| Instrument | Description | Photo |
|---|---|---|
| Novatech AS900A ARGOS satellite beacon | Transmits location via satellite when mooring on surface. Extra charge for transmissions. Spec Sheet | photo |
| XEOS Kilo Iridium beacon | (satellite usage costs extra) Spec Sheet | photo |
| XEOS XMi-11k Iridium beacon | 11,000 m rated. (satellite usage costs extra) Spec Sheet | photo |
| Metocean Data Systems RF700C6 RF Beacons | RF transmission and flashing light when on surface Spec Sheet | photo |
| DF500N hand-held direction finding receiver | Spec Sheet | photo |