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Mdt cleared for ILS approach in IMC with WX at minimums executes a missed approach due to WX conditions while unknown to flight crew snow removal equipment on runway.
| Attributes | |
| ACN | 126171 |
| Time | |
| Date | 198910 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : mqt |
| State Reference | MI |
| Altitude | msl bound lower : 1650 msl bound upper : 3600 |
| Environment | |
| Flight Conditions | IMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : saw |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | descent : approach landing : missed approach |
| Route In Use | arrival other enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : instrument pilot : cfi |
| Experience | flight time last 90 days : 200 flight time total : 8400 flight time type : 600 |
| ASRS Report | 126171 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | non adherence : published procedure non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | none taken : insufficient time other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | Inter Facility Coordination Failure other |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
| Airport | procedure or policy : unspecified |
Narrative:
Aircraft was dispatched with #2 communication transmitter inoperative. Approach gave a short turn to the final approach course from the north for the ILS runway 8. The late vector resulted in passing through the localizer. Course was regained just before OM. Approach cleared the flight for the approach at the OM. The crew encountered moderate turbulence with airspeed fluctuations of 10 KTS. Concentrating on controling the aircraft, the crew completed the final checklist, but forgot to switch the only communication over to mqt FSS for advisory. Mqt FSS was awaiting a call from flight xx in order to call snowplows from the runway. An unk conflict may have developed between the approaching flight and the snowplows on the runway. WX deteriorated such that flight xx executed a missed approach because of failure to see the runway environment.
Original NASA ASRS Text
Title: MDT CLRED FOR ILS APCH IN IMC WITH WX AT MINIMUMS EXECUTES A MISSED APCH DUE TO WX CONDITIONS WHILE UNKNOWN TO FLT CREW SNOW REMOVAL EQUIPMENT ON RWY.
Narrative: ACFT WAS DISPATCHED WITH #2 COM XMITTER INOP. APCH GAVE A SHORT TURN TO THE FINAL APCH COURSE FROM THE N FOR THE ILS RWY 8. THE LATE VECTOR RESULTED IN PASSING THROUGH THE LOC. COURSE WAS REGAINED JUST BEFORE OM. APCH CLRED THE FLT FOR THE APCH AT THE OM. THE CREW ENCOUNTERED MODERATE TURB WITH AIRSPD FLUCTUATIONS OF 10 KTS. CONCENTRATING ON CTLING THE ACFT, THE CREW COMPLETED THE FINAL CHKLIST, BUT FORGOT TO SWITCH THE ONLY COM OVER TO MQT FSS FOR ADVISORY. MQT FSS WAS AWAITING A CALL FROM FLT XX IN ORDER TO CALL SNOWPLOWS FROM THE RWY. AN UNK CONFLICT MAY HAVE DEVELOPED BTWN THE APCHING FLT AND THE SNOWPLOWS ON THE RWY. WX DETERIORATED SUCH THAT FLT XX EXECUTED A MISSED APCH BECAUSE OF FAILURE TO SEE THE RWY ENVIRONMENT.
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.