GMDSS Maintainer: Element 9

1. A A strobe light, automatic float-free bracket, 1-watt 406-MHz alert beacon.
2. B A 5-watt 406-MHz alert beacon, Automatic Hydrostatic Release (ARM), strobe light.
3. C Automatic float-free bracket, 5-watt 121.5 MHz homing beacon, strobe light.
4. D Automatic Hydrostatic Release (ARM), 1-watt 121.5 MHz alerting beacon, strobe light.

Tip: press A-D to answer