WACO AIRCRAFT COMPANY
MODELS: Waco UBF, 3 POL-SB
T.C. NUMBER: ATC 473
Engine Continental R-670 210 hp
Fuel 40 gallons (two 20 gallon tanks in center section)
Oil 4 gallons
No. passengers 2
Baggage Landplane 65 lbs. (See NOTE 1)
Seaplane 77 lbs. (See NOTE 1)
Standard weight Landplane 2300 lbs.
Seaplane 2635 lbs.
Specification basis Approved Type Certificate No. 473
Serial numbers 3606 and up manufactured prior to 9/30/39 eligible.
Approval expired as of that date.
Equipment:
(* Means net increase)
Class I:
A. Landplane: Propeller - fixed pitch wood; engine ring cowl 12 lbs.;
battery 10 lbs.; starter (Heywood); 7.50-10 wheels; tail skid.
B. Seaplane: Propeller - Hamilton Standard adjustable metal; engine
ring cowl 12 lbs.; battery 10 lbs.; starter (Heywood), Edo M-2665 floats and
auxiliary fin.
Class II:
(Landplane and Seaplane): Battery 25 lbs.; (Seaplane): Extra 15 gallon
fuselage fuel tank 14 lbs.
Class III:
A. Landplane: Landing lights 17 lbs.; three ones-minute flares 9 lbs.;
wheel streamlines 20 lbs.; propeller - Hamilton Standard adjustable metal
25 lbs.*; extra 15 gallon fuselage fuel tank 14 lbs.; 10x3 or 8-inch stream-
line tail wheel, no change in weights.
B. Seaplane: None.
NOTE 1. Seaplane pay load may be increased 60 lbs. for three parachutes.
Seaplane baggage includes 20 lbs. for anchor and rope. Maximum capacities
of baggage compartments:
Front compartment: Landplane 15 lbs., Seaplane 14 lbs.
Rear compartment: Landplane 50 lbs., Seaplane 63 lbs.
NOTE 2. Serial numbers 3618 eligible as 1 POLB with the following:
Fuel 70 gallons (two 20 gallon center section tanks and
two 15 gallon fuselage tanks
No. passengers None
Baggage 140 lbs. (front compartment)
Standard weight 2300 lbs.
Equipment:
Engine ring cowl 12 lbs.; radio 18 lbs.; two "B" batteries and one "A"
(wet) battery 41 lbs.; three one-minute flares 8 lbs.; starter (Heywood);
heater 3 lbs.; Hamilton Standard adjustable metal propeller.