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Near midair collision in the traffic pattern between a C172 on entry and closed pattern piper traffic on downwind at mmu, nj.
| Attributes | |
| ACN | 557683 |
| Time | |
| Date | 200208 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : mmu.airport |
| State Reference | NJ |
| Altitude | msl single value : 1200 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : mmu.tower |
| Operator | general aviation : personal |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Route In Use | approach : traffic pattern |
| Flight Plan | None |
| Aircraft 2 | |
| Controlling Facilities | tower : mmu.tower |
| Operator | general aviation : personal |
| Make Model Name | Piper Aircraft Corp Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Route In Use | approach : traffic pattern |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : student |
| Experience | flight time last 90 days : 36 flight time total : 140 flight time type : 140 |
| ASRS Report | 557683 |
| Person 2 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Events | |
| Anomaly | non adherence : clearance non adherence : far other anomaly other other spatial deviation |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : took evasive action |
| Miss Distance | horizontal : 100 vertical : 0 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While approaching to enter the pattern at midfield I was asked by ATC if I saw the other aircraft in the pattern. I responded 'no.' I was instructed by ATC to do a right 360 degrees for spacing. I mistakenly started a left turn. Just as I started the turn I spotted the other aircraft. Immediately turned to the right. The other aircraft also performed evasive maneuvers. A contributing factor to the nearness of the miss was ATC initially trying to contact me by an incorrect tail number. This decreased the time and space and margin of error for evading the other aircraft in the pattern.
Original NASA ASRS Text
Title: NMAC IN THE TFC PATTERN BTWN A C172 ON ENTRY AND CLOSED PATTERN PIPER TFC ON DOWNWIND AT MMU, NJ.
Narrative: WHILE APCHING TO ENTER THE PATTERN AT MIDFIELD I WAS ASKED BY ATC IF I SAW THE OTHER ACFT IN THE PATTERN. I RESPONDED 'NO.' I WAS INSTRUCTED BY ATC TO DO A R 360 DEGS FOR SPACING. I MISTAKENLY STARTED A L TURN. JUST AS I STARTED THE TURN I SPOTTED THE OTHER ACFT. IMMEDIATELY TURNED TO THE R. THE OTHER ACFT ALSO PERFORMED EVASIVE MANEUVERS. A CONTRIBUTING FACTOR TO THE NEARNESS OF THE MISS WAS ATC INITIALLY TRYING TO CONTACT ME BY AN INCORRECT TAIL NUMBER. THIS DECREASED THE TIME AND SPACE AND MARGIN OF ERROR FOR EVADING THE OTHER ACFT IN THE PATTERN.
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.