After looking at the prices of certified position lights for my RV-7 (about $200 a pair) I looked into the possibility of building my own using high-brightness LEDs. After doing a bit of research into the FAA requirements and then into the available high-brightness LEDs, (These are NOT ordinary LEDs.) I concluded it could be done for less than the cost of “store bought” position lights. I then made a computer model of the FAA candlepower distribution requirements and the light distribution of each LED. After a bit of tinkering, the model produced the proper layout for the array of LEDs needed to meet the FAA specifications.




Each kit contains all the parts you need (including the LEDs, regulators, and circuit boards) to build both a red and a green position light. Also included are instructions and solder.


There are three styles of boards.


The “RV Style”  long, thin, rectangular boards (4.5” x 1.43”) are specifically designed to fit in the sheared wingtips of Vans aircraft.  These are designed to fit in the inside corner of the sheared wingtip against the back surface so that you can mount Bill Von Dane’s landing lights in the wingtip as well. http://www.creativair.com/ The components are mounted toward the inboard edge so that you can shave away some of the center of the board if you need additional clearance for a slightly larger landing light.



Notice that the LEDs are mounted on the top and bottom of the board. This allows you to mount a strobe ahead of the board (on the outward-facing surface within the sheared tip) and not block any of the light.



recunlitsss reclitssss


   The square style of board is shown below:


RedHandS RedLitS


These compact square boards have the regulator section (optionally) wrapped around the back to give a minimum size of 2.25” x 1.6”.


The newest style is the “Combo Light” style.




            These are designed to integrate directly with CreativAir landing lights. They are the most compact and lightweight lighting system available. They can be shaped to fit the tinyest of sheared tips, even the LancAir IV (shown above). They can also be shaped to fit much larger sheared wingtips like the RV-7 (shown below.)




For wingtips larger than the RV-7 (like the RV-9 and RV-10) the green (or red) circuit board may not be quite large enough to cover the entire rear surface area of the sheared tip. For these wingtips, it is best to trim the board to leave a uniform edge border. 




$120 + $5 S&H for: LED Position Light Kit (All the parts for both a red and a green light.) Specify long or square boards.


RV Style $125 total

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Square Style $125 total

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Combo Style Position Light kit alone (no Landing Lights) $157 total

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Add $2 if you want a Soldering Practice Kit. (Recommended for those new to electronic assembly.) Add $2


Add $75 for each kit if you want me to assemble it for you.


RV Style Assembled $200 total

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Square Style Assembled $200 total

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Assembled  Combo Style Position Light (not trimmed to shape) alone (no Landing Light) Kit $232 total

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I ship on Saturday.


If you wish to pay by check or money order send to:


Bill Dube’

4680 Miller St

Wheat Ridge, CO 80033


There will be a delay of two weeks after I receive the check.


E-mail me at LED@KillaCycle.com if you have questions.


Additional Information


Each complete position light weighs just 24 grams! The pair of lights draw just 0.5 amps total.


Both types of boards are designed for the surface of the board to be facing forward in the direction of travel.


All the LEDs are carefully angled to give the required candlepower in each direction. The FAA requires that there be at least 40 candlepower directed straight ahead, tapering to 5 candlepower to the sides, and considerably less above and below the centerline. That is why most of the LEDs are directed straight forward and only a few are directed at large angles to the side, top, and bottom.


Being a typical engineer, I designed in a significant extra margin so the measured light output of the finished prototype exceeded the FAA minimums by at least 10% in all directions and exceeded the FAA minimums by as much as 50% in some directions.


The red LEDs produce more light per watt than the green LEDs. Thus, the red position light only draws about 0.2 amps. The green side draws about 0.3 amps. Typical incandescent position lights are 27 watts each and draw a little over 4 amps for the pair. Obviously the LED units are much, much more efficient. One of the big differences is that the LEDs produce only the exact wavelength needed while the incandescent lamps produce a wide spectrum that must be filtered down to just the color needed. Thus, most of the wattage is blocked and thrown away by the filter lens.


These boards have the current regulators that hold a steady current though each of the LEDs. This makes the light output steady regardless of fluctuations in the voltage supplied by the airplane. These position lights will work on any voltage between 10 and 30 VDC. (The CreativAir landing lights are available in 24 volt at an additional cost.)


There is quite a bit of redundancy built into these units. I took a “belt and suspenders” approach in the design. Instead of using a single voltage regulator for the whole light, I opted for multiple current regulators controlling small groups of the LEDs. In that way, only a few of the LEDs will go dark if a component fails. Quite a few components would have to fail to make the light go completely dark.


LEDs typically last 100,000 hours, so you won’t be changing any bulbs very soon, likely never.


If you want to read the assembly instructions for the LED Position Lights Kit, click->




If you want to see a square board installed on an F1 Rocket, take a look at Bob Gross’s installation at




Custom Layout


A lot of folks have been asking me about rearranging the layout of the LEDs to fit their specific aircraft. This is not as simple as using the stock board layout, but there is a great deal of flexibility if you need it and are willing to make a little extra effort. You don’t HAVE to mount the LEDs on the board.


The LEDs can be mounted almost anywhere as long as each one is pointing in the required direction (azimuth and elevation,) nothing blocks the view directly in front of them, and you don’t alter the lens on the tip of the LED.


I have done the hard part by selecting the correct LEDs, calculating the correct angles, designing the regulator board, and putting together the kit.


If you want to mount the LEDs yourself, the square board kit is the best option. This is because the regulator section is separated from the LED section. The board is set up for these two halves to be physically separated and electrically connected by an in-line header. You can replace the header with a ribbon cable, you can toss the LED portion of the board, and wire the LEDs to the ribbon cable, kind of like Christmas tree lights. Then you can mount them anywhere you like. Simply use the stock LED board as a guide to set the angle for each of the LEDs.


Since the LEDs have a typical lifespan of 100,000 hours, it is a safe bet that you will not have to replace them, ever. Thus, you can mount them somewhat permanently, unlike incandescent lamps. This opens a whole new world of mounting possibilities.


Contact me at LED@KillaCycle.com if you have questions or need help with a custom layout.