WACO AIRCRAFT COMPANY
MODELS: Waco ARE, HRE (Army UC-72C), SRE (Army UC-72)
T.C. NUMBER: 714
I - MODEL ARE 5 PCLB (Approved 2/1/40)
Engine Jacobs L-6MB
Fuel 80 minimum octane aviation gasoline
Engine limits Maximum, except take-off
(Sea level)
24.5 in.Hg., 2100 rpm (300 hp)
(Straight line manifold pressure variation with
altitude to 3700 ft.)
23.5 in.Hg., 2100 rpm (300 hp)
Take-off (one minute)
26 in.Hg., 2200 rpm (330 hp)
Airspeed limits Level flight or climb - 200 mph
(T.I.A.S.) Glide or dive - 270 mph
Flaps extended - 108 mph
Propeller limits Maximum permissible diameter 100 inches
C.G. range (-17.6) to (-7.84)
Maximum baggage 100 lbs. (+52) (See NOTE 2)
Fuel capacity 125 gallons (62-1/2 gallon tank in each upper
wing (-14) (See Item 208)
Oil Capacity 6-1/4 gallons (-56) (See Item 208)
Control surface
movements Not Available
Serial numbers eligible 5076 and up per NOTE A
Required equipment Items 101, 102, (a), 103, 104, 105, 106, 107, 108,
109, 110(a), 111, 112
II - MODEL SRE (Army UC-72), 5 PCLB (Approved 4/6/40)
Engine P & W Wasp Jr. Sb with one 4-1/2 N and one 9 N
damper (See also Item 212)
Fuel 80 minimum octane aviation gasoline for maximum,
except take-off and take-off at 400 hp;
87 minimum octane aviation gasoline for take-off
at 450 hp
Engine limits Maximum, except take-off
(See also Item 212) (Sea level)
34.5 in.Hg., 2200 rpm (400 hp)
(Straight line manifold pressure variation with
altitude to 5000 ft.)
33.6 in.Hg., 2200 rpm (400 hp)
Take-of (one minute)
34.5 in.Hg., 2200 rpm (400 hp)
36.5 in.Hg., 2300 rpm (450 hp)
Airspeed limits Level flight or climb - 270 mph
(T.I.A.S.) Glide or dive - 270 mph
Flaps extended - 108 mph
Propeller limits Maximum permissible diameter 108 inches
C.G. range (-17.6) to (-9.56)
Maximum weight 4250 lbs.
No. seats 5 (one at (-13), three at (+22)) (pilot at (-13))
Maximum baggage 100 lbs. (+52) (See NOTE 2)
Fuel capacity 125 gallons (62-1/2 gallon tank in each upper wing)
(-14) (See Item 208)
Oil capacity 6-1/4 gallons (-56) (See Item 208)
Control surface
movements Not available
Serial numbers 5076 and up per NOTE A and all AAF numbers
Required equipment Items 101, 102(b), 103, 104, 105, 106, 107, 108,
109, 110(b), 111, 112
III - MODEL HRE (Army UC-72C), 5 PCIB (Approved 11/1/40)
Engine Lycoming R-680-E3
Fuel 87 minimum octane aviation gasoline
Engine limits Maximum except take-off, 2200 rpm (300 hp)
Take-off (one minute), 2300 rpm (300 hp)
Airspeed limits Level flight or climb - 200 mph
(T.I.A.S.) Glide or dive - 257 mph
Flaps extended - 108 mph
C.G. range (-17.6) to (-8.64)
Maximum weight 4051 lbs.
No. seats 5 (one at (-13), three at (+22)) (pilot at (-13))
Maximum baggage 100 lbs. (+52) (See NOTE 2)
Fuel capacity 125 gallons (62-1/2 gallon tank in each upper wing)
(-14) (See Item 208)
Oil capacity 6-1/4 gallons (-56) (See Item 208)
Control surface
Movement Not available
Serial numbers
eligible 5097 and up per NOTE A and all AAF numbers
Required equipment Items 101, 102(c), 103, 104, 105, 106, 107, 108,
109, 111, 112, 113 and 114
SPECIFICATIONS PERTINENT TO ALL MODELS
Datum Leading edge of lower wing
Leveling means Lower surface of left upper wing
Certification basis Type Certificate No. 714 (CAR 4a)
Production basis None (See NOTE A)
Export eligibility Eligible for export as follows, subject to
provisions of MOP 2-4:
(a) Canada
- Landplane - eligible
- Skiplane - not eligible.
