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Reported less than standard separation when 2 aircraft are at the same altitude at opposite ends of the same holding pattern. Unknown if ATC or flight crew at fault.
| Attributes | |
| ACN | 364237 |
| Time | |
| Date | 199703 |
| Day | Mon |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | atc facility : bnn airport : lhr |
| State Reference | FO |
| Altitude | msl bound lower : 8000 msl bound upper : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tracon : lhr |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | other : unknown |
| Flight Phase | other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time total : 18000 |
| ASRS Report | 364237 |
| Person 2 | |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : private pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
Lon ATC advise they will be investigating what they term as a minor incident -- a loss of separation due 2 aircraft at same level in bovington hold (aircraft were at opposite ends of the holding pattern). Crew not thought to be at fault.
Original NASA ASRS Text
Title: RPTED LTSS WHEN 2 ACFT ARE AT THE SAME ALT AT OPPOSITE ENDS OF THE SAME HOLDING PATTERN. UNKNOWN IF ATC OR FLC AT FAULT.
Narrative: LON ATC ADVISE THEY WILL BE INVESTIGATING WHAT THEY TERM AS A MINOR INCIDENT -- A LOSS OF SEPARATION DUE 2 ACFT AT SAME LEVEL IN BOVINGTON HOLD (ACFT WERE AT OPPOSITE ENDS OF THE HOLDING PATTERN). CREW NOT THOUGHT TO BE AT FAULT.
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.