WACO AIRCRAFT COMPANY
MODELS: Waco ZGC-7 (Army UC-72E), 5 PCLB
T.C. NUMBER: ATC 627
Engine Jacobs L-5, L-5M (magneto ignition) or L-5MB (magneto
and battery ignition)
Placard limits For all operations, 2000 rpm (285 hp)
Propeller Maximum permissible) diameter 103 inches (for clearance)
Placard speeds Level flight or climb - 158 mph True Ind.
Glide or dive - 214 mph True Ind.
Flaps extended - 100 mph True Ind.
Fuel capacity 70 gallons (two tanks, one in each wing at 35 gallons)
(-14)
Oil capacity 5 gallons (-50)
No. passengers 4 (front (-13), rear (+22))
Baggage Passenger type - 100 lbs. (+52)
Cargo type - 800 lbs. (See Item 203)
Standard weight 3500 lbs. (Serial numbers 4550 thru 4559)
3800 lbs. (Serial numbers 4560 and up. Serial
numbers 4550 thru 4559 eligible upon receipt
of manufacturer's affidavit of conformity.)
C.G. limits (-18.9) and (-6.0)
Datum Lower wing leading edge
Leveling means Lower surface upper wing at strut points
Specification basis Approved Type Certificate No. 627
Serial numbers 4550 and up manufactured prior to 9/30/39 and all AAF
numbers eligible. Use manufacturer's number when
available. Approval expired as of 9/30/39.
EQUIPMENT:
(* Means net increase)
Class I:
101. Engine ring cowl 29 lbs.
102. Landing lights (Grimes retractable) 11 lbs.
103. Starter (direct-electric) 20 lbs.
104. Battery (Reading ARL-11) 35 lbs. (-59)
105. Heater and ventilator
106. Wheel cuffs
107. 7.50-10 wheels (Hayes 750M hydraulic)
with 7.50-10 tubes and 8.50-10 tires)
(Wheels must be placarded for these
tires.)
108. 10.5 inch streamline tail wheel
109. Throw-over type control column
110. Generator (Eclipse LV-180) 18 lbs.
111. Standard paint (gunmetal gray)
112. Oil cooler (Drawing 20965)
113 Propeller - fixed pitch metal
(Curtiss 55501) 55 lbs. (-92)
Class II:
200. Miscellaneous items as noted in
approved weight and balance report.
201. Air Corps type litter 25 lbs. (+72)
202. Parachute seats - rear 41 lbs.* (+27)
203. Cargo type with cargo compartment
and large baggage door (See NOTE 2) 36 lbs.*
Class III:
301. (a) 95 gallon fuel capacity (two tanks
at 47-1/2 gallons each) 18 lbs.* (-14)
(b) Additional 25 gallon fuel tank
installed under rear seat (including
gage and wobble pump) (eligible as
4-place type only) 23 lbs. (+9)
302. 6 or 7-1/2 gallon oil capacity (-50)
303. Wheel streamlines 22 lbs. (-27)
304. (a) Leather upholstery 12 lbs. (0)
(b) Leather seats 5 lbs. (0)
305. Engine shielding 11 lbs. (-68)
306. Radio equipment
(a) 94 lbs. provided C.G. of instal-
lation is between (-19) and (+41)
or
(b) 56 lbs. between (-19) and (+52) and
38 lbs. between (-19) and (+25)
307. Special paint (+17)
(a) Aluminum No weight change
(b) Blue 7 lbs.*
(c) Black 36 lbs.*
(d) Vermillion 40 lbs.*
(e) White 48 lbs.*
(f) French grey 51 lbs.*
308. Cactus-proof tubes 12 lbs.* (-27)
309. Miscellaneous extra instruments 25 lbs. (-43)
310. Pressure fire extinguisher
(a) 15 lbs. (-45) or,
(b) 19 lbs. (+7) (tank under rear seat)
311. Tail wheel lock Neglect weight increase
312. Flares (three 1-1/2 minute, electric) 17 lbs. (+78)
313 . Parachute seats - front
(Waco-Switlik) 30 lbs.* (+13)
314. Extra door and wing walk 16 lbs.* (+19)
315. "Y" type control column 4 lbs.* (-33)
316. Propeller
(a) Wood (fixed pitch) Net decrease 9 lbs. (-92)
(b) Hamilton Standard hut 2B20, blades
6135A-9 or 6135A-10. Diameter
8'3-1/8" maximum, 8'7/8" minimum. 50 lbs.* (-92)
317. Large generator (Eclipse D-2) 26 lbs. (-55)
318. Large starter (-55)
319. Large Battery (Reading AR-9) 15 lbs.* (-59)
320. Vacuum pump 4 lbs. (-53)
321. Precision litter (carried in baggage
compartment as baggage) 25 lbs.
322. Skis Use actual Weight change
(a) Grab and Smirch or Wien GS-1
NOTE 1. Eligible for export as follows, subject to inspection for equipment
specified in Chapter XII of Inspection Handbook (9/30/39):
(a) Canada
- Landplane
- Skiplane - not eligible. However, structure complies with Canadian
requirements for ski installation. Maximum ski height 14-1/2 inches,
maximum tread 97-1/2 inches.
(b) All other countries.
NOTE 2. Weight and balance report including list of equipment included in
certificated weight empty, and loading instructions when necessary, must
be submitted for each cargo type aircraft with original inspector's report
and each subsequent report covering changes in Class I or Class II equipment.