Max span of control for IC is
5
Operational sector
physical area of operations
functional sector
support function such as water, marshalling
where no overall mode in use what should be sent
each sectors mode (oscar/delta) detailed in messages
location of bridgehead
2 floors below fire floor (location rather than sector)
fire sector is
floors above bridgehead to the fire, floors directly involved in fire plus one floor above
search sector is
area of operations where search and rescue, ventilation or other operations are taking place
lobby sector is
ground floor to the fire floor including the bridgehead