I did a stint at Sumburgh and can confirm the 33 approach could be 'interesting'. There were 3 or 4 sodium lead-in lights in a curve between Sumburgh Head and the Sumburgh Hotel to help the pilots, but even so, I remember one Viscount (BMA I think) nearly ending up sideways across the runway. He was admittedly unfamiliar with the airfield; BMA didn't have a regular service; this one was a 'rescue' charter for some people who were stranded when the airline they'd booked with went bust.