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Large transport departing terminal airport has near midair collision with uncontrolled unreported small aircraft. Flight crew performs avoidance maneuver. Large transport above and outside arsa in VMC conditions. No injuries or damage. Miss reported as 75 feet.
| Attributes | |
| ACN | 108081 |
| Time | |
| Date | 198904 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : pbi |
| State Reference | FL |
| Altitude | msl bound lower : 7300 msl bound upper : 7400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : pbi tower : stl |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure other enroute : on vectors enroute airway : pbi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Flight Phase | cruise other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 140 flight time total : 9000 flight time type : 2300 |
| ASRS Report | 108081 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : nmac |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 75 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
While climbing through 7300' MSL, departing pbi, the first officer caught sight of a light single engine aircraft approaching from the right at approximately our altitude. He started a hard push over to evade the small aircraft Y. The small aircraft Y did not try to evade. We passed under it at approximately 50' to 100'. This all occurred within approximately 3 second time span. We were on a vector to the northwest and the small aircraft Y was proceeding south. No traffic reported, the small aircraft Y was red and black and looked as if to be a low wing homebuilt. I notified ATC of the incident and advised we would report it to the company. There were no injuries to the passenger or crew. Small aircraft Y was a very bad primary target for radar. These aircraft should be required to have xponders for maximum visibility to radar. I have filed a near miss report with mia center.
Original NASA ASRS Text
Title: LGT DEPARTING TERMINAL ARPT HAS NMAC WITH UNCONTROLLED UNREPORTED SMA. FLT CREW PERFORMS AVOIDANCE MANEUVER. LGT ABOVE AND OUTSIDE ARSA IN VMC CONDITIONS. NO INJURIES OR DAMAGE. MISS REPORTED AS 75 FEET.
Narrative: WHILE CLIMBING THROUGH 7300' MSL, DEPARTING PBI, THE F/O CAUGHT SIGHT OF A LIGHT SINGLE ENGINE ACFT APCHING FROM THE RIGHT AT APPROX OUR ALT. HE STARTED A HARD PUSH OVER TO EVADE THE SMA Y. THE SMA Y DID NOT TRY TO EVADE. WE PASSED UNDER IT AT APPROX 50' TO 100'. THIS ALL OCCURRED WITHIN APPROX 3 SEC TIME SPAN. WE WERE ON A VECTOR TO THE NW AND THE SMA Y WAS PROCEEDING SOUTH. NO TFC REPORTED, THE SMA Y WAS RED AND BLACK AND LOOKED AS IF TO BE A LOW WING HOMEBUILT. I NOTIFIED ATC OF THE INCIDENT AND ADVISED WE WOULD REPORT IT TO THE COMPANY. THERE WERE NO INJURIES TO THE PAX OR CREW. SMA Y WAS A VERY BAD PRIMARY TARGET FOR RADAR. THESE ACFT SHOULD BE REQUIRED TO HAVE XPONDERS FOR MAX VISIBILITY TO RADAR. I HAVE FILED A NEAR MISS REPORT WITH MIA CENTER.
Data retrieved from NASA's ASRS site as of August 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.