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Helicopter flight crew misidentifies cessna they are to follow at mmu; resulting in conflict and go around by the cessna pilot.
| Attributes | |
| ACN | 773997 |
| Time | |
| Date | 200802 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : mmu.airport |
| State Reference | NJ |
| Altitude | agl single value : 100 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : mmu.tower |
| Operator | general aviation : corporate |
| Make Model Name | Helicopter |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | None |
| Aircraft 2 | |
| Controlling Facilities | tower : mmu.tower |
| Operator | general aviation : personal |
| Make Model Name | Cessna Aircraft Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach landing : go around |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 20 flight time total : 4000 flight time type : 3000 |
| ASRS Report | 773997 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 40 flight time total : 7400 flight time type : 2000 |
| ASRS Report | 773998 |
| Events | |
| Anomaly | conflict : airborne critical non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : executed go around none taken : detected after the fact |
| Miss Distance | horizontal : 200 vertical : 200 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Ambiguous |
Narrative:
Morristown tower called cessna traffic on final. We spotted the traffic and stated we would pass behind the traffic. We misidented the traffic. There were 2 cessnas on final; we saw the first and not the second; the tower was referring to the second cessna. We pass over the numbers of runway 5 en route to a taxiway landing. The second cessna that the tower was actually referring to; did a go around. We did not see the second cessna until after he passed over us during the go around. We do not know how close the 2 aircraft actually got to each other.
Original NASA ASRS Text
Title: HELICOPTER FLT CREW MISIDENTIFIES CESSNA THEY ARE TO FOLLOW AT MMU; RESULTING IN CONFLICT AND GAR BY THE CESSNA PILOT.
Narrative: MORRISTOWN TWR CALLED CESSNA TFC ON FINAL. WE SPOTTED THE TFC AND STATED WE WOULD PASS BEHIND THE TFC. WE MISIDENTED THE TFC. THERE WERE 2 CESSNAS ON FINAL; WE SAW THE FIRST AND NOT THE SECOND; THE TWR WAS REFERRING TO THE SECOND CESSNA. WE PASS OVER THE NUMBERS OF RWY 5 ENRTE TO A TXWY LNDG. THE SECOND CESSNA THAT THE TWR WAS ACTUALLY REFERRING TO; DID A GAR. WE DID NOT SEE THE SECOND CESSNA UNTIL AFTER HE PASSED OVER US DURING THE GAR. WE DO NOT KNOW HOW CLOSE THE 2 ACFT ACTUALLY GOT TO EACH OTHER.
Data retrieved from NASA's ASRS site as of May 2009 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.