"Gregg Germain" wrote in message
...

Is that always the case? Or even usually? For example, I fly out of
Hanscom and Beverly fields in Massachusetts. Beverly is pretty
small - couple of 5000+ foot runways. Still, we get pax carrying
planes in and out of there - small jets, 10-20 pax prop planes etc.
So it's commercial. And therefore need to operate in IMC, and
therefore you need a tower, no?

Hanscom - MUCH busier, is also class D and has bigger pax jets.
So it, too, need to have IMC.

So could the existence of passenger service be a reason there are Class
D's around?


Many untowered airports have instrument approaches. There are also
scheduled passenger operations at untowered airports. But airports with
scheduled passenger service will get a control tower at a much lower total
traffic level than airports without scheduled passenger service.