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An air carrier ATR72 captain reports that he landed without clearance while talking to TRACON approach control. Aircraft equipment problem radio would not channelize or flight crew technique radio tuning.
| Attributes | |
| ACN | 347770 |
| Time | |
| Date | 199609 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mgm |
| State Reference | AL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mgm tower : mgm tower : isp |
| Operator | common carrier : air carrier |
| Make Model Name | ATR 72 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | landing other other |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 225 flight time total : 15000 flight time type : 200 |
| ASRS Report | 347770 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure non adherence : far other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While executing visual approach, was told to contact tower. I channeled tower frequency in radio but did not 'channelize' correctly. I called approach control and advised we were on downwind. I'm not sure what the response was, but I guess it must have been 'roger.' we landed while still on approach control frequency, assuming we were cleared to land.
Original NASA ASRS Text
Title: AN ACR ATR72 CAPT RPTS THAT HE LANDED WITHOUT CLRNC WHILE TALKING TO TRACON APCH CTL. ACFT EQUIP PROB RADIO WOULD NOT CHANNELIZE OR FLC TECHNIQUE RADIO TUNING.
Narrative: WHILE EXECUTING VISUAL APCH, WAS TOLD TO CONTACT TWR. I CHANNELED TWR FREQ IN RADIO BUT DID NOT 'CHANNELIZE' CORRECTLY. I CALLED APCH CTL AND ADVISED WE WERE ON DOWNWIND. I'M NOT SURE WHAT THE RESPONSE WAS, BUT I GUESS IT MUST HAVE BEEN 'ROGER.' WE LANDED WHILE STILL ON APCH CTL FREQ, ASSUMING WE WERE CLRED TO LAND.
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.