Whelen Parmetheus™ Plus LED Replacement 28V Taxi Light - PAR 36 - P36P2T

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Part# 11-12979
MFR Model# 01-0771833-25


FAA-PMA Approved
Parmetheus PAR36 LED lights are a drop-in replacement for outdated Halogen lamps. PMA Approved, lightweight, low-current and moisture resistant, they provide stable light output for thousands of operating hours. These LED lights are 40% brighter output than the original Parmetheus Series assemblies.

LED lighting is the ideal technology for aviation applications. Whelen LED lights are time and field-tested for reliability and long-life performance under the tough conditions required by Fire, Emergency, DOT and Law Enforcement professionals around the world.

California Prop 65 Warning Symbol

WARNING: This product may expose you to chemicals including Methylene Chloride, which is / are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to


  • Direct replacement for outdated PAR36 Halogen and HID lamps.
  • First commercially available PAR36 LED for Aviation applications.
  • 10,000 hour operating life.
  • Available in Landing and Taxi versions.
  • Convenient “Drop In” design for ease of installation: Power wiring attaches to brass screw terminals; Weight is virtually identical to previous PAR36 lamps; Assembly design includes clocking notch.
  • Polycarbonate, replaceable, hard-coated outer lens.
  • Metal, heat dissipating coated housing.
  • Whelen TIR™ (Total Internal Reflector) technology rivals strobe in intensity and effectiveness.
  • Proudly designed and manufactured in the USA.
  • Five year warranty.


  • Model: P36P2T
  • Type: Taxi (Spreader Optic, 40 degree)
  • Amps: .6
  • Volts: 28 VDC
  • Size: 4.38" Round x 1.75 Face to Screw Terminal
  • Accessories
  • Frequently Purchased With
  • Customers Also Viewed


Phil B Verified Purchase


October 7, 2021

A fine product. Easily installed in Cessna 185 lower cowling with no modifications. Very bright. Well see for how long. I run lights continuously for recognition purposes.

Roger K
March 18, 2021

Great illumination compared to the old taxi light, went it my Navajo easily enough. So far, so good!

Peter S
December 14, 2020


October 24, 2019

Installation was easy but needed a small modification to the retaining light bracket. Being a plastic lens I hope it doesn’t deteriorate.

Miguel A
August 8, 2019

Arrived quickly and was easy to install. Just remember to match polarity and it will work as advertised.

Bill H
October 30, 2017


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: I am looking to buy the Whelen Parmetheus Plus LED Taxi light, PAR 36. Whelen tells me that I need their part number 01-0771833-25. Is this the one you carry? If so, what is your item number?

Yes. Whelen part # 01-0771833-25 is the same as our part number 11-12979 which is listed on this page to order. You can keyword search 11-12979 and it will bring you to the correct ordering page.

Q: What is the warranty on these WHelen Parmetheus LED lights?

This has a 3 year manufacturer's warranty.

Q: Is P/N: 11-12979, the same as P/N: PLED2T? If so can you send me docs to support this?

In the 'Documents' tab, please Product Brochure and Replacement List PDF for xref of PLED2T to P36P2T which is our part # 11-12979.

Q: Does this replace Bulb # 4587 King Air C90B?

Yes, this PAR 36 28V lamp will replace the GE4587.

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