WACO AIRCRAFT COMPANY
MODELS: Waco DQC-6 and EQC-6
T.C. NUMBER: ATC 597
I - SPECIFICATIONS PERTINENT T0 ALL MODELS
Placard speeds Level flight or climb - 158 mph True Ind.
Glide or dive - 214 mph True Ind.
Flaps extended - 108 mph True Ind.
Fuel capacity 70 gallons (2 tanks, one in each wing at 35 gallons)
(-14)
Oil capacity 5 gallons (-50)
No. passengers 4, 3, or 2 (front (-13), rear (+22)) (See NOTE 2)
Baggage Landplane 100 lbs. (+52)
Seaplane 40 lbs. (+52)
C.G. limits Landplane (-22.4) and (-6.7)
Seaplane (-18.2) and (-7.3)
Datum Lower wing leading edge
Leveling means Lower surface upper wing at strut joints
Specification basis Approved Type Certificate No. 597
Serial numbers 4385 and up manufactured prior to 9/30/39 eligible.
Approval expired as of that date.
EQUIPMENT:
(* Means net increase)
Class I:
Landplane:
101. Engine ring cowl 22 lbs.
102. Landing lights (Grimes retractable) 11 lbs.
103. starter (direct electric) 21 lbs.
104. Battery 42 lbs. (+27)
105. Heater 2 lbs.
106. Wheel cuffs 4 lbs.
107. 6.50-10 wheels (7.50-10 tubes
together with 8.50-10 tires)
(wheels must be placarded for
these tubes and tires)
108. 10.5 inch streamline tail wheel
109. Throw-over type control column
110. Generator 12 lbs.
111. Standard paint (blue) 11 lbs.
112. Propeller - fixed metal -
Curtiss 55501 51 lbs. (-88)
Seaplane: (Items 101 to 105 and 109 to 112 PLUS)
151. Edo 38-3430 floats with water rudder 481 lbs. (-14)
152. Water rudder control 4 lbs.
153. Additional fin (under fuselage) 10 lbs. (+191)
Class II:
200. Miscellaneous items as noted in
approved weight and balance report
Class III:
Landplane:
301. (a) 95 gallon fuel capacity (2 tanks
at 47.5 gallons each) 18 lbs.* (-14)
(b) Additional 25 gallon fuel tank
installed under rear seat
(including gage and wobble pump)
(not eligible on 5-place type 23 lbs.
302. 6 or 7-1/2 gallon oil capacity (-50)
303. Wheel streamlines 18 lbs. (-27)
304. Leather- upholstery 27 lbs. (0)
305. Litter (See NOTE 2b) 14 lbs. (+72)
306. Engine shielding 5 lbs. (-63)
307. Radio equipment has been substantiated
so far as weight and balance are
concerned as follows:
(a) 82 lbs. provided CG of installation
is between (-18) and (+33)
(b) 72 lbs. provided CG of installation
is between (-18) and (+52)
Approved installations by manufacturer
are as follows:
(c) Lear radio compass 44 lbs. (+37)
(d) Transmitter (RCA AVR-3A) 38 lbs. (+25)
(e) Receiver (RCA AVR-7 series) 24 lbs. (+4)
(f) Lear receiver 30 lbs. (+4)
308. French gray paint 45 lbs. (+17)
309. Large generator (Eclipse D-2) 26 lbs. (-55)
310. Large starter 10 lbs. (-55)
311. Miscellaneous extra instruments 25 lbs. (-43)
312. Remote control fire extinguisher 15 lbs. (-45)
313. Tail wheel lock (neglect increase)
314. Flares - three 1-1/2 minute 17 lbs. (+78)
315. Rear parachute seat (See NOTE 2b) 40 lbs. (+27)
316. Extra door and wing walk 16 lbs. (+19)
317. "Y" type control column (crew is 2) 5 lbs. (-33)
318. Propeller (-88)
(With either of these installations on
Model EQC-6, the following placard
limits apply:
Maximum, except take-off
2200 rpm (320 hp)
Take-off (one minute)
2400 rpm (350 hp)
(a) Hamilton Standard hub, 2B20, blades
6109A-12 to 1609A-13 or 6135A-12 to
6135A-13. Diameter 8'1/8" maximum,
7'9-7/8" minimum (for Model EQC-6) 54 lbs.*
(b) Hamilton Standard adjustable metal 28 lbs.*
(c) Fixed metal Curtiss 55503 11 lbs.
(d) Hamilton Standard hub 2B20, blades
6109A-9 to 6109A-13 or 6135A-9 to
6135A-13. Diameter 8'3-1/8"
maximum, 7'9-7/8" minimum (for
Model DQC-6) 54 lbs.*
Seaplane: (Items 301(a), 302, 304, 306, 308, 309, 310, 311 (32 lbs.), 314
316, 317, 318, PLUS)
351. Radio receiver (W.E.) 26 lbs. (-45)
352. Edo 39-4000 floats with water rudder 44 lbs.*
NOTE 1. Eligible for export as follows subject to inspection for equipment
specified in Chapter XII of Inspection Handbook:
(a) Canada
- Landplane
- Skiplane - not eligible. However, structure complies with Canadian
requirements for ski installation when special axle per Waco Drawing
20243 is installed. Maximum standard weight as noted for landplane.
- Seaplane - maximum standard weight:
With Edo 38-3430 floats 3430 lbs.
With Edo 39-4000 floats 3800 lbs.
(b) All other countries except Australia and New Zealand.
NOTE 2. Five-place airplanes must have:
(a) Additional safety belt installed on rear passenger seat.
(b) When items 305 and 315 are both installed check should be made to
ascertain that approved CG limits are not exceeded.
II - MODEL DQC-6, 4 PCLB or 5 PCLB (See NOTE 2)
Engine Wright R-760E-1
Placard limits For all operations, 2100 rpm (285 hp)
Standard weight Landplane 3500 lbs.
III - MODEL EQC-6, 4 or 5 PCL-SB (See NOTE 2)
Engine Wright R-760E-2
Placard limits Maximum, except take-off
(See Item 318) 2100 rpm (300 hp)
Take-off (one minute)
2250 rpm (330 hp)
Standard weight Landplane:
3600 lbs. (Serials below 4700)
3650 lbs. (Serials 4700 and up. Serials below 4700
eligible upon receipt of manufacturer's affidavit
of conformity.
Seaplane:
3610 lbs. (with Edo 38-3430 floats)
3800 lbs. (Serials 4700 and up with Edo 39-4000
floats. Serials below 4700 with 39-4000
floats eligible when fuselage member
29 reinforced in accordance with Waco Drawing
SK-404.)
NOTE 3. Model EQC-6 must have the following placard installed in full view of
the pilot:
"ALWAYS USE BOTH RIGHT AND LEFT WING TANKS FOR TAKE-OFF AND FLIGHT AT
LOW ALTITUDES."