(b) All other countries except New Zealand.
EQUIPMENT:
Propellers and Propeller Accessories
ARE SRE HRE
102. Propeller
(a) Controllable metal
(Hamilton Standard
2B20 hub, 6135A-9
or 6135A-10 blades.
Diameter 8'3-1/8"
maximum, 8'7/8"
minimum, low pitch
setting 13 degrees) 105 lbs. (-92) --- ___
(b) Constant speed
metal (Hamilton
Standard 2D30 hub,
6167A-12, 6167A-
13, 6101A-18 or
6101A-19 blades.
Diameter 8'6-1/8"
maximum, 8'3-7/8"
minimum, low pitch
setting 10 degrees) --- 150 lbs. (-89) ---
(c) Controllable metal
(Lycoming-Smith
P220 propeller with
S0200806 or
S0220806 blades,
low pitch setting
10 degrees) --- --- 124 lbs. (-92)
217. Propeller - fixed
pitch metal (Curtiss
55501) (static rpm
at maximum permis-
sible throttle
setting - not more
than 1910; not less
than 1660.
Diameter - not more
than 99 inches, not
less than 96 inches) -50 lbs. (-92) --- ---
224.
(a) Constant speed
propeller governor
and governor
control (Drawing
47-76). Pitch
range 12 degrees to
27 degrees. For
installation with
item 102(a). 7 lbs. (-61) --- ---
(b) Constant speed
propeller governor
and governor
control (Drawing
47075). Pitch
range 10 degrees
to 23 degrees.
For installation
with item 102(b). --- 7 lbs. (-58) ---
Engines and Engine Accessories - Fuel and Oil System
ARE SRE HRE
101. Engine cowl (NACA) 35 lbs. (-77) 32 lbs. (-70) 35 lbs. (-70)
103. Starter (Eclipse
E-80) 20 lbs. (-55) 20 lbs. (-55) 20 lbs. (-57)
110. Oil radiator
(a) One (Winchester
5 inches) 5 lbs. (-71) --- ---
(b) Two (Winchester
4 inches) --- 8 lbs. (-74) ---
205. Larger starter *10 lbs. (-58) *10 lbs. (-60) *10 lbs. (-59)
208. Tanks
(a) Auxiliary 38 gallon
fuel tank --- 35 lbs. (+52) ---
(b) 8-1/2 gallon Oil
tank --- 8 lbs. (-56) ---
(c) 58-1/2 gallon
aluminum alloy
replacing 62-1/2
gallon Fairprene
wing tanks (Aero.
Services, INC.
Drawings numbers
100 and 101) +20 lbs. (-14) +20 lbs. (-14) +20 lbs. (-14)
211. Vacuum pump +4 lbs. (-53) +4 lbs. (-43) +4 lbs. (-63)
212. Engine (must have
one 4-1/2N and one --- Use actual weight ---
9 N damper) increase
(a) P&W Wasps Jr. SB-2
(limits same as SB)
(b) P&W Wasps Jr. SB-3
(limits same as SB)
(c) P&W Wasps Jr. T1B2
Limits -
Maximum, except take-off
(Sea level) 35 in.Hg., 2200 rpm (400 hp)
(Straight line manifold pressure
variation with altitude to 3800 ft.)
