private void AddCheck()
{
MaintenanceCheck cas3MaintenanceLiminationItem =
new MaintenanceCheck {
ParentAircraft = _currentAircraft, ParentAircraftId = _currentAircraft.ItemId
};
MaintenanceCheckEdit temp = new MaintenanceCheckEdit(cas3MaintenanceLiminationItem);
temp.ShowDialog(this);
if (cas3MaintenanceLiminationItem.ItemId != -1)
{
_maintenanceChecks.Add(cas3MaintenanceLiminationItem);
}
}