E-04 406 ELT whip antenna. |
The install manual states that the antenna is to be mounted on top of the aircraft +-35 degrees of vertical when the aircraft is in normal flight attitude.
The supplemental ground plane must have a minimum diameter of 24" however 48 will provide maximum power at 121.5 MHz and is highly recommended. This antenna is 20.625" long.
To comply with the TSO installation instructions the external antenna will require replacement as well.
Approx 21.5 inches
Yes it uses a standard bnc connector and the nut is standard/typical.