For current Shoestring Airport wind conditions:

Weather data updates at one minute intervals - 

  https://www.weatherlink.com/embeddablePage/show/54dede1403e94c779348ed8ac247a8df/wide

Weather Summary - (shows the wind/gusts over the last 10 minutes)

  https://www.weatherlink.com/embeddablePage/show/9d5aa735957f4091875518cafd001269/summary

10-day weather forecast -

   https://www.wunderground.com/forecast/us/pa/stewartstown/KPASTEWA36

Winds aloft for PPGs -

  https://www.ryancarlton.com/0P2

For FAA info:

  http://www.airnav.com/airport/0P2

  https://skyvector.com/?ll=39.796254167,-76.646393056&chart=301&zoom=3

  https://www.youtube.com/watch?v=1ivjTmWxsEg

Drone video - our two left hand (fixed wing) traffic patterns. Courtesy of Hover Solutions:

  https://www.youtube.com/watch?v=e2q3k0rMgxg

A few airfield flight videos:

  https://www.facebook.com/brian.goff.372/videos/744392240217153/

  https://www.youtube.com/watch?v=0ClidQHsJV4

  https://www.youtube.com/watch?v=h4xWqlWtK7k

  https://vimeo.com/24415920

  https://www.youtube.com/watch?v=Z0s0DbLls5Y

A few fixed wing Ultralight prime contenders:

   http://quicksilveraircraft.com/mx-sport.php

   https://www.bydanjohnson.com/video/quicksilver-aeronautics-sprint-max-103-2015/

   https://www.uflyit.com/aerolite103main.htm

   https://www.bydanjohnson.com/video/u-fly-it-aerolite-103-2013/

   https://kolbaircraft.com/firefly.htm

   https://www.youtube.com/watch?v=PUupn9BdAIA

Some Powered Parachute/Paragliding info:  (PPC or PPG?)

    http://www.paraplane.com/FAQ.html

    https://www.paramotorclub.org/topic/10847-ppc-vs-ppg/

    https://www.paraflightnc.com  (Now here in central and eastern PA.)

    https://airxppg.com/

    http://www.usppa.org/   (This website also includes a helpful incident database)

    http://www.footflyer.com/ppg-bible-structure-and-links/

The gray zone - rotary wing ultralights:

    https://composite-fx.com/    

    https://www.youtube.com/watch?v=iN0jFN8NS3Y

    http://www.buildagyrocopter.com/

EAA info:

https://www.eaa.org/~/media/files/eaa/aviationinterests/ultralights/fixed_wing_training.pdf

The United States Ultralight Association:

 http://usua.org/

Closest current 2-place fixed wing ultralight instruction site:

 https://heavenboundaviation.com/flight-instruction/

Beginners Guide to Ultralight Flying (1994!) :

       Note the Quicksilver Sprint commentary at 1:03:33 and flight demonstration at 1:13:15

https://www.youtube.com/watch?v=ZAIV5qBv0EY

       An updated version by same author...  

https://www.youtube.com/playlist?list=PLw-1AzkBKwvPI_oKgrJ96S3zjgemcipI8

Ultralight and Light Sport magazine:

http://ultralightflyer.com/