Open core/common/FrontSchedulesData.class.php file and replace this:
public function findschedule($arricao, $depicao, $airline) {
$query = "SELECT phpvms_schedules.*,
phpvms_aircraft.name AS aircraft, phpvms_aircraft.registration
FROM phpvms_schedules, phpvms_aircraft
WHERE phpvms_schedules.depicao LIKE '$depicao'
AND phpvms_schedules.arricao LIKE '$arricao'
AND phpvms_schedules.code LIKE '$airline'
AND phpvms_aircraft.id LIKE phpvms_schedules.aircraft";
return DB::get_results($query);
}
with this one:
public function findschedule($arricao, $depicao, $airline) {
$query = "SELECT phpvms_schedules.*,
phpvms_aircraft.name AS aircraft,
phpvms_aircraft.registration,
phpvms_aircraft.ranklevel AS aircraftlevel
FROM phpvms_schedules, phpvms_aircraft
WHERE phpvms_schedules.depicao LIKE '$depicao'
AND phpvms_schedules.arricao LIKE '$arricao'
AND phpvms_schedules.code LIKE '$airline'
AND phpvms_aircraft.id LIKE phpvms_schedules.aircraft";
return DB::get_results($query);
}