 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
ARTCC radar controller inadvertently cleared a B737 to climb to FL230 instead of FL190 as he intended, resulting in loss of separation with an SF34 level at FL200.
| Attributes | |
| ACN | 387357 |
| Time | |
| Date | 199712 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : cip |
| State Reference | PA |
| Altitude | msl bound lower : 20000 msl bound upper : 20000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | SF 340A |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 11 |
| ASRS Report | 387357 |
| 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 | atc equipment other atc equipment : unspecified other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Miss Distance | horizontal : 21000 vertical : 500 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Controller gave B737 FL230 but thought a few mins later that he gave FL190. B737 went to FL230 causing a loss of separation with aircraft at FL200.
Original NASA ASRS Text
Title: ARTCC RADAR CTLR INADVERTENTLY CLRED A B737 TO CLB TO FL230 INSTEAD OF FL190 AS HE INTENDED, RESULTING IN LOSS OF SEPARATION WITH AN SF34 LEVEL AT FL200.
Narrative: CTLR GAVE B737 FL230 BUT THOUGHT A FEW MINS LATER THAT HE GAVE FL190. B737 WENT TO FL230 CAUSING A LOSS OF SEPARATION WITH ACFT AT FL200.
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.