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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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On climb out from iad, a CL60 air carrier has a possible conflict with unknown traffic at approximately 10000 ft.
| Attributes | |
| ACN | 637821 |
| Time | |
| Date | 200411 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : iad.airport |
| State Reference | VA |
| Altitude | msl single value : 10000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : pct.tracon |
| Operator | general aviation : corporate |
| Make Model Name | Challenger CL600 |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise : level |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 75 flight time total : 4500 flight time type : 2000 |
| ASRS Report | 637821 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Events | |
| Anomaly | conflict : airborne critical non adherence other |
| Independent Detector | atc equipment other atc equipment : radar/mode c other controllera other flight crewa other flight crewb |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action |
| Miss Distance | horizontal : 6000 vertical : 500 |
| Supplementary | |
| Problem Areas | Airspace Structure Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
While climbing out from iad en route to apf, we were handed off to another controller. In the change of frequencys, the proper frequency was lost. While looking for the proper frequency, I saw an aircraft on TCASII headed in our direction at our altitude. After finding the frequency, we were given a climb. I initiated an abrupt climb. About 3 seconds into the climb, the TCASII gave a climb RA. We never saw the other aircraft and nothing was said by ATC about the incident.
Original NASA ASRS Text
Title: ON CLBOUT FROM IAD, A CL60 ACR HAS A POSSIBLE CONFLICT WITH UNKNOWN TFC AT APPROX 10000 FT.
Narrative: WHILE CLBING OUT FROM IAD ENRTE TO APF, WE WERE HANDED OFF TO ANOTHER CTLR. IN THE CHANGE OF FREQS, THE PROPER FREQ WAS LOST. WHILE LOOKING FOR THE PROPER FREQ, I SAW AN ACFT ON TCASII HEADED IN OUR DIRECTION AT OUR ALT. AFTER FINDING THE FREQ, WE WERE GIVEN A CLB. I INITIATED AN ABRUPT CLB. ABOUT 3 SECONDS INTO THE CLB, THE TCASII GAVE A CLB RA. WE NEVER SAW THE OTHER ACFT AND NOTHING WAS SAID BY ATC ABOUT THE INCIDENT.
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.