# TCDS ATC 528: The Waco Aircraft Company

- Type: Type certificate data sheet
- Status: Current
- Holder: The Waco Aircraft Company
- Revision: 0
- Product: Aircraft, Small Airplane
- Registered aircraft: 11, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/4d/c6/4dc66ad9e19640ca42da5700c1f2679904d0f667e56df44f61dbf548321e6b33
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8EFB9C87AD2269FF8525673F004EE5C3.0001
- Page: https://openairdocs.org/tcds/ATC%20528

## Models (6)

As the data sheet lists them.

- VKC
- VKC-S
- UKC
- UKC-S
- UKS-6
- VKS-6

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
MODELS: Waco URC, UKC-S, UKS-6, VKC, VKC-S, VKS-6
I.C. NUMBER ATC 528
I - SPECIFICATIONS PERTINENT TO ALL MODELS
Fuel  50 gallons (two 25 gallon tanks in upper wings)
Oil  4 gallons
No. passengers  3 or 4 (See NOTE 3)
Baggage  Landplane 100 lts. (including tools 14 1bs.)

(See NOTE 3)  Seaplane  109 1bs. (including anchor, rope and tools
carried under passenger seats:
35  1bs. with P-3300 floats and
Standard weight  Landplane 2850 ibs. (Serials 3838 to e 151E 4):  25 1bs.  with 38-3430 floats)
3000 1bs. (Serials 3856 and up)
3250 1bs.  (See NOTE 4)
Seaplane 3250 1ts.
C.G. limits  Landplane (-14.4) and (-2.4)
Seaplane  (-12.7)  and (-3.7)
Datum  Lower wing leading edge
Ieveling means  Lower surface upper wing at strut points
Serial numbers  3638 and up manufactured to 9/30/39 eligible.
Approval  expired as of that date.
EQUIPMENT:
(* Means net increase)
Class I:
Iandplane:
101.  Engine ring  cowi  23 lbs.
102.  Starter  (Heywood)
103.  Heater
104.  Battery  10 1bs.
105.  8 inch streamline tail wheel
106. 6.50-10 wheels (Autofan) with
7.50-10 tires (wheels must be
placarded for these tires)
07.  wing root fairing
108.  Propeller - wood  42 lbs.
Seaplane:  (Items 101 to 104 and 107 PLUS)
151.  Edo P-3300 or 38-3430 floats with
water rudders
152. Seaplane type fins (upper per Drawing
19261 and  fin underneath fuselage per
Drawing 19262) and rudder per Drawing
19484
10 1bs.
Propeller - adjustable metal
Class II:
200.  Miscellaneous items as noted in
approved weight  and balance report
201. Miscellaneous radio equipment  (in
excess of Item 316)
202. Ambulance equipment (litter)  12 1bs.
class III:
301.  Landing lights (Grimes retractable)  1 1bs
302.  Wheel  streamlines  24 1rs
303.  Propeller
(a)  Adjustable metal  29 to 37 1bs.* (-79)
(b)  Fixed metal  10 1bs.*  (-79)
304. Flares
(a)  Three 1-1/2 minute  (+70)
(b)  Five 1 minute  3 Its  (+70)
305.  Fuel tank installations
(a)  70 gallon capacity (one 35 gallon
tank in each upper wing)  18 lbs.*
(D)  100 gallon capacity (landplane
only)  (one 35  gallon tank  in each
upper wing and one 15 gallon tank
in each lower wing)  53 lbs.*
306.  5 or 6-1/2 gallon oil  tank  No change in weight
307.  Shielding  11 1bs.
308.  Air brakes (flaps)  10 1bs.
309.  Miscellaneous extra instruments
310.  Engine crankcase cooling disc
(mounted on forward part of
engine crankcase)  3 lbs.
311. Paint
(a)  Black ard vermillion (over
gurmetal grey,  alumirum or blue)  30 1bs. *
(b)  White and French grey (over  gun-
metal grey.  aluminum or blue)  45 1ts. *
312. 7.50-10 cactus proof tubes  10 1bs.
313.  Tail wheel lock
314.  Extra door and wing walk  16 1bs.
315.  "y" type control column  5 1bs. *
316.  Radio  (30 1bs. provided C.G. of instal-

