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Near midair collision on final approach. Conflicting traffic picked wrong aircraft to follow for approach and caused reporter aircraft to evade and go around.
| Attributes | |
| ACN | 330752 |
| Time | |
| Date | 199603 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : sea |
| State Reference | WA |
| Altitude | agl bound lower : 700 agl bound upper : 700 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : sea |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 300 flight time total : 11000 flight time type : 5000 |
| ASRS Report | 330752 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : nmac non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action other |
| Consequence | Other |
| Miss Distance | horizontal : 300 vertical : 400 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
On final at sea a light single was instructed to follow us to runway 34R. He approached on right base and mistook the aircraft ahead of us for his traffic. The first officer was watching him and called for a missed approach just as the TCASII called, 'traffic, traffic.' also at this time the tower instructed the light craft to 'do a right 360 degrees.' we climbed to 2000 ft, the controller had us enter a right downwind and land on runway 34L. Fortunately the first officer and tower were both alert. Also the TCASII is new to us and is very helpful. We were tracking the other aircraft.
Original NASA ASRS Text
Title: NMAC ON FINAL APCH. CONFLICTING TFC PICKED WRONG ACFT TO FOLLOW FOR APCH AND CAUSED RPTR ACFT TO EVADE AND GAR.
Narrative: ON FINAL AT SEA A LIGHT SINGLE WAS INSTRUCTED TO FOLLOW US TO RWY 34R. HE APCHED ON R BASE AND MISTOOK THE ACFT AHEAD OF US FOR HIS TFC. THE FO WAS WATCHING HIM AND CALLED FOR A MISSED APCH JUST AS THE TCASII CALLED, 'TFC, TFC.' ALSO AT THIS TIME THE TWR INSTRUCTED THE LIGHT CRAFT TO 'DO A R 360 DEGS.' WE CLBED TO 2000 FT, THE CTLR HAD US ENTER A R DOWNWIND AND LAND ON RWY 34L. FORTUNATELY THE FO AND TWR WERE BOTH ALERT. ALSO THE TCASII IS NEW TO US AND IS VERY HELPFUL. WE WERE TRACKING THE OTHER ACFT.
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.