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Air carrier captain reported on descent into fsd the ZMP frequency 128.0 had a loud side-tone that was almost deafening and made communication with the center difficult.
| Attributes | |
| ACN | 1485485 |
| Time | |
| Date | 201710 |
| Place | |
| Locale Reference | ZMP.ARTCC |
| State Reference | MN |
| Aircraft 1 | |
| Make Model Name | Large Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 4671 Flight Crew Type 1869 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy |
Narrative:
During descent into fsd; we were switched to msp center on freq 128.0. The loud side-tone/squelch/squeal was almost deafening and made comms with msp center difficult at best; dangerous at worst. Msp center stated; 'known problem with that freq; write it up.' so I am. Crosses the line into dangerous in my opinion.
Original NASA ASRS Text
Title: Air carrier Captain reported on descent into FSD the ZMP frequency 128.0 had a loud side-tone that was almost deafening and made communication with the Center difficult.
Narrative: During descent into FSD; we were switched to MSP center on freq 128.0. The loud side-tone/squelch/squeal was almost deafening and made comms with MSP center difficult at best; dangerous at worst. MSP center stated; 'known problem with that freq; write it up.' So I am. Crosses the line into dangerous in my opinion.
Data retrieved from NASA's ASRS site 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.