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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Air carrier was cleared into the holding pattern at the same altitude assigned to another air carrier.
| Attributes | |
| ACN | 113646 |
| Time | |
| Date | 198906 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : hya |
| State Reference | MA |
| Altitude | msl bound lower : 31000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw tower : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport |
| Flight Phase | descent other other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | cruise other other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| ASRS Report | 113646 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : published procedure |
| Independent Detector | atc equipment other atc equipment : unspecified other controllera |
| Resolutory Action | controller : issued new clearance none taken : insufficient time |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 21000 vertical : 700 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
2 air carriers were in the holding pattern. They were observed merging at same altitude. Clrncs were issued to ensure separation, but I only had 3.5 mi and 700'.
Original NASA ASRS Text
Title: ACR WAS CLEARED INTO THE HOLDING PATTERN AT THE SAME ALT ASSIGNED TO ANOTHER ACR.
Narrative: 2 AIR CARRIERS WERE IN THE HOLDING PATTERN. THEY WERE OBSERVED MERGING AT SAME ALT. CLRNCS WERE ISSUED TO ENSURE SEPARATION, BUT I ONLY HAD 3.5 MI AND 700'.
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.