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Whelen Parmetheus DUO PAR 36 Landing & Taxing Light 01-0772131-00

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Part# 11-19261
MFR Model# 01-0772131-00


Whelen Aerospace Technologies is proud to announce the newest member of the Parmetheus™ product family, The Parmetheus™ DUO Par 36. The DUO is packed with feautures including landing, taxi, and built in wig wag. Keeping the tradition of industry leading performance and value, the new Par 36 DUO landing light is 2.5 times brighter than the Parmetheus™ Plus all while maintaining the same form, fit and functionality of a drop-in LED replacement for legacy landing lights. This product is available in PAR-36 size, in variable voltage 14-28 VDC.


California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • Max Current: Landing 3.50A @ 14V 1.55A @ 28V
  • Max Current: Taxi 4.15A @ 14V 1.80A @ 28V
  • Weight: 0.85 lbs.


GE Bulb # Parmetheus™ DUO Model # Parmetheus™ DUO Part # Voltage
4416 P36DUO 01-0772131-00 14V
4505 P36DUO 01-0772131-00 28V
4509 P36DUO 01-0772131-00 14V
4587 P36DUO 01-0772131-00 28V
4591 P36DUO 01-0772131-00 28V
4593 P36DUO 01-0772131-00 28V
4594 P36DUO 01-0772131-00 28V
4595 P36DUO 01-0772131-00 14V
4596 P36DUO 01-0772131-00 28V
4623 P36DUO 01-0772131-00 28V
4626 P36DUO 01-0772131-00 28V
4627 P36DUO 01-0772131-00 28V
Q4631 P36DUO 01-0772131-00 14V
Q4632 P36DUO 01-0772131-00 14V


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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: How many wires to feed this Duo Light, seems 3 wires are needed? What are the Candela numbers and watts for the landing mode?

This would require a minimum of 3 wires to operate. The minimum wire gauge would be 18gauge for the light. The outputs for the lights are as follows: Landing Mode:110,000 Candle Power | Taxi Mode: 36,000 Candle Power

Q: Can I power both the taxi and landing modes on the Whelen Parmetheus Duo Par36 Landing & Taxing Light 01-0772131-00 at the same time?

Yes both functions can be utilized at the same time.

Q: Where can I find the specs and installation instructions for the Whelen Parmetheus Duo Par36 Landing & Taxing Light 01-0772131-00?

We have added the installation manual to this web page for your review.

Q: What is the diameter and depth of the WAT Duo PAR 36 LED light?

Approx 4-1/4 inch across and 2 inch deep.

Q: What are the dimensions of this Whelen Parmetheus Duo PAR 36 Landing & Taxing Light 01-0772131-00?

Approx 4-1/4 inch across and 2 inch deep.

Q: If install 2 WAT Duo PAR36 lights right next to each other do I need to connect the master slave wire? Do I need to connect the synchronization wire?

Per WAT: You should only have to connect the master slave wire for the installation.

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