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Flight crew of widebody transport aircraft climbing in class a airspace has TCASII activate and sight a delta wing fighter pass by 400 ft above.
| Attributes | |
| ACN | 400391 |
| Time | |
| Date | 199804 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : ost |
| State Reference | FO |
| Altitude | msl bound lower : 24000 msl bound upper : 24400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : lirr |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Route In Use | enroute : atlantic |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | other |
| Make Model Name | Fighter |
| Operating Under FAR Part | other : other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : flight engineer pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 80 flight time total : 17000 |
| ASRS Report | 400391 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 6000 vertical : 400 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
TCASII RA climbing through 24400 ft MSL responded with descent at 2000 FPM. Pilot in right seat saw a delta wing fighter go by about 1 mi away and 400 ft above.
Original NASA ASRS Text
Title: FLC OF WDB ACFT CLBING IN CLASS A AIRSPACE HAS TCASII ACTIVATE AND SIGHT A DELTA WING FIGHTER PASS BY 400 FT ABOVE.
Narrative: TCASII RA CLBING THROUGH 24400 FT MSL RESPONDED WITH DSCNT AT 2000 FPM. PLT IN R SEAT SAW A DELTA WING FIGHTER GO BY ABOUT 1 MI AWAY AND 400 FT ABOVE.
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.