Potentially a fatal mistake… This is why Pre Flight is so important

Can you see the mistake I made? If I did not pre-flight… Could that have been a fatal mistake? Leave comments down below and let me know what you think

Preflight

Myself

Boots tied
Zipper zipped
Belt buckled
Straps secure
Helmet buckled
Helmet Sena connected

Wing

Kite to wall
Lines
Brakes clear
Risers not twisted
Fabric check
Rocks debris butt hole

motor

Prop
Bolt torque
Bolts Motor mounts
Belt
Zip ties Velcro
Carabiner lock
Gas fuel
Guess tank tight

clip in

Carabiner is locked
No rise or twist
Brakes clear to pulley
Leg strap connected
No strap twist
Engine full throttle OK

Run into the sky
Stay full throttle
Altitude before seat