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ALPHABEAM® LED Lights for General Aviation
ALPHABEAM® LED Lights for helicopters - NEW
ALPHABEAM® II LED Lights for Commercial Aviation
ALPHABEAM® II LED Landing & Recognition

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ALPHABEAM® FAQs

Is the ALPHABEAM® FAA approved?
Can an owner/pilot install the ALPHABEAM®?
What type of documentation is required for installation of the ALPAHBEAM®?
Does it matter how I hook up the wires or what voltage my airplane or rotorcraft is?
What is the projected life of the ALPHABEAM®?
Can the ALPHABEAM® overheat during operation?
How many lumens are emitted in the beam?
How much current does the ALPHABEAM® draw?
Will the ALPHABEAM® work with Light Pulsing Systems?
What Environmental Testing has the ALPHABEAM® been subjected to?
Is the lens cover of the ALPHABEAM® impact resistant?

Is the ALPHABEAM® FAA approved?
Yes, it is approved under FAA-PMA for over 400 Part 23 model aircraft and several Part 27 and 29 rotorcraft. See the Teledyne website for the list of approved aircraft http://www.teledynelighting.com/pdf/PMA%20PQ4015NM%20Supplement%201%20for%202307055-1.pdf.

The part numbers currently approved for replacement are 4509, 4587, 4591, 4594, 4596, 4313.


Can an owner/pilot install the ALPHABEAM®?
Yes, it is a direct replacement to the existing PAR 36 incandescent lamp. Minor maintenance may be performed by the owner/pilot, and does not require a certified mechanic.


What type of documentation is required for installation of the ALPAHBEAM®?
Installation of the ALPHABEAM® requires only a logbook entry by the pilot/owner.


Does it matter how I hook up the wires or what voltage my airplane or rotorcraft is?
No, the input of the ALPHABEAM® is the same as an incandescent lamp. The ALPHABEAM® is not polarity sensitive. The wires may be hooked up to either terminal. The ALPHABEAM® operates on 12VDC up to 28VDC systems.


What is the projected life of the ALPHABEAM®?
The ALPHABEAM® has a projected life of greater than 5000 hours of continuous ON operation.


Can the ALPHABEAM® overheat during operation?
No, the ALPHABEAM® has built in thermal protection to reduce the current draw should overheating occur during operation. The ALPHABEAM® must be installed in the original receptacle of the aircraft. If a rubber gasket was used, it must be discarded in this application to allow heat transfer to the airframe structure. This will guarantee good heat transfer and maximum performance when the aircraft is on the ground in a stationary mode of operation.

The ALPHABEAM® LED Taxi / Landing light is equipped with a thermal fold-back feature in the circuitry, designed to prevent overheating and premature failure of the light. This feature engages only when the ALPHABEAM® is operating in an environment where sufficient heatsinking to dissipate the heat emitted from the back of the device is not available, such as use in a laboratory environment. Should the ALPHABEAM® reach a case temperature of 85°C without proper installation, the current to the LEDs is reduced to prevent overheating and possible premature failure. This reduction in current reduces the overall brightness of the LEDs during the overheating condition only. The brightness levels as indicated on the datasheet will resume to full brightness once the case reaches normal temperature.


How many lumens are emitted in the beam?
The ALPHABEAM® produces 2000 lumens within the output beam.


How much current does the ALPHABEAM® draw?
It draws 1.6 AMPS @ 28 VDC (as compared to 4.0 AMPS for the incandescent lamp @ 28 VDC) and 3.3 AMPS @ 14 VDC (as compared to 8 AMPS for the incandescent lamp @ 14 VDC).


Will the ALPHABEAM® work with Light Pulsing Systems?
Yes, the ALPHABEAM® works with some later model pulsing systems designed to work with off-the-shelf lamps. However Teledyne recommends checking with the manufacturer of the pulsing system to verify it will work with LED based lights prior to installation.


What Environmental Testing has the ALPHABEAM® been subjected to?
The ALPHABEAM® has been subjected to 27 tests outlined in RTCA DO-160E, the industry standard required environmental tests for Airborne Equipment installed in aircraft. Contact Teledyne for more information on specific tests performed and qualification data.


Is the lens cover of the ALPHABEAM® impact resistant?
Yes, it is made of a high quality, optical grade of Polycarbonate which reduces the risk of cracking induced by debris picked up from propeller wash.





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