The format in SANGP 4 prescribes other necessary addresses, of which the class Maintenance Authority counts as the most important, even if the ship is capable of rectifying the defect without assistance.
Uhlobo lwe-SANGP 4 luchaza ezinye idilesi zibalulekileyo, apho iGunya loGcino lithathwa njengelona libalulekileyo, nkqu nokuba inqanawa inako ukulungisa ukulahla ngaphandle kokuncediswa.