 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Air carrier X climb through occupied altitude had less than standard separation from air carrier Y. System error.
| Attributes | |
| ACN | 191766 |
| Time | |
| Date | 199110 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : sby |
| State Reference | MD |
| Altitude | msl bound lower : 31000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc |
| Operator | common carrier : air carrier |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 2 |
| ASRS Report | 191766 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 15000 vertical : 1300 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Air carrier X reported moderate turbulence at FL290, requested FL330. Climb to FL330. Air carrier Y sbound at 310. I told air carrier X to expedite climb (aircraft are 45 mi apart). Conflict alert never went off. Numerous other aircraft requested vectors for climb and descent.
Original NASA ASRS Text
Title: ACR X CLB THROUGH OCCUPIED ALT HAD LTSS FROM ACR Y. SYS ERROR.
Narrative: ACR X RPTED MODERATE TURB AT FL290, REQUESTED FL330. CLB TO FL330. ACR Y SBOUND AT 310. I TOLD ACR X TO EXPEDITE CLB (ACFT ARE 45 MI APART). CONFLICT ALERT NEVER WENT OFF. NUMEROUS OTHER ACFT REQUESTED VECTORS FOR CLB AND DSCNT.
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.