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A landing clearance acknowledgment was not received by buf tower from the MD80 flight crew. On taxi in controller queried the crew as to why not.
| Attributes | |
| ACN | 406590 |
| Time | |
| Date | 199806 |
| Day | Sat |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : buf |
| State Reference | NY |
| Altitude | agl bound lower : 0 agl bound upper : 1500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : buf |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | descent : approach landing other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 240 flight time total : 26000 flight time type : 1200 |
| ASRS Report | 406590 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | other pilot : instrument pilot : flight engineer pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 210 flight time total : 18000 flight time type : 345 |
| ASRS Report | 406941 |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : insufficient time |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
After receiving landing clearance from buffalo tower, acknowledgment was made. During taxi in tower wanted to know why we did not acknowledge landing clearance. We later found out microphone was working intermittently. Supplemental information from acn 406941: captain acknowledged clearance. Tower again cleared us to land and captain again acknowledged clearance. Tower questioned why we did not acknowledge clearance. Discovered microphone transmitter was stuck.
Original NASA ASRS Text
Title: A LNDG CLRNC ACKNOWLEDGMENT WAS NOT RECEIVED BY BUF TWR FROM THE MD80 FLC. ON TAXI IN CTLR QUERIED THE CREW AS TO WHY NOT.
Narrative: AFTER RECEIVING LNDG CLRNC FROM BUFFALO TWR, ACKNOWLEDGMENT WAS MADE. DURING TAXI IN TWR WANTED TO KNOW WHY WE DID NOT ACKNOWLEDGE LNDG CLRNC. WE LATER FOUND OUT MIKE WAS WORKING INTERMITTENTLY. SUPPLEMENTAL INFO FROM ACN 406941: CAPT ACKNOWLEDGED CLRNC. TWR AGAIN CLRED US TO LAND AND CAPT AGAIN ACKNOWLEDGED CLRNC. TWR QUESTIONED WHY WE DID NOT ACKNOWLEDGE CLRNC. DISCOVERED MIKE XMITTER WAS STUCK.
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.