Search and rescue volunteers
Field Mapping for Search and Rescue Teams: A Practical Companion
Search and rescue operations rely on established incident command, communications, and evidence procedures. A phone mapping app is not a replacement for those systems. It can, however, help an individual field team carry a prepared route, see its own GPS position, and record clear observations when coverage is absent.
Carry the operational map, not a personal substitute
Use the map products, coordinate format, and assignment process set by the incident. Load only data you are authorized to carry and share. If a team receives a search segment, access route, or clue location as a GPX, KML, or GeoJSON file, keep the original name and version visible on the device.
Download the required map area before deployment and check the phone’s battery plan. A map that works offline is helpful only if the device remains powered and the team continues to follow radio and safety procedures.
Make observation notes useful to the next person
When policy permits, use a waypoint for an observation that needs a documented location. Record what was observed, when, by whom, and the action taken or requested. Avoid vague labels such as “interesting” or “check later.”
Do not put sensitive subject details, evidence descriptions, or operational information into a public link. Follow the incident’s chain of custody, report format, and data-retention rules. Mapper.one’s private sharing can support a view-only handoff, but local policy comes first.
Use the recorded track as a field memory aid
A recorded or followed route can help a team confirm the corridor it walked and avoid an accidental parallel pass. It is not proof of a complete search, nor is phone GPS a substitute for the team’s established tracking and navigation methods.
At demobilization, export or share only through the incident-approved workflow. Review the route and waypoint notes while memories are fresh, then preserve the official record where the incident team expects it.
Common questions
Questions from the field
Is mapper.one a search and rescue command system?
No. It is a field mapping companion. Teams should continue using their incident command, communications, tracking, and evidence procedures.
Can search assignments be carried offline?
Yes, if the assignment data and map area are loaded before deployment. Confirm the current version with the incident before leaving coverage.