public ActionResult AddCheckout(AddCheckoutViewModel viewModel)
{
PilotCheckout checkout = new PilotCheckout();
checkout.AircraftId = viewModel.AircraftId;
checkout.PilotId = viewModel.PilotId;
checkout.InstructorId = viewModel.InstructorId;
checkout.CheckoutDate = viewModel.CheckoutDate;
_dataService.AddCheckout(checkout);
return(PilotReview(viewModel.PilotId));
}