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Near midair collision between 2 small aircraft's during a traffic pattern procedure that seemed to not include the tower at owd.
| Attributes | |
| ACN | 633623 |
| Time | |
| Date | 200410 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : owd.airport |
| State Reference | MA |
| Altitude | msl single value : 1300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : owd.tower |
| Operator | general aviation : personal |
| Make Model Name | Cessna Aircraft Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | VFR |
| Aircraft 2 | |
| Controlling Facilities | tower : owd.tower |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 55 flight time total : 1200 flight time type : 700 |
| ASRS Report | 633625 |
| Person 2 | |
| Function | flight crew : single pilot |
| Events | |
| Anomaly | conflict : nmac non adherence : far non adherence : required legal separation other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took precautionary avoidance action |
| Consequence | other |
| Miss Distance | horizontal : 0 vertical : 300 |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance Airspace Structure |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Cleared for takeoff runway 35L. Turn requested, but I don't think I ever heard that 'left turn approval.' I knew of someone coming in from northwest. I turned to bearing of 320 degrees after noise abatement. I saw other low wing airplane at about 1500 ft. I stopped my climb out at 1200 ft and passed underneath other plane. No warning from tower. Other pilot seemed quite upset. Stated to tower 'are you talking with that cessna who just passed underneath me.' I usually ask a second time as I'm starting takeoff roll, 'ok for left turn,' but did not do so this time. I think tower missed potential conflict, although I had other plane in view and avoided conflict.
Original NASA ASRS Text
Title: NMAC BTWN 2 SMA'S DURING A TFC PATTERN PROC THAT SEEMED TO NOT INCLUDE THE TWR AT OWD.
Narrative: CLRED FOR TKOF RWY 35L. TURN REQUESTED, BUT I DON'T THINK I EVER HEARD THAT 'L TURN APPROVAL.' I KNEW OF SOMEONE COMING IN FROM NW. I TURNED TO BEARING OF 320 DEGS AFTER NOISE ABATEMENT. I SAW OTHER LOW WING AIRPLANE AT ABOUT 1500 FT. I STOPPED MY CLBOUT AT 1200 FT AND PASSED UNDERNEATH OTHER PLANE. NO WARNING FROM TWR. OTHER PLT SEEMED QUITE UPSET. STATED TO TWR 'ARE YOU TALKING WITH THAT CESSNA WHO JUST PASSED UNDERNEATH ME.' I USUALLY ASK A SECOND TIME AS I'M STARTING TKOF ROLL, 'OK FOR L TURN,' BUT DID NOT DO SO THIS TIME. I THINK TWR MISSED POTENTIAL CONFLICT, ALTHOUGH I HAD OTHER PLANE IN VIEW AND AVOIDED CONFLICT.
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.