WACO AIRCRAFT COMPANY
MODELS: Waco UOC, 5 PCLB
T.C. NUMBER: ATC 568
Engine Continental R-670A or R-670B
Placard limits Maximum, except take-off
(R-670A) -- in.Hg., 2000 rpm (210 hp)
Take-off (one minute)
-- in.Hg., 2000 rpm (210 hp)
(R-670B) Maximum, except take-off
-- in.Hg., 2000 rpm (225 hp)
Take-off (one minute)
-- in.Hg., 2000 rpm (225 hp)
Placard speeds Level flight or climb - 158 mph Ind.
Glide or dive - 214 mph Ind.
Flaps extended - 112 mph Ind.
Fuel capacity 50 gallons (two tanks - one in each upper wing at
25 gallons
Oil capacity 4 gallons
No. passengers 4 maximum (see NOTE 3)
Baggage 100 lbs. (compartment aft of cabin) (see NOTE 3)
Standard weight 3100 lbs. (maximum 3350 lbs.) (See NOTE 1)
C.G. limits (-19.7) and (-7.1)
Specification basis Approved Type Certificate No. 568
Serial numbers 3951 and up manufactured prior to 9/30/39 eligible.
Approval expired as of that date.
EQUIPMENT:
(Datum is lower wing leading edge) (* Denotes net increase)
Class I:
101. Engine ring cowl
102. Battery and box (under rear seat) 40 lbs.
103. Starter (direct electric) 21 lbs.
104. Generator 12 lbs.
105. 6.50-10 wheels with 7.50-10 4-ply
tires (see NOTE 1)
106. 10.5 inch streamline tail wheel
107. Throw-over type control column
108. Upper wing flaps - electrically or
vacuum operated
109. Propeller - wood 46 lbs.
Class II:
201. Miscellaneous items as noted in
approved weight and balance report.
Class III:
301. Extra fuel capacity
(a) 70 gallons (two tanks at 35 gallons
each) and 5 gallon oil capacity 10 lbs.*
(b) 95 gallons (two tanks at 47-1/2
gallons each) and 6-1/4 gallon
oil capacity 18 lbs.*
302. Landing lights 11 lbs.*
303. Flares (three 1-1/2 minute electric) 17 lbs.*
304. Leather upholstering 7 lbs.*
305. Litter installation 14 lbs.*
306. Radio equipment (installed between
firewall and under rear seat) and
engine shielding 45 lbs.
307. Special paint
308. Miscellaneous extra instruments
309. Propellers
(a) Fixed metal (Curtiss 55501) 51 lbs.
(b) Adjustable metal 78 lbs.
(c) Controllable metal (Hamilton
Standard 2B20 hub, 6109 or 6135
series blades) 105 lbs.
(d) Eclipse automatic metal 125 lbs.
310. "Y" type control column 4 lbs.*
311. Aileron tab installation No change in weight
312. Large elevators (Drawing No. 32305) No change in weight
313. Heater and ventilator
314. Wheel streamlines 24 lbs.*
315. Extra door and wing walk 16 lbs.*
316. 8.50-10 4-ply tires (See NOTE 1) 8 lbs.*
317. Ski type landing gear (Waco Drawing
20245) No change in weight
NOTE 1.
(a) Maximum standard weight with 6.50-10 wheels and 7.50-10 4-ply tires
is 3100 lbs. Maximum standard weigh with 6.50-10 wheels and 8.50-10
4-ply tires is 3350 lbs. (Wheels must be placarded for tires as noted.)
(b) Maximum standard weight with wood or adjustable metal propeller is
3200 lbs. Maximum standard weight with controllable or automatic
metal propeller is 3350 lbs.
NOTE 2. Eligible for export as follows, subject to inspection for equipment
specified in Chapter XII of Inspection Handbook (1/10/39):
(a) Canada
- Landplane
- Skiplane - not eligible. However, structure complies with Canadian
requirements for ski installation when Item 317 is installed.
(b) All other countries except Great Britain and Australia.
NOTE 3. Five-place airplanes must have:
(a) Additional safety belt installed on rear seat.
(b) Baggage compartment placarded as follows unless actual weight and
balance shows a lesser restriction necessary:
"Maximum allowable 100 lbs.
Maximum with 3 passengers on rear seat 0 lbs."