Each aircraft’s maintenance manual is has the most recent official weight and balance information for that aircraft. The following links provide a copy of the current information as of 11/21/2015.
N253BA Weight and Balance
N2615H Weight and Balance
N3616Q Weight and Balance
N36135 Weight and Balance
Below is a link to a spreadsheet that incorporates the detailed information from the above files that you may use as an aid in calculating the weight and balance situation for your flight.
USAGliderWeightBalance08012014 Original and Protected