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Air carrier X TCASII RA (non adherence to ATC clearance unauthorized climb from assigned altitude) with air carrier Y. Evasive action taken. Pilot deviation.
| Attributes | |
| ACN | 238258 |
| Time | |
| Date | 199304 |
| Day | Thu |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | atc facility : sea |
| State Reference | WA |
| Altitude | msl bound lower : 5000 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tracon : sea |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller radar : 25 |
| ASRS Report | 238258 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 18000 vertical : 1000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X leaving 7000 ft for 6000 ft. Air carrier Y leaving 4500 ft for 5000 ft. Traffic issued to air carrier X when aircraft Y 8-10 mi apart. Air carrier X reached 6000 ft, advised 'I have an RA' and climbed to 6500 ft.
Original NASA ASRS Text
Title: ACR X TCASII RA (NON ADHERENCE TO ATC CLRNC UNAUTH CLB FROM ASSIGNED ALT) WITH ACR Y. EVASIVE ACTION TAKEN. PLTDEV.
Narrative: ACR X LEAVING 7000 FT FOR 6000 FT. ACR Y LEAVING 4500 FT FOR 5000 FT. TFC ISSUED TO ACR X WHEN ACFT Y 8-10 MI APART. ACR X REACHED 6000 FT, ADVISED 'I HAVE AN RA' AND CLBED TO 6500 FT.
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.