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Flight crew of an medium large transport air carrier aircraft took evasive action in response to a TCASII RA by increasing the rate of climb just after liftoff from a multiple parallel runways airport.
| Attributes | |
| ACN | 248403 |
| Time | |
| Date | 199309 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Altitude | agl bound lower : 200 agl bound upper : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : dtw |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : cfi pilot : atp pilot : instrument |
| Experience | flight time last 90 days : 200 flight time total : 14000 flight time type : 6000 |
| ASRS Report | 248403 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | non adherence : required legal separation other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 1000 vertical : 100 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Shortly after gear retraction and basically on runway heading, my aircraft received a TCASII generated RA. Our TCASII instructed us to maintain a vertical speed of 2000-3000 FPM. We immediately cleared the airspace around us and complied with the RA. After the RA passed we returned to normal climb parameters. We advised ATC (departure control) of the RA. While we never actually saw the traffic the depiction on the TCASII showed we passed within 100 ft vertically and perhaps less than 1000 ft horizontally. I consider this well within a near miss criteria. ATC later informed us the other aircraft was an light transport on a 280 degree assigned heading and departing metropolitan airport as well. Before, during and after our takeoff ATC never informed us of the traffic or possible conflict.
Original NASA ASRS Text
Title: FLC OF AN MLG ACR ACFT TOOK EVASIVE ACTION IN RESPONSE TO A TCASII RA BY INCREASING THE RATE OF CLB JUST AFTER LIFTOFF FROM A MULTIPLE PARALLEL RWYS ARPT.
Narrative: SHORTLY AFTER GEAR RETRACTION AND BASICALLY ON RWY HDG, MY ACFT RECEIVED A TCASII GENERATED RA. OUR TCASII INSTRUCTED US TO MAINTAIN A VERT SPD OF 2000-3000 FPM. WE IMMEDIATELY CLRED THE AIRSPACE AROUND US AND COMPLIED WITH THE RA. AFTER THE RA PASSED WE RETURNED TO NORMAL CLB PARAMETERS. WE ADVISED ATC (DEP CTL) OF THE RA. WHILE WE NEVER ACTUALLY SAW THE TFC THE DEPICTION ON THE TCASII SHOWED WE PASSED WITHIN 100 FT VERTICALLY AND PERHAPS LESS THAN 1000 FT HORIZLY. I CONSIDER THIS WELL WITHIN A NEAR MISS CRITERIA. ATC LATER INFORMED US THE OTHER ACFT WAS AN LTT ON A 280 DEG ASSIGNED HDG AND DEPARTING METRO ARPT AS WELL. BEFORE, DURING AND AFTER OUR TKOF ATC NEVER INFORMED US OF THE TFC OR POSSIBLE CONFLICT.
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.