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| DHC-II Beaver Supplemental Type
Certificates Original issue de Havilland
Beavers are marvelous flying machines. However, over the years we have designed
improvements to make these fine aircraft even better. Following are some of our most
popular STC's for Beavers.
| Propeller |
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| Three-Blade |
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Due to its shorter diameter, the
three-blade propeller is smoother, quieter and less subject to blade damage than a
two-blade propeller. There's also a weight saving of 56-61 pounds and a cost saving of up
to 50 percent at overhaul time.
Special Requirements/Considerations: For DHC-2 Mk I[BACK TO
TOP] |
| Battery
Relocation |
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Replacing the original battery with a
smaller one and relocating it from aft of the cabin to the firewall offers four
advantages:
- Empty weight is reduced by up to 72 pounds
- Center of gravity is moved forward
- Battery can be warmed along with the engine during winter
pre-heating
- Extra space is available for baggage
Special Requirements/Considerations: DHC-2 Mk I
[BACK
TO TOP] |
| Alternator
System |
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In this modification, we replace the
original, heavy generator with a lightweight 50-amp alternator that features solid-state
control units. The kit lowers the aircraft empty weight by up to 33 pounds and provides
battery charging at a lower RPM.
Special Requirements/Considerations: DHC-2 Mk I[BACK TO
TOP] |
| Baggage
Compartment |
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In conjunction with the battery
relocation, we can convert the original battery area into space for an additional 75
pounds of baggage. The old battery compartment door becomes a baggage door for inserting
smaller items from outside; larger bags are loaded within the cabin.
Special Requirements/Considerations: DHC-2 Mk I[BACK TO
TOP] |
| Gross
Weight Increase Kit |
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With this improvement, your gross weight
increases to 5370 pounds, a useful load increase of 270 pounds for a landplane and 280
pounds to a floatplane.
Special Requirements/Considerations: For DHC-2 Mk I with EDO 4930 floats and
wing tip fuel tanks.[BACK TO TOP] |
| Seat |
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| Three-Place Center |
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Most Beavers served in the military and
have just two individual seats in the center of the cabin. Our three-place center seat
allows full seating capacity as permitted by the original airplane certification. It can
be mounted to either a civilian or military floorboard and has a hinged back for easy
access to the rear. For convenience in accommodating cargo or a stretcher, you can remove
one half (either side) of the seats.
Special Requirements/Considerations: When one section of the seat is removed,
the remaining section will accommodate only one passenger.[BACK TO
TOP] |
| Windows |
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| Enlarged Rear |
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Our large, rectangular rear windows
replace the original porthole windows, greatly improving visibility for both passengers
and the pilot.
Special Requirements/Considerations: for DHC-2 Mk I and Mk III[BACK TO
TOP] |
| Windows |
PHOTO AVAILABLE |
| Bubble Cabin Door |
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Sightseeing zooms with installation of
"bubble" - type windows n the cabin doors because passengers can view surface
objects normally invisible through flat windows. Bubble windows also provide extra
shoulder room when three passengers sit abreast in the center seat.
Special Requirements/Considerations: Not for use on doors with slide opening
windows.[BACK TO TOP] |
| Fins |
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| Seaplane |
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| Ever bump the dock with a
ventral-mounted seaplane fin? To minimize that problem, we developed smaller fins mounted
higher on each outboard end of the horizontal stabilizer. The smaller overall surface of
the fins helps reduce the airplane's weathervaning tendency in a crosswind. [BACK TO
TOP] |
| Float Hatch |
PHOTO AVAILABLE |
Beaver pilots who want maximum baggage
capacity will be interested in our float-hatch kit, which provides access to a compartment
in one or both floats. Weight limit is a generous 100 pounds per float. The float
compartments are ideal for carrying fish or other cargo inappropriate for the cabin.
Special Requirements/Considerations: Approved for EDO 4580 and 4930 floats
(non-amphibian) only. [BACK TO TOP] |
| Water-Rudder |
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| Steering |
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Our water -rudder steering system for
the Beaver utilizes the modern tailwheel steering concept and results in superior control
and reliability. The old-fashioned steering stubs are eliminated.
Special Requirements/Considerations: For DHC-2 Mk I and Mk III[BACK TO
TOP] |
| Steps |
PHOTO AVAILABLE |
| Floatplane |
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The Kenmore "V"-bar step
system provides a flat surface on the ladder rungs to help prevent slipping while entering
or leaving the cabin or cockpit. The kit contains steps for both sides of the cabin and
cockpit, including an intermediate step for the pilot side. Construction materials
eliminate the rust problem common with the original ladder system.
Special Requirements/Considerations: For DHC-2 Mk I and Mk III[BACK TO
TOP] |
| Brakes |
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| Amphibian |
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In cooperations with Cleveland Wheels
and Brakes, we've developed an improved amphibian wheel and brake combination using
aluminum wheels with dual brake discs and dual brake assemblies. Even when wet, the brakes
stop the airplane quicker-without brake fade-than other systems.
Special Requirements/Considerations: For Beaver and Turbo Beaver amphibians
mounted on EDO 4580 or 4930 floats[BACK TO TOP] |
We've been customizing Beavers for several decades, so let us know
if you have a special need for your DHC-2. If it's possible, we'll find a way.
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