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I can't seem to upload the image, so here's a link to the chart location: http://skyvector.com/?ll=44.0932593059169,-71.15500117087038&chart=15&zoom=1&plan=A.K2.KSMO:G.34.20694599376036,-118.06690220310004:A.K2.L35 Spotted near KIZG in northern New Hampshire near the Maine border.

to infinity and beyond!

Kidding aside, does anyone know what the warning is in reference to? A quick survey of the surrounding area on Google Maps didn't show anything unusual. Web searches were similarly unsuccessful. Could it be an old warning that's no longer relevant?

Hi, KIZG is my home airport. Mount Washington, tallest mountain on the east coast, is right near there, and there are a number of weather observatories/scientific missions in the area because of it, including a couple right within that marked laser zone. Common wisdom at the airport is there's some sort of scientific weather observation with lasers going on in the area, and I can confirm that there is an unmarked driveway with an unusual amount of security for the area (barbwire chainlink fence, security camera, key card to open the gate, etc...) right in the middle of the marked area. (It's all dense forrest here, no chance of seeing much on google earth, or from the road, sadly.) FWIW, pilots out of IZG, routinely ignore the warning with no ill effect. Stupid, I know, but they do. Mt. Washington is *the* big sight-seeing destination for GA pilots in the area, and unfortunately that laser waring area completely blocks off what's known as the Mount Washington Valley, which is by far the best route from the airport to the mountain. In 7 years I haven't heard of anyone having a problem. What did mom say? It's all fun and games until someone loses an eye...

LASER BASED ATMOSPHERIC RESEARCH INTERVALE VILLAGE/MOUNT WASHINGTON VALLEY Bartlett, New Hampshire Laser based atmospheric research will be conducted at Intervale Village in the town of Bartlett, New Hampshire. The "Ground Winds" system is a research laser that will be located at Latitude 44''05'56.24" North, Longitude 071°09'31.25" West (NADS3), or BML 195 032. Laser research will be conducted continuously. The laser light will project at a fixed 45° angle, as measured from the horizon, from the surface to 60,000 feet and beyond. When activated, the light will be at a fixed azimuth. However, the azimuth will periodically change. At 10,000 feet in altitude, the internal cone will only be 10 miles in diameter, but only projecting in one direction (azimuth) at any time. Avoid airborne hazard, this beam may be injurious to Pilots/Aircrews and passengers eyes within 9 nautical miles. The secondary effects of Flash blindness or Cockpit Illumination may occur at great distances. The Bostin Air Route Traffic Control Center, (603) 879-6655, is the FAA coordination facility. You can also google "ground winds" laser bartlett nh for additional info and papers.