37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Attributes | |
ACN | 293050 |
Time | |
Date | 199501 |
Day | Thu |
Local Time Of Day | 0601 To 1200 |
Place | |
Locale Reference | atc facility : dca |
State Reference | DC |
Altitude | msl bound lower : 8000 msl bound upper : 7600 |
Environment | |
Flight Conditions | VMC |
Light | Daylight |
Aircraft 1 | |
Controlling Facilities | tracon : dca |
Operator | common carrier : air carrier |
Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
Operating Under FAR Part | Part 121 |
Navigation In Use | Other |
Flight Phase | cruise other |
Route In Use | arrival other enroute airway : dca |
Flight Plan | IFR |
Aircraft 2 | |
Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
Operating Under FAR Part | other : unknown |
Person 1 | |
Affiliation | company : air carrier |
Function | flight crew : first officer |
Qualification | pilot : cfi pilot : atp |
Experience | flight time last 90 days : 170 flight time total : 4500 flight time type : 1500 |
ASRS Report | 293050 |
Person 2 | |
Affiliation | company : air carrier |
Function | flight crew : captain oversight : pic |
Qualification | pilot : atp |
Events | |
Anomaly | conflict : airborne less severe other anomaly other |
Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
Resolutory Action | flight crew : took evasive action |
Consequence | Other |
Supplementary | |
Primary Problem | Flight Crew Human Performance |
Air Traffic Incident | Pilot Deviation |
Narrative:
It was a VFR day. We were on the irons arrival into dca at 8000 ft. We received a TA on TCASII. We spotted the traffic at 1 O'clock. TCASII revealed the traffic was at 8400 ft. The traffic was to pass over our aircraft. Then a RA appeared on TCASII to descend of at least 1500 FPM. As the PF I followed the RA. At 7600 ft the TCASII revealed we were clear of traffic, then we climbed back to 8000 ft. When we notified ATC of our traffic and subsequent deviation they issued a TA for the first time. There was no further incident on our arrival to dca.
Original NASA ASRS Text
Title: PLTDEV FROM TCASII RA EVASIVE ACTION FROM UNKNOWN ACFT.
Narrative: IT WAS A VFR DAY. WE WERE ON THE IRONS ARR INTO DCA AT 8000 FT. WE RECEIVED A TA ON TCASII. WE SPOTTED THE TFC AT 1 O'CLOCK. TCASII REVEALED THE TFC WAS AT 8400 FT. THE TFC WAS TO PASS OVER OUR ACFT. THEN A RA APPEARED ON TCASII TO DSND OF AT LEAST 1500 FPM. AS THE PF I FOLLOWED THE RA. AT 7600 FT THE TCASII REVEALED WE WERE CLR OF TFC, THEN WE CLBED BACK TO 8000 FT. WHEN WE NOTIFIED ATC OF OUR TFC AND SUBSEQUENT DEV THEY ISSUED A TA FOR THE FIRST TIME. THERE WAS NO FURTHER INCIDENT ON OUR ARR TO DCA.
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.