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Air carrier large transport altitude deviation excursion from clearance altitude FL370 in response to TCASII RA.
| Attributes | |
| ACN | 197949 |
| Time | |
| Date | 199112 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : mva |
| State Reference | NV |
| Altitude | msl bound lower : 36300 msl bound upper : 37000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zlc |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Route In Use | enroute airway : zlc |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 165 flight time total : 16853 flight time type : 310 |
| ASRS Report | 197949 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Received an RA on TCASII to 'descend.' descended immediately and advised ZLC (frequency 128.72). They advised us there was no traffic at our altitude. At this time (we had leveled at FL363) the target on our display disappeared and we returned to FL370.
Original NASA ASRS Text
Title: ACR LGT ALTDEV EXCURSION FROM CLRNC ALT FL370 IN RESPONSE TO TCASII RA.
Narrative: RECEIVED AN RA ON TCASII TO 'DSND.' DSNDED IMMEDIATELY AND ADVISED ZLC (FREQ 128.72). THEY ADVISED US THERE WAS NO TFC AT OUR ALT. AT THIS TIME (WE HAD LEVELED AT FL363) THE TARGET ON OUR DISPLAY DISAPPEARED AND WE RETURNED TO FL370.
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.