lation is betweer. rear seat ard
instrument board)
NOTE 1.  specified in Chapter XII of  Eligible for export as follows,  Inspection Handbook / ox equipment
- Skiplane - not eligible.  However, structure complies with Canadian
requirements for ski installation when special landing gear per waco
- seaplane - serial numbers 4265 and up. Maximum standard weight  Drawings 20496 and 20497 is installed.
- Amphibian - not eligible.
Britain provided wing spar root fittings are reinforced, upper
nd lower wing rear spar reinforcement extended and the rear interplane
struts increased in size in accordance with approved technical data
(manufacturer's affidavit required).
All other countries except Australia.
All airplanes eligible as amphitian type provided weight ard balarce
including list of equipment included in certificated weight empty,
and loading instructions when necessary, is submitted for each aircraft
with original inspector's report and each subsequent report covering changes
in such equipment.
Standard weight  3300 1bs.
C.G. limits  (-9.0) and (-4.5)
Class I equipmene fins (upper per Drawing 19261 and fin underneath fuselege  Seaplane type
per Drawing 19262) and rudder per Drawing  equipment included in weight and kalance report: Edo #9-3600 floats; other
NOTE 3.  Five-place airplanes must have:
Additional safety belt installed on rear passenger seat.
Baggage capacity reduced to 75 lbs. unless actual weight and balar.ce
shows a lesser restriction necessary.
NOTE 4.  Serial numbers 3856 and up eligible at standard weight of 3250 lts.
with the following:
Landing gear per Waco Drawing 20497 and structural changes outlined in
pages 8 and 9 of Waco Report  (These changes incorporated at
factory on serial numbers 4268 and up.)
Wing spoilers Of
vertical tail surfaces (rudder height
58-9/16 inches.)
NOTE 5.  Yearly models:
1934  UKC or VKC
1935  URC-S or VKC-S
UKS-6 or VKS-6
In the case of the 1936 designation:
First letter shows engine
Second letter shows wing
Third letter shows type
Number indicates year.
II - MODEIS URC, UKC-S, UKS-6, 4 or 5 PCL-S-AmB
Continental R-670A (R-670, C, E or G)
Placard limits  Max in. Her, 20 taem 12  2000 pm (210 hp)
-- in. Hg., 2000 rpm (210 hp)
III - MODELS VKC, VKC-S, VKS-6, 4 or 5 PCI-S-AmB
Engine  Continental R-670B (R-670D, F or H)
Flacard limits  Maximum, except  take-off
-- in. Hg..  2000 rpm (225 hp)
Take-off  (one minute)
in.Hg., 2000 rpm (225 hp)
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Waco UKC](https://openairdocs.org/model/waco-ukc): 5 aircraft (registry code 9600808)
- [Waco UKC-S](https://openairdocs.org/model/waco-ukc-s): 4 aircraft (registry code 9600810)
- [Waco UKS-6](https://openairdocs.org/model/waco-uks-6): 1 aircraft (registry code 9600820)
- [Waco VKS-6](https://openairdocs.org/model/waco-vks-6): 1 aircraft (registry code 9600822)
- [Waco VKC](https://openairdocs.org/model/waco-vkc): 0 aircraft (registry code 9600812)
- [Waco VKCS](https://openairdocs.org/model/waco-vkcs): 0 aircraft (registry code 9600814)

## STCs approved under this data sheet (5)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less.. Airwolf Filter Corporation
- [STC SA02022SE](https://openairdocs.org/stc/SA02022SE): Install a Continental W670-23 engine. Olde Thyme Aviation
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.. M-20 Oil Separators LLC
- [STC SA01661SE](https://openairdocs.org/stc/SA01661SE): Install a Continental W670-23 engine. Olde Thyme Aviation

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