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Flight crew of an large transport air carrier aircraft descended from assigned high cruise altitude in response to a TCASII RA.
| Attributes | |
| ACN | 258815 |
| Time | |
| Date | 199312 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : mgm |
| State Reference | AL |
| Altitude | msl bound lower : 26500 msl bound upper : 27000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zme |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : flight engineer pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 140 flight time total : 15000 flight time type : 6000 |
| ASRS Report | 258815 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : instrument pilot : flight engineer pilot : commercial |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 36000 vertical : 1000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Cruising IMC at FL270, received TCASII RA. Descended to FL265 per TCASII, ATC advised. Event passed, advised ATC, returned to FL270.
Original NASA ASRS Text
Title: FLC OF AN LGT ACR ACFT DSNDED FROM ASSIGNED HIGH CRUISE ALT IN RESPONSE TO A TCASII RA.
Narrative: CRUISING IMC AT FL270, RECEIVED TCASII RA. DSNDED TO FL265 PER TCASII, ATC ADVISED. EVENT PASSED, ADVISED ATC, RETURNED TO FL270.
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.