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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Air carrier X had been issued climb to FL230 but then acknowledged to maintain 14000 ft because of air carrier Y at 15000 ft.
| Attributes | |
| ACN | 459115 |
| Time | |
| Date | 200001 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| State Reference | MI |
| Altitude | msl single value : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob.artcc tower : cvg.tower |
| Operator | common carrier : air carrier |
| Make Model Name | DC-8 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zob.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Beech 1900 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 30 |
| ASRS Report | 459115 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : overshoot conflict : airborne less severe non adherence : published procedure |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Miss Distance | horizontal : 18000 vertical : 800 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Air carrier X issued FL230. Air carrier X read it back. He was stopped at 14000 ft because of traffic at 15000 ft. Readback was partially blocked.
Original NASA ASRS Text
Title: ACR X HAD BEEN ISSUED CLB TO FL230 BUT THEN ACKNOWLEDGED TO MAINTAIN 14000 FT BECAUSE OF ACR Y AT 15000 FT.
Narrative: ACR X ISSUED FL230. ACR X READ IT BACK. HE WAS STOPPED AT 14000 FT BECAUSE OF TFC AT 15000 FT. READBACK WAS PARTIALLY BLOCKED.
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.