List of known 337 forms for the Republic Seabee
(Compiled by Jim Poel)
Below is a list of known "337" forms for the Republic Seabee. If you have any additional 337 forms that are not listed here, Jim Poel requests that you send them to him and we will list them here for all Seabee owners to take advantage of.
 
If you would like a copy of the modifications listed below, please contact Jim Poel at hjpoel@aol.com.
One important safety note: Jim Poel has the modification to add shoulder harnesses to the Seabee (Listed below). As you all know, Republic was not required to have shoulder harnesses back in 1947 so consequently Jim has taken it upon himself to modify the Seabee for them. We strongly recommend that you consider such a modification to your Seabee. They could easily save your life.

(Ed note: I have seen them personally and am very impressed with the simplicity and structural integrity of these shoulder harnesses. Steve M.) 


If you need a blank 337 form, you can download it here! (Microsoft Word format or Adobe® PDF)

If you need Adobe Acrobat reader (PDF), get it here!
Acrobat Reader

If you need a Microsoft Word viewer (DOC), get it here! Microsoft Word Reader


List of known 337 forms for the Republic Seabee
Item modified
Description
337 form holder
Battery Box
Enlarge and remove ballast weight.
Jim Poel
Engine Fan Spinner
Add-on to Franklin engine.
Jim Poel
Electric Fuel Pump
Franklin engine add. Remove left mechanical pump.
Jim Poel
Electric Hydraulic Pump
Add-on. Requires STC
Jim Poel
Electric Rudder Trim
Add-on.
Jim Poel
Lycoming Engine
GO-480 series. Requires STC.
Jim Poel
Heater
Gas (similar to Janitrol). Requires STC
Jim Poel
Landing Lights
Add-on.
Jim Poel
Oil Filter
Add-on.
Jim Poel
Oil Cooler
BT-13. Replaces original.
Jim Poel
Rotating Beacon
Add-on.
Jim Poel
Shoulder Harness
Front Seat. Easy installation. No holes in outer skin.
Jim Poel
Spill Plates
Wing Root and Tips.
Jim Poel
Spray Rails
Add-on. Wider than originals.
Jim Poel
Tail Wheel
Replace original with Scott®. Requires STC.
Jim Poel
Wingtip Extensions
Add-on. Increases wing span by 16" or more.
Jim Poel
Gear Positon Advisory System 
Add-on. Gear position is heard in headset or speaker.
STC required.
Lake and Air, Inc.

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Updated June 26, 2005