Also don't forget that the height of the structure INCLUDES the antenna. A 199 ft tower does not need to be lighted. Add a 1 ft protrusion to the top and it now need lighting.
Milt N3LTQ ----- Original Message ----- From: "Nate Duehr" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, June 19, 2007 5:14 AM Subject: Re: [Repeater-Builder] Re: Would You..... tower height question > > On Jun 17, 2007, at 8:04 AM, texasexpediter wrote: > >> What is the maximum height a tower can be without falling under all >> the lighting, painting etc. regulations? > > Others have mentioned that it's 199 feet. Lower near airports. > > Oh... and you don't have to be NEAR an airport to have required > lighting in mountainous or rolling terrain. Your tower might just > happen to fall directly under the flight path of an approach > corridor, or other aviation "busy" area and be very short, but it > "adds" to a mountain already "in the way" of the corridor... and be > required to have lighting... > > The "near airports" is actually a vertical gradient from the runway > environment to the tower, and is hyper-complex in that the FAA has a > bunch of rules surrounding it -- all of which are in the interests of > aviation safety. > > Whether or not the airport has an instrument approach (where aircraft > will be physically lower to the ground - especially non-precision > instrument approaches with circle-to-land minimums listed) can come > into play, as well as a whole pile of other things. Basically, it > comes down to this: The FAA decides if the tower needs lights, and > if it does -- the FCC enforces. > > Truly ANY structure can be required to be lighted. Look at the tops > of buildings near airports sometime -- you'll see many have aviation > red markers at their top corners or on the facade wall above the > elevator shaft. They don't pay for the lighting system out of the > "goodness of their hearts", that's for sure. > > I tried to read all the TERPS data and rules one time that I could > get my hands on, to figure it all out and came away boggled. There's > a LOT of rules the FAA folks follow to determine if a structure needs > lighting. > > -- > Nate Duehr, WY0X > [EMAIL PROTECTED] > > > > > > > > > Yahoo! Groups Links > > >
