Notice of Large Model Rocket Launch - FAR 101.22 Pursuant to the requirements set down in Federal Aviation Regulation 101.22, this is a notice of a launch event for Large Model Rockets. For your information, a Large Model Rocket is defined as a model that uses not more than 125 grams of propellant, made of paper, wood, or breakable plastic, containing no substantial metal parts, and weighing not more than 1,500 grams including propellant. A model rocket, exempt from regulation as per FAR 101, Subpart C, is identical in definition except that its maximum weight is 453 grams and its maximum propellant weight is 113 grams. The following information is specifically required by this regulation: Name, address, and telephone number of Launch Coordinator: Location of Launch Site: Date and Time of Launch Operation: Estimated Number of Rockets to be Operated: Estimated Size and Weight: Estimated Maximum Altitude: As per the requirements of FAR 101.23, this launch event will be cancelled if the horizontal visibility is less than five miles or if the sky is more than five-tenths obscured at the maximum estimated altitude. In addition, if surface winds exceed a steady 20 miles per hour, this launch event will also be cancelled for safety reasons. This notice, or equivalent information via telephone, is being provided to the FAA and to all known airports within a 5 nautical mile radius of the above-named launch location.