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Preparing to leave 11000 ft, on approach to msp, air carrier X received a TCASII TA and RA with an indication of 500 ft and 3 mi. Neither pilot saw the traffic.
| Attributes | |
| ACN | 405699 |
| Time | |
| Date | 199806 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : msp |
| State Reference | MN |
| Altitude | msl bound lower : 11000 msl bound upper : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : msp |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other descent : approach descent other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | King Air 100 A/B |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 20800 flight time type : 1600 |
| ASRS Report | 405699 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| 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 none taken : unable |
| Consequence | Other |
| Miss Distance | vertical : 500 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Approaching zaske on the eau 3 arrival at 11000 ft with clearance to 9000 ft we noticed traffic on the TCASII at -500 ft and about 3 mi followed shortly by a TA followed shortly by an RA which required a pull up to about 3000+ FPM rate of climb. As I followed the RA further separation from the traffic was not evident, ie, the traffic stayed at -500 ft until clear of conflict was announced and the traffic passed directly below the airplane symbol on our TCASII. I nor the first officer did not see the traffic but I have to estimate the miss distance at 500 ft according to the TCASII.
Original NASA ASRS Text
Title: PREPARING TO LEAVE 11000 FT, ON APCH TO MSP, ACR X RECEIVED A TCASII TA AND RA WITH AN INDICATION OF 500 FT AND 3 MI. NEITHER PLT SAW THE TFC.
Narrative: APCHING ZASKE ON THE EAU 3 ARR AT 11000 FT WITH CLRNC TO 9000 FT WE NOTICED TFC ON THE TCASII AT -500 FT AND ABOUT 3 MI FOLLOWED SHORTLY BY A TA FOLLOWED SHORTLY BY AN RA WHICH REQUIRED A PULL UP TO ABOUT 3000+ FPM RATE OF CLB. AS I FOLLOWED THE RA FURTHER SEPARATION FROM THE TFC WAS NOT EVIDENT, IE, THE TFC STAYED AT -500 FT UNTIL CLR OF CONFLICT WAS ANNOUNCED AND THE TFC PASSED DIRECTLY BELOW THE AIRPLANE SYMBOL ON OUR TCASII. I NOR THE FO DID NOT SEE THE TFC BUT I HAVE TO ESTIMATE THE MISS DISTANCE AT 500 FT ACCORDING TO THE TCASII.
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.