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During cruise; the flight crew of an embraer 505 experienced communication issues when the first officer used comm 2 inadvertently blocking the use of comm 1.
| Attributes | |
| ACN | 1359126 |
| Time | |
| Date | 201605 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Embraer Phenom 300 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Air/Ground Communication |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
In the cruise/descent portion of the flight we were cleared to 12;000 ft MSL and on an assigned heading of 245 degrees. I was the flying pilot (PIC) occupying the left seat. The first officer stated that he was going to leave comm 1 to contact [FBO] at the airport on comm 2 and I confirmed the 'transfer' of the radios stating I had comm 1. The first officer was on comm 2 for approximately 1 minute; all the while I was monitoring comm 1. Once my first officer stopped his communication on comm 2; tower stated our call sign and I responded. ATC stated that they tried 3 attempts to reach us. This was the first and only time I heard ATC. This was the result of the radio/comm setup in the phenom. When the non-flying pilot utilizes comm 2 and broadcasts; it 'blocks' the ability for the other pilot to hear ATC. Once we were established in communication my first officer stated that at times when utilizing the comm 2 radio it will 'block' out the comm. 1 radio; which was the case in this flight.there needs to be a radio modification of sort to remedy the 'blocked' comm 1 radio on this fleet as this is posing some issues.
Original NASA ASRS Text
Title: During cruise; the flight crew of an Embraer 505 experienced communication issues when the First Officer used comm 2 inadvertently blocking the use of comm 1.
Narrative: In the cruise/descent portion of the flight we were cleared to 12;000 ft MSL and on an assigned heading of 245 degrees. I was the Flying Pilot (PIC) occupying the left seat. The First Officer stated that he was going to leave comm 1 to contact [FBO] at the airport on comm 2 and I confirmed the 'transfer' of the radios stating I had comm 1. The First Officer was on comm 2 for approximately 1 minute; all the while I was monitoring comm 1. Once my First Officer stopped his communication on comm 2; tower stated our call sign and I responded. ATC stated that they tried 3 attempts to reach us. This was the first and only time I heard ATC. This was the result of the radio/comm setup in the Phenom. When the non-flying pilot utilizes comm 2 and broadcasts; it 'blocks' the ability for the other pilot to hear ATC. Once we were established in communication my First Officer stated that at times when utilizing the comm 2 Radio it will 'block' out the comm. 1 Radio; which was the case in this flight.There needs to be a radio modification of sort to remedy the 'blocked' comm 1 radio on this fleet as this is posing some issues.
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.