Thumbs 1
Thumbs 1


Part# 10-00189


Developed in the UK by Nigel Reddish, these stall warners have been installed in many RV series aircraft. the vane is ground adjustable and installation is simple. Includes a micro switch and vane. For experimental aircraft only.

Note: The Mark 2 Version is practically the same as the Mark 1, the only difference is the vane on the Mark 2 is longer. The installation is the same as the Mark 1. Mark 1 Mark 2
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


I am pleased with this purchase. It is fabricated well and I look forward to many years of quality service. The price was also reasonable.

October 8, 2019


Please note, Pilotshop'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. Pilotshop 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: Can the Reddish Stall Warner be installed into aircraft other than RV's?

Per the supplier: Yes they have been installed in other aircraft.

Q: Which one would be better on an RV6a? The mark 1 or the mark 2? is there a reason the mark 2 has a longer vane?

The Mark 1 will work best for your installation per the manufacturer. The longer vane is for RV 9 installations.

Q: Am I correct to assume that the Mark 1 is the right version for an RV-14?

MARK 1 - RV6/6A RV7/7A RV8/8A | MARK 2 - RV9/9A BR The manuals do not mention the RV14.

Q: What horn is used with this Reddish Stall Warner system?

They recommend, Eaton Fulleon Askari Panel White 32 Tone Electronic Sounder.