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A near midair collision occurs about 1200 ft AGL after takeoff on the initial noise abatement departure.
| Attributes | |
| ACN | 290366 |
| Time | |
| Date | 199411 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dca |
| State Reference | DC |
| Altitude | agl bound lower : 1200 agl bound upper : 1200 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : dca tracon : tpa |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial |
| Route In Use | departure other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Cessna Twin Piston Undifferentiated or Other Model |
| Operating Under FAR Part | other : unknown |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 135 flight time total : 7300 flight time type : 91 |
| ASRS Report | 290366 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : nmac non adherence : required legal separation non adherence : clearance other spatial deviation |
| 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 : 0 vertical : 50 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Shortly after takeoff from dca, as we were climbing through approximately 1200 ft AGL/MSL on the 185 degree radial, we got a TCASII alert. The 'monitor vertical speed,' aural sounded twice. I immediately checked the vsi and observed a red arc completely around the instrument, from 6000 FPM up to 6000 FPM down. Seeing no green fly to area on the instrument, I shifted my scan completely outside and picked up a light twin engine aircraft (I believe a cessna), above and slightly to our left. I started a descending right turn, arresting our closure rate. Once our closure rate was arrested, we called tower who was calling the other aircraft, and as separation was gained we continued our climb. At closest proximity we passed about 50 ft from the twin, we were at low speed, flaps 15 degrees, less than 150 KTS, waiting to reach clean up altitude. The twin appeared clean in a right turn closing from left to right. In retrospect, the following contributing factors probably led to this conflict: no ground based TA was given to us regarding the other aircraft. Once the 'monitor vertical speed' warning was given, there was no fly to area indicated, just a solid red band. The visibility in the B-727 is limited by a beam between the eyebrow window and the side window. The sun was blindingly bright in the upper forward portion of the side window. The prime contributing factor, however, was the non compliance with clearance by the other aircraft.
Original NASA ASRS Text
Title: A NMAC OCCURS ABOUT 1200 FT AGL AFTER TKOF ON THE INITIAL NOISE ABATEMENT DEP.
Narrative: SHORTLY AFTER TKOF FROM DCA, AS WE WERE CLBING THROUGH APPROX 1200 FT AGL/MSL ON THE 185 DEG RADIAL, WE GOT A TCASII ALERT. THE 'MONITOR VERT SPD,' AURAL SOUNDED TWICE. I IMMEDIATELY CHKED THE VSI AND OBSERVED A RED ARC COMPLETELY AROUND THE INST, FROM 6000 FPM UP TO 6000 FPM DOWN. SEEING NO GREEN FLY TO AREA ON THE INST, I SHIFTED MY SCAN COMPLETELY OUTSIDE AND PICKED UP A LIGHT TWIN ENG ACFT (I BELIEVE A CESSNA), ABOVE AND SLIGHTLY TO OUR L. I STARTED A DSNDING R TURN, ARRESTING OUR CLOSURE RATE. ONCE OUR CLOSURE RATE WAS ARRESTED, WE CALLED TWR WHO WAS CALLING THE OTHER ACFT, AND AS SEPARATION WAS GAINED WE CONTINUED OUR CLB. AT CLOSEST PROX WE PASSED ABOUT 50 FT FROM THE TWIN, WE WERE AT LOW SPD, FLAPS 15 DEGS, LESS THAN 150 KTS, WAITING TO REACH CLEAN UP ALT. THE TWIN APPEARED CLEAN IN A R TURN CLOSING FROM L TO R. IN RETROSPECT, THE FOLLOWING CONTRIBUTING FACTORS PROBABLY LED TO THIS CONFLICT: NO GND BASED TA WAS GIVEN TO US REGARDING THE OTHER ACFT. ONCE THE 'MONITOR VERT SPD' WARNING WAS GIVEN, THERE WAS NO FLY TO AREA INDICATED, JUST A SOLID RED BAND. THE VISIBILITY IN THE B-727 IS LIMITED BY A BEAM BTWN THE EYEBROW WINDOW AND THE SIDE WINDOW. THE SUN WAS BLINDINGLY BRIGHT IN THE UPPER FORWARD PORTION OF THE SIDE WINDOW. THE PRIME CONTRIBUTING FACTOR, HOWEVER, WAS THE NON COMPLIANCE WITH CLRNC BY THE OTHER ACFT.
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.