34 in.Hg., 2200 rpm (400 hp)
Take-Off (One minute)
35 in.Hg., 2200 rpm (400 hp)
37.5 in.Hg., 2300 rpm (450 hp)
(d) P&W Wasps Jr. T1B3
(limits same as
T1B2, Item 212(c)
above)
(e) Military R-985-AN-4
(limits same as SB)
(f) Military R-985-AN-6 or -AN-6B
(limits same as SB)
(g) Military R-985-AN-
12 or -AN-12B
(limits same as SB)
(h) Military R-985-AN-
14B (limits same
as SB)
(i) Military R-985-25
(limits same as
T1B2, item 212(c)
above)
(j) Military R-985-AN-1
or -AN-3 (limits
same as T1B2, Item
212(c) above
223. Interconnected
throttle-mixture
control (Drawing
47073) --- No weight change ---
Landing Gear and Floats
ARE SRE HRE
106. Wheel cuffs 4 lbs. (-33) 4 lbs. (-33) 4 lbs. (-33)
107. 7.50-10 wheels
(Goodyear) with
brakes and 6-ply
tires (wheels must
be placarded for
these tires) 63 lbs. (-33) 63 lbs. (-33) 63 lbs. (-33)
108. 10x3 heavy duty tail
wheel and 4-ply tire 5 lbs. (+196) 5 lbs. (+196) 5 lbs. (+196)
210. Cactus proof inner
tubes +12 lbs. (-33) +12 lbs. (-33) +12 lbs. (-33)
216. Wheel streamlines 22 lbs. (-33) 22 lbs. (-33) 19 lbs. (-33)
222. Steerable tail wheel
(Drawing 48811) No weight change No weight change No weight change
Electrical Equipment
ARE SRE HRE
104. Generator (15 amp.) 21 lbs. (-55) 21 lbs. (-60) 21 lbs. (-59)
105. Battery and box
(Exide 6-TS-13-1) 42 lbs. (+65) 42 lbs. (+65 or +108) 42 lbs. (+65)
112. Shielding 11 lbs. (-68) 11 lbs. (-68) 11 lbs. (-68)
113 or 220. Bonding 6 lbs. (-3) 6 lbs. (-3) 6 lbs. (-3)
114 or 219. Landing
lights (Grimes
retractable) 11 lbs. (-23) 11 lbs. (-23) 11 lbs. (-23)
204. Larger generator +10 lbs. (-58) +10 lbs. (-55) +10 lbs. (-57)
225. Battery and box
(Regading (R-33-L)) 32 lbs. (-63) --- 32 lbs. (-63)
Interior Equipment
ARE SRE HRE
109. Control column -
throw over type 11 lbs. (-33) 11 lbs. (-33) 11 lbs. (-33)
111. Cabin heater and
ventilating system 8 lbs. 6 lbs. 8 lbs.
201. Fire extinguishers
(a) Pressure 15 lbs. (-53) 8 lbs. (-53) 15 lbs. (-53)
(b) Pressure (Lux) 20 lbs. (+22) 20 lbs. (+22) 20 lbs. (+22)
202. Parachute seats
(a) Rear +41 lbs. (+27) +41 lbs. (+27) +41 lbs. (+27)
(b) Front +30 lbs. (-13) +30 lbs. (-13) +30 lbs. (-13)
207.
(a) Cargo type compart-
ment drawing
49073) (loading
instructions
required) 36 lbs. (+38) 36 lbs. (+38) 36 lbs. (+38)
(b) Large baggage door +16 lbs. (+52) +16 lbs. (+52) +16 lbs. (+52)
209. Control column
"Y" type +4 lbs. (-33) +4 lbs. (-33) +4 lbs. (-33)
214. Flares (three
1-1/2 minute) 17 lbs. (+78) 17 lbs. (+78) 17 lbs. (+78)
Miscellaneous (not listed above)
ARE SRE HRE
200. Extra door and wing
walk +16 lbs. (+19) +16 lbs. (+19) +16 lbs. (+19)
218. Quick release door 1 lb. (+19) 1 lb. (+19) 1 lb. (+19)
NOTE A. Each aircraft manufactured after 4/13/43 for civil use, must, prior
to original certification, satisfactorily pass:
(a) An inspection for workmanship, materials and conformity before any
covering, metal priming or final finish is applied. All woodwork
may be varnished.
(b) Final inspection of the completed aircraft.
(c) Check of flight characteristics.
NOTE 1. The following placards must be displayed in full view of the pilot:
"Use left wing tank before using right tank. Operate auxiliary fuel pump
while flying on left tank until auxiliary tank gage shows empty.
NOTE 2. Weight and balance report must be submitted for each aircraft with
original inspector's report and each subsequent report covering a change
in equipment. Loading instructions, when necessary, must be included in
the Aircraft Operations record and the baggage compartment must be placarded
accordingly.