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Widebody transport experienced near midair collision with 20 or so small balloons tied together with a small box-like object handing below.
| Attributes | |
| ACN | 128129 |
| Time | |
| Date | 198911 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : acy |
| State Reference | NJ |
| Altitude | msl bound lower : 27500 msl bound upper : 27500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 8000 flight time type : 900 |
| ASRS Report | 128129 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | conflict : nmac inflight encounter other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 75 vertical : 50 |
Narrative:
Object was approximately 20 balloons tied together with a box-shaped object suspended below. Object was initially sighted at approximately 5 NM. Evasive action was taken by first officer at approximately 1.5 NM. Evasive action was a 35-40 degree bank and slight pull-up. Object was reported to ZDC.
Original NASA ASRS Text
Title: WDB EXPERIENCED NMAC WITH 20 OR SO SMALL BALLOONS TIED TOGETHER WITH A SMALL BOX-LIKE OBJECT HANDING BELOW.
Narrative: OBJECT WAS APPROX 20 BALLOONS TIED TOGETHER WITH A BOX-SHAPED OBJECT SUSPENDED BELOW. OBJECT WAS INITIALLY SIGHTED AT APPROX 5 NM. EVASIVE ACTION WAS TAKEN BY F/O AT APPROX 1.5 NM. EVASIVE ACTION WAS A 35-40 DEG BANK AND SLIGHT PULL-UP. OBJECT WAS RPTED TO ZDC.
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.