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 10000 |
| ASRS Report | 363505 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : nmac non adherence : far other anomaly other other spatial deviation |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 150 vertical : 0 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Descending through 7000 ft MSL, 230 KTS, 1800 FPM, first officer called traffic, 3 O'clock position, near. I saw cessna single engine 150-200 ft level off right wingtip pulling up. Very near, no time for us to evade. No TCASII indication. Called socal approach and asked did they see and they said they now had painted (no transponder) target at our 6 O'clock position, 2 SM. They did not see before.
Original NASA ASRS Text
Title: NMAC BTWN A B737 DSNDING TO FINAL AND A SINGLE ENG CESSNA BANKING AND CLBING AWAY IN AN EVASIVE ACTION MANEUVER.
Narrative: DSNDING THROUGH 7000 FT MSL, 230 KTS, 1800 FPM, FO CALLED TFC, 3 O'CLOCK POS, NEAR. I SAW CESSNA SINGLE ENG 150-200 FT LEVEL OFF R WINGTIP PULLING UP. VERY NEAR, NO TIME FOR US TO EVADE. NO TCASII INDICATION. CALLED SOCAL APCH AND ASKED DID THEY SEE AND THEY SAID THEY NOW HAD PAINTED (NO XPONDER) TARGET AT OUR 6 O'CLOCK POS, 2 SM. THEY DID NOT SEE BEFORE.
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.