As seen in illustration D039SA below, a locker with additional breathing apparatuses can be found in what location designated by this symbol on the ship's fire control plan?

Correct Answer: Option C — 59

SOLAS carriage requirements mandate dedicated lockers for emergency equipment. Symbol 59 on international fire control plans specifically identifies the storage location for Self-Contained Breathing Apparatuses (SCBA), ensuring rapid access for firefighting and entry teams during toxic atmosphere emergencies.