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Multiple runway operation parallel runways air carrier Y approach to wrong runway had near midair collision with air carrier X. Evasive action taken.
| Attributes | |
| ACN | 250858 |
| Time | |
| Date | 199309 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : lax |
| State Reference | CA |
| Altitude | msl bound lower : 300 msl bound upper : 500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : lax |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | descent : approach landing : go around |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | descent : approach landing : go around |
| Flight Plan | IFR |
| 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 : 14500 |
| ASRS Report | 250858 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 14500 |
| ASRS Report | 250596 |
| Events | |
| Anomaly | conflict : nmac non adherence : clearance non adherence : required legal separation other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action other |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | vertical : 100 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X at 300-500 ft on final, cleared to land on lax runway 24R following an light transport. Suddenly air carrier Y flew over the top of us within 50-100 ft away. We took evasive action and then did a go around. Tower issued a go around to air carrier Y. We then were vectored for another approach and landing, this time on lax runway 24L. After a normal landing we then talked to the tower chief who told us we were in the right place. Lax has a lot of runways: 24R, 24L, 25R, 25L, etc, with the continual problem of possible confusion. I suggest at lax that the tower and the aircraft cleared to land both give an extra affirmation of clearance. The tower chief at lax told us that we had been cleared for runway 24R.
Original NASA ASRS Text
Title: MULTIPLE RWY OP PARALLEL RWYS ACR Y APCH TO WRONG RWY HAD NMAC WITH ACR X. EVASIVE ACTION TAKEN.
Narrative: ACR X AT 300-500 FT ON FINAL, CLRED TO LAND ON LAX RWY 24R FOLLOWING AN LTT. SUDDENLY ACR Y FLEW OVER THE TOP OF US WITHIN 50-100 FT AWAY. WE TOOK EVASIVE ACTION AND THEN DID A GAR. TWR ISSUED A GAR TO ACR Y. WE THEN WERE VECTORED FOR ANOTHER APCH AND LNDG, THIS TIME ON LAX RWY 24L. AFTER A NORMAL LNDG WE THEN TALKED TO THE TWR CHIEF WHO TOLD US WE WERE IN THE RIGHT PLACE. LAX HAS A LOT OF RWYS: 24R, 24L, 25R, 25L, ETC, WITH THE CONTINUAL PROB OF POSSIBLE CONFUSION. I SUGGEST AT LAX THAT THE TWR AND THE ACFT CLRED TO LAND BOTH GIVE AN EXTRA AFFIRMATION OF CLRNC. THE TWR CHIEF AT LAX TOLD US THAT WE HAD BEEN CLRED FOR RWY 24R.
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.