1. Objective: To be able to work out a basic search area from visual sightings Bearings lesson SaRbearings.lgfl.net

2. Search and Rescue – sar.lgfl.net© 2016 London Grid for Learningsar.lgfl.net Job Requirements Maths required: Interpreting bearings Constructing lines Measuring Co-ordinate Compass constructions Equipment required: Protractor Ruler Pencil Pen Rubber

3. Search and Rescue – sar.lgfl.net© 2016 London Grid for Learningsar.lgfl.net Videos Introduction to the Coastguard What challenges does the Coastguard face? Why is Maths so important in Search and Rescue activities?Why is Maths so important in Search and Rescue activities?

4. Search and Rescue – sar.lgfl.net© 2016 London Grid for Learningsar.lgfl.net 999…what’s your emergency? 07777123456 08:26 07/09/2015 (blue cross on map) 999: What’s your emergency? Caller: I can see a boat on fire! 999: OK sir, please remain calm. We’ve triangulated your location, please describe its location from where you are. Public: It’s due East, but I’m not sure how far...

5. Search and Rescue – sar.lgfl.net© 2016 London Grid for Learningsar.lgfl.net 999…what’s your emergency? 07787987321 08:27 07/09/2015 (red cross on map) 999: What’s your emergency? Caller: I’m walking my dog and I can see a distant fire out at sea. 999: OK sir, please remain calm and describe its location from where you are. Public: North East. I could see it as I came over the cliff.

6. Search and Rescue – sar.lgfl.net© 2016 London Grid for Learningsar.lgfl.net 999…what’s your emergency? Using the information from the two callers, how could you identify a location to send to the Coastguard? We know that there is a boat on fire: - due East (090°) from the blue caller - North East (045°) from the red caller

7. Search and Rescue – sar.lgfl.net© 2016 London Grid for Learningsar.lgfl.net 999…what’s your emergency? By plotting lines using the direction (or bearing) given by the callers, you can find a suitable place to start searching. Things to consider: Why might this not be a completely accurate location? What would make it more accurate?

8. Search and Rescue – sar.lgfl.net© 2016 London Grid for Learningsar.lgfl.net Your turn Have a look at the scenarios provided to you. For each scenario, identify a suitable place to send the Coastguard Search and Rescue team.