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Non flying first officer of an medium large transport air carrier aircraft grabbed the controls and started a left roll to avoid an small aircraft aircraft on a collision course during a visual approach.
| Attributes | |
| ACN | 248258 |
| Time | |
| Date | 199308 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : pdx |
| State Reference | OR |
| Altitude | msl bound lower : 3900 msl bound upper : 4100 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : pdx |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent : approach descent other |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear |
| Flight Phase | cruise other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 80 flight time total : 7000 flight time type : 1800 |
| ASRS Report | 248258 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 120 flight time total : 4800 flight time type : 500 |
| ASRS Report | 248066 |
| Events | |
| Anomaly | conflict : nmac other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action flight crew : returned to intended course or assigned course |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | vertical : 20 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Operating as a revenue flight (air carrier) from sea to pdx we had a near miss. We had been cleared for the mill visual approach to 28R sidestep 28L. We were to follow an air carrier 2 (medium large transport) at 12 to 1 O'clock. We were at 4000 ft when I saw the medium large transport at 1 O'clock at the same time I saw the orange and white small aircraft single engine land in the clear view window. The captain was flying at the time. When I saw the small aircraft I grabbed the yoke and started to roll left. There was no time to add power and start a climb. I called approach control, told them what happened. They said they had nothing on radar, however, we believe an air carrier Z a couple of mi behind us said they had the traffic on their TCASII.
Original NASA ASRS Text
Title: NON FLYING FO OF AN MLG ACR ACFT GRABBED THE CTLS AND STARTED A L ROLL TO AVOID AN SMA ACFT ON A COLLISION COURSE DURING A VISUAL APCH.
Narrative: OPERATING AS A REVENUE FLT (ACR) FROM SEA TO PDX WE HAD A NEAR MISS. WE HAD BEEN CLRED FOR THE MILL VISUAL APCH TO 28R SIDESTEP 28L. WE WERE TO FOLLOW AN ACR 2 (MLG) AT 12 TO 1 O'CLOCK. WE WERE AT 4000 FT WHEN I SAW THE MLG AT 1 O'CLOCK AT THE SAME TIME I SAW THE ORANGE AND WHITE SMA SINGLE ENG LAND IN THE CLR VIEW WINDOW. THE CAPT WAS FLYING AT THE TIME. WHEN I SAW THE SMA I GRABBED THE YOKE AND STARTED TO ROLL L. THERE WAS NO TIME TO ADD PWR AND START A CLB. I CALLED APCH CTL, TOLD THEM WHAT HAPPENED. THEY SAID THEY HAD NOTHING ON RADAR, HOWEVER, WE BELIEVE AN ACR Z A COUPLE OF MI BEHIND US SAID THEY HAD THE TFC ON THEIR TCASII.
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.