Why preflight request is required?
Why preflight request is required? This is called a preflight request, which is necessary because of CORS (Cross-Origin Resource Sharing). These preflight requests ensure that the frontend app is allowed to interact with the resources served by the API.
How long does a preflight last?
Asking yourself When was the aircraft last flown, who flew it last, where has the aircraft been stood since? may indicate additional checks need to be made, or certain area looked at more closely. But generally, I would say the standard is not as it should be. External pre-flight - normally around 5-10 minutes.
Why is it called preflight?
Basically, preflight is going over your completed job files to identify and correct potential problems before the files are output to film. Printers borrowed the term “preflight” from the procedure pilots use before taking off.