> There's no reason to think VFR landings at SFO are unsafe in normal conditions. "No reason" seems like a very strong claim. Is that the reason Lufthansa cite

> There's no reason to think VFR landings at SFO are unsafe in normal conditions. "No reason" seems like a very strong claim. Is that the reason Lufthansa cites for prohibiting visual separation at night? I mean it would clearly be in their interest to increase throughput as well, so they must think there's a reason. Why do you think that reason is invalid?