What was found
(CAN) ON APPROACH THE CREW OBSERVED AN UNSAFE INDICATION OF THE NOSE GEAR UPON SELECTING GEAR DOWN FOR LANDING. THE CREW DECLARED AN EMERGENCY AND FOLLOWED THE APPLICABLE ABNORMAL CHECKLIST AND PERFORMED A GRAVITY GEAR EXTENSION WHICH RESULTED IN A SAFE GEAR INDICATION. THE LANDING WAS UNEVENTFUL AND THE ACFT WAS STOPPED ON THE TAXIWAY AFTER EXITING THE RUNWAY. IT HAD TO BE TOWED TO THE GATE DUE TO THE LACK OF NOSE WHEEL STEERING. THE ACFT WAS FERRIED GEAR DOWN TO THE MAIN MAINTENANCE BASE WERE INVESTIGATION AND REPAIR IS BEING PERFORMED.