Says “potential”Since you don’t know how to google or use ChatGPT I will do it for you
You can potentially use WhatsApp on a plane if the airplane offers Wi-Fi access and it's enabled on your phone. However, using WhatsApp on a plane might incur charges depending on the airline's Wi-Fi policy. Some airlines offer free messaging through texting apps like WhatsApp, while others charge for internet access. It's always best to check with your airline beforehand to see what their Wi-Fi options and costs are.
Thanks Chop!Here let me introduce you to ChatGPT
Air New Zealand does not currently allow you to use WhatsApp for voice calls or video calls while on board their flights due to aviation regulations. However, you can use WhatsApp for messaging if you have purchased in-flight Wi-Fi. Air New Zealand does offer its own mobile app that you can use to manage your bookings, check in for your flight, and get real-time flight information.