With airplane mode, the wireless signals on your Apple iPad are turned off (mobile network, Wi-Fi, Bluetooth).
Pair Apple Pencil with your iPad - Apple Support
Does Airplane Mode Reduce My EMF Radiation Exposure?
What is Airplane Mode? What does it do and when should you turn it on?
Prevent Thieves from Turning On Your iPhone's Airplane Mode, So You Have a Better Chance to Track It Down « iOS & iPhone :: Gadget Hacks
How to customize the built-in Control Center on your iPad or iPhone - iPad Pilot News
Apple iPad 9th Gen (2021) - Control Center - AT&T
Connections & Network Turn on/off airplane mode
Guide for the Apple iPad (10th Generation) - Turn flight mode on or off
Here's How Airplane Mode is Different in iOS 11- The Mac Observer