The closest year I could find on Jayco`s archive page was a 2003 Eagle 312 FKS, that`s as far back as the archives go. Here are the specs, almost 32':
FLOORPLAN 312 FKS
Unloaded Vehicle Weight (lbs.) 7125
Dry Hitch Weight (lbs.) 885
Gross Vehicle Weight Rating (lbs.) 9900
Cargo Carrying Capacity (lbs.) 2775
Exterior Length 31' 11"
Exterior Height 135"
Bedroom Interior Height 81"
Fresh Water Capacity (gals.) 54
Gray Wastewater Capacity (gals.) 80
Toilet/Black Wastewater Capacity (gals.) 45
Fresh Water Capacity Includes Water Heater