YLAH Tracking Companion Tool

Return flight timing & bearing log — v 24/08/26

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Bait station / location

Recorder initials

Bait station location

Bait station's Plus Code

Tap the map, or drag the pin, to mark the bait station

No pin placed yet.

Enable the compass to auto-capture bearings on departure.

Live heading: — move phone to test

Rule of thumb: 1 minute return flight ≈ 100m to nest. More accurate estimate used here: distance (m) = (flight time in seconds − 36) × 1.72. Treat as a guide only — wind, terrain and hornet condition all affect flight time. Never enter brambles or dense low cover to search for a nest.

© Richard Senior. Thanks to the volunteers and the Government of Jersey, whose fieldwork and maths this tool is built on.