Rebecca Thomas, a dancer from Sutton Coldfield, is stranded on the cruise ship the Costa Allegra in the Indian Ocean after it lost power.
Her brother James Thomas, who is also a dancer, escaped from the Costa Concordia which sank in Italy last month.
More top news
The officers are due to answer allegations relating to offensive messages that were exchanged within a private phone messaging group.
Stuart Langford targeted vulnerable young boys, offering them money and gifts in order to control and sexually abuse them.
Four prison inmates have been charged in connection with last month's major outbreak of disorder at Birmingham's Winson Green jail.