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Close proximity air carrier-large transport air carrier-small transport. Large transport was taxiing to terminal and small transport making an ILS approach to runway 21 at dtw.
| Attributes | |
| ACN | 84333 |
| Time | |
| Date | 198803 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : dtw |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | ground other : taxi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Transport, Low Wing, 2 Recip Eng |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 12500 |
| ASRS Report | 84333 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 0 flight time total : 4300 flight time type : 0 |
| ASRS Report | 84476 |
| Events | |
| Anomaly | conflict : ground critical non adherence : published procedure other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : unable |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 15 vertical : 180 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
Aircraft had just landed on runway 21R at dtw. Quartering tailwind situation was noted during approach. Wind was 090/8 KTS. Approach control supervisor had changed runway confign from parallel 3R&left approachs to 21R&left due to 3R approach lights out and RVR dropping rapidly. We taxied clear of runway 21R on runway 27 and reported clear of the runway. Tower switched us to ground and we were cleared to gate via taxiway G. After approximately 30 second of taxi time approximately abeam C concourse, I observed a light twin in approximately 20-25 degree right bank coming at us at about an altitude of 75'. He was well to the right of us, crossing from our right to left. The pilot apparently saw our aircraft and pulled his nose up to miss us. I would estimate that he was 350-400' left of centerline when I first saw him. The north# was clearly visible. We notified ground control of the situation as the aircraft passed behind us, and he was rather speechless about the whole incident. I discussed the situation with the tower supervisor on the phone after securing our aircraft. Later several questions came to mind. If approach was radar monitored, how did this aircraft get this far off centerline and almost collide with a terminal and taxiing aircraft west/O notification? Probably too low for radar contact. Proficiency of this particular pilot. This pilot obviously needs additional instrument training--is this what we can expect from part 93 instrument pilots in the future? If so, we need a lot more fire trucks.
Original NASA ASRS Text
Title: CLOSE PROX ACR-LGT ACR-SMT. LGT WAS TAXIING TO TERMINAL AND SMT MAKING AN ILS APCH TO RWY 21 AT DTW.
Narrative: ACFT HAD JUST LANDED ON RWY 21R AT DTW. QUARTERING TAILWIND SITUATION WAS NOTED DURING APCH. WIND WAS 090/8 KTS. APCH CTL SUPVR HAD CHANGED RWY CONFIGN FROM PARALLEL 3R&L APCHS TO 21R&L DUE TO 3R APCH LIGHTS OUT AND RVR DROPPING RAPIDLY. WE TAXIED CLR OF RWY 21R ON RWY 27 AND RPTED CLR OF THE RWY. TWR SWITCHED US TO GND AND WE WERE CLRED TO GATE VIA TXWY G. AFTER APPROX 30 SEC OF TAXI TIME APPROX ABEAM C CONCOURSE, I OBSERVED A LIGHT TWIN IN APPROX 20-25 DEG RIGHT BANK COMING AT US AT ABOUT AN ALT OF 75'. HE WAS WELL TO THE RIGHT OF US, XING FROM OUR RIGHT TO LEFT. THE PLT APPARENTLY SAW OUR ACFT AND PULLED HIS NOSE UP TO MISS US. I WOULD ESTIMATE THAT HE WAS 350-400' LEFT OF CENTERLINE WHEN I FIRST SAW HIM. THE N# WAS CLEARLY VISIBLE. WE NOTIFIED GND CTL OF THE SITUATION AS THE ACFT PASSED BEHIND US, AND HE WAS RATHER SPEECHLESS ABOUT THE WHOLE INCIDENT. I DISCUSSED THE SITUATION WITH THE TWR SUPVR ON THE PHONE AFTER SECURING OUR ACFT. LATER SEVERAL QUESTIONS CAME TO MIND. IF APCH WAS RADAR MONITORED, HOW DID THIS ACFT GET THIS FAR OFF CENTERLINE AND ALMOST COLLIDE WITH A TERMINAL AND TAXIING ACFT W/O NOTIFICATION? PROBABLY TOO LOW FOR RADAR CONTACT. PROFICIENCY OF THIS PARTICULAR PLT. THIS PLT OBVIOUSLY NEEDS ADDITIONAL INSTRUMENT TRNING--IS THIS WHAT WE CAN EXPECT FROM PART 93 INSTRUMENT PLTS IN THE FUTURE? IF SO, WE NEED A LOT MORE FIRE TRUCKS.
Data retrieved from NASA's ASRS site as of August 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.