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B737-700 captain reported losing contact with ATC when they incorrectly entered a new frequency. Situation was complicated by a wake turbulence encounter.
| Attributes | |
| ACN | 1211649 |
| Time | |
| Date | 201410 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | SFO.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Route In Use | STAR BIG SUR TWO |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Experience | Flight Crew Last 90 Days 122 |
| Events | |
| Anomaly | Deviation - Procedural Clearance Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
While level at 6000' on the arrival; we received a new frequency on 121.5 and a simultaneous jolt of wake turbulence. It wasn't clear to me which radio the call came from or even if it was for us. The other pilot (pilot flying) asked for a repeat on 121.5 and we eventually called approach on the new frequency. In the meantime; we were trying to locate the source of the wake encounter. Eventually; we reviewed our comm panels and found the hundredths digit had been inadvertently moved on our previous frequency.
Original NASA ASRS Text
Title: B737-700 Captain reported losing contact with ATC when they incorrectly entered a new frequency. Situation was complicated by a wake turbulence encounter.
Narrative: While level at 6000' on the arrival; we received a new frequency on 121.5 and a simultaneous jolt of wake turbulence. It wasn't clear to me which radio the call came from or even if it was for us. The other Pilot (Pilot Flying) asked for a repeat on 121.5 and we eventually called Approach on the new frequency. In the meantime; we were trying to locate the source of the wake encounter. Eventually; we reviewed our COMM panels and found the hundredths digit had been inadvertently moved on our previous frequency.
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.