performance at a great price, try the 68 inch Edge 540 ARF from Seagull. Click the link below to download the Instruction Manual in a new window. View and Download Seagull Models EDGE 540 instruction manual online. Seagull Models. EDGE 540 toy pdf manual download. This instruction manual is designed to help you build a great flying aeroplane. Please read this manual thoroughly before starting assembly of your EDGE 540. This instruction manual is designed to help you build a great flying aeroplane. Please read this manual thoroughly before starting assembly of your EDGE 540. SEAGULL MODELS EDGE 540 V2 [BACKORDER]. SEAGULL. SEA26A. $446.80 $628.00 Click the link below to download the Instruction Manual in a new window.This instruction manual is designed to help you build a great flying aeroplane. Please read this manual thoroughly before starting assembly of your EDGE 540.