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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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| Attributes | |
| ACN | 125329 |
| Time | |
| Date | 198910 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : sya |
| State Reference | AK |
| Altitude | msl bound lower : 36000 msl bound upper : 36000 |
| Environment | |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tracon : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 4 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : pacific enroute : other oceanic enroute airway : r580 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 4 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : other oceanic enroute : pacific |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : non radar |
| Qualification | controller : radar |
| Experience | controller non radar : 3 controller radar : 2 |
| ASRS Report | 125329 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance |
| Consequence | Other |
| Miss Distance | horizontal : 99999 vertical : 1000 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Morning traffic rush from tokyo. Air carrier X initially transferred FL360 and air carrier Y at FL340. I issued clearance to air carrier X through hnl commercial radio and marked strips, okkoe climbing to FL350, onade FL350. Shortly thereafter, I received computer message 'no link ack' from hnl indicating that phone verification would be required. Air carrier Y contacted center on 126.2 and reported level at 360 requesting higher. Issued climb to air carrier X to maintain FL380.
Original NASA ASRS Text
Title: ACR CLIMBED TO AN OCCUPIED ALT OVER THE OCEAN.
Narrative: MORNING TFC RUSH FROM TOKYO. ACR X INITIALLY TRANSFERRED FL360 AND ACR Y AT FL340. I ISSUED CLRNC TO ACR X THROUGH HNL COMMERCIAL RADIO AND MARKED STRIPS, OKKOE CLIMBING TO FL350, ONADE FL350. SHORTLY THEREAFTER, I RECEIVED COMPUTER MESSAGE 'NO LINK ACK' FROM HNL INDICATING THAT PHONE VERIFICATION WOULD BE REQUIRED. ACR Y CONTACTED CENTER ON 126.2 AND REPORTED LEVEL AT 360 REQUESTING HIGHER. ISSUED CLIMB TO ACR X TO MAINTAIN FL380.
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.