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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Air carrier X received TCASII TA RA from aircraft Y. Evasive action taken. Unauthorized climb from assigned altitude. Non adherence to ATC clearance.
| Attributes | |
| ACN | 200738 |
| Time | |
| Date | 199201 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : ood |
| State Reference | NJ |
| Altitude | msl bound lower : 22000 msl bound upper : 23000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny |
| 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 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 10000 flight time type : 800 |
| ASRS Report | 200738 |
| 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 | faa : reviewed incident with flight crew |
| Miss Distance | vertical : 1000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X en route iad-pwm level at FL230 waiting for higher 46 NM south of ood VOR on the 244 degree radial (ZNY). We received a TCASII warning 'traffic, traffic' followed by 'climb, climb' and an RA of +1500 FPM. We quickly followed the RA and climbed to FL235, while captain called center. Center confirmed aircraft Y and told us he was leveling at FL220. We stopped climb and descended back to FL230 with aircraft Y in sight. Aircraft Y was climbing rapidly to FL220 from 330 degrees heading about 150 degrees. We continued trip normally.
Original NASA ASRS Text
Title: ACR X RECEIVED TCASII TA RA FROM ACFT Y. EVASIVE ACTION TAKEN. UNAUTHORIZED CLB FROM ASSIGNED ALT. NON ADHERENCE TO ATC CLRNC.
Narrative: ACR X ENRTE IAD-PWM LEVEL AT FL230 WAITING FOR HIGHER 46 NM S OF OOD VOR ON THE 244 DEG RADIAL (ZNY). WE RECEIVED A TCASII WARNING 'TFC, TFC' FOLLOWED BY 'CLB, CLB' AND AN RA OF +1500 FPM. WE QUICKLY FOLLOWED THE RA AND CLBED TO FL235, WHILE CAPT CALLED CTR. CTR CONFIRMED ACFT Y AND TOLD US HE WAS LEVELING AT FL220. WE STOPPED CLB AND DSNDED BACK TO FL230 WITH ACFT Y IN SIGHT. ACFT Y WAS CLBING RAPIDLY TO FL220 FROM 330 DEGS HDG ABOUT 150 DEGS. WE CONTINUED TRIP NORMALLY.
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.