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A new way to find missing people

A new way to find missing people

Posted by Simon Tjernström

2019-11-01 10:06

Many people have opinions about Recco. The latest news is a device attachable to a helicopter for fast search over big areas.

The Recco SAR Helicopter Detector is a missing person search device to search wide areas fast for people equipped with Recco Rescue Reflectors. The detector is attached to the helicopter with a sling and carried as a hanging load.

Recco SAR helicopter illustration.jpg
Functional principle
The Recco detector transmits a directional radio signal that is reflected by the Recco rescue reflector. The detector operator perceives the reflected signal as a tone, and the closer the detector gets to the reflector, the stronger the signal/tone.

Search Parameters
The search parameters are very dependent on the terrain, weather, vegetation and the surface structure. Therefore, only an approximate indication of the average search parameters can be given:

  • Height: approx. 100m
  • Speed: approx. 100 km/h
  • Search corridor width: approx. 100m

Search performance at average search parameters = 6 minutes/km2

recco1.jpeg
Technical data for the RECCO SAR helicopter detector
  • Weight: 80 kg (including batteries)
  • Size: 57cm (diameter)
  • Power source: battery operation, regardless of helicopter type
  • Operating time: 6 hours
Technical data for the RECCO Rescue Reflector
  • Integrated in equipment or extra retrofit for backpacks or helmet
  • Functional principle: passive transponder
  • Weight: about 4 g
  • Size: approx. 1.5 x 7 x 0.5 cm
  • Requires no battery or activation
  • Unlimited lifespan

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