mutual aid emergency agreements must be prearranged and duly authorized. a sample of a agreement is included in figure 5-1 of this appredix. the airport authority may have to act as co-ordinating agency if more complicated jurisdictional or multi-agency agreement are necessary. paragraphs 4 and 5 of this appendix contain guidelines compiled to assist the preparation of mutual aid emergency agreements with local fire departments for accidents occurring on and off the airport