Compass deviation.

Compass deviation is when a magnetic field causes interference with the compass reading.

It can occur when ferrous metals or magnets are within close range of the compass. The humans like to use Navionics and other similar apps on their ipads when we’re up in the cockpit. On several occasions they’ve put an iPad or a mobile phone down next to our compass, only to then realise it’s thrown off the compass reading completely. This usually makes the humans put the electronic device away promptly.

Now I’m not too bothered by my harness, it’s very comfortable and I often forget I’m wearing it. My problem, is the fact that the humans often make me wear it just in case they want to attach the lead that gets clipped on to it to ‘keep me safe’. As I’m sure you can imagine, I really don’t like the lead! After watching the deviation routine a couple of times, I got to wondering if I could convince the humans that my harness was causing deviation too, maybe they’d take it off and put it away. It has a little metal D-ring and I have a cool metal coin to say I’ve been microchipped on it too so I thought it might work.


I plonked myself in front of the compass and tried my best to wiggle around and make the compass move.



It didn’t work so I tried to distract the humans…oh look at that beautiful bird!


The compass didn’t help me out at all and stayed true to course the whole time I was in front of it! But it was worth a try at least and it was a fun experiment! So although the compass is sensitive it’s good to know its not over sensitive!


Bisous Bailey


  1. Gosh – well you tried Bailey! Just remember that harness keeps you safe and if your humans didn’t love you so much they wouldn’t bother! Besides, it matches your eyes!!!!

    Kitty Hugs, Sammy


  2. It was worth a try but good to know that you don’t bend the compass!


  3. Good thing the compass stays true Bailey. If all the new gadgets fail, your trusty compass will take you home.


  4. We see that you are out of your harness in the final photo. Guess your humans took mercy on you. Purrs and hugs from the kitties at The Cat on My Head, Lily Olivia, Mauricio, Misty May, Giulietta, Fiona, Astrid, Lisbeth and Calista Josette


  5. Humans are much easier to train than most cat’s think, so be patient and keep at it.
    Salty Tails


  6. You little devil! You tried so hard. But you know the harness is there to keep you safe. And it looks really cute on you. Nothing has been as cute as that little scarf you had on at Christmas tho; that was adorable!


  7. Good thing you’re not “magnetic”. You would have a lot of metal stuff around you. 🙂


  8. Beautiful how your harness matches your eyes!


  9. Your harness is really fashionable and looks comfy too!


  10. But but! It worked! You don’t have your harness anymore at the end 😉


  11. I DO see that you got to have the harness off, though!


  12. Poor sweetie I know you tried.


  13. I am glad your microchip doesn’t upset the compass. You might get a little lost without your harness but you would get very lost without the compass.


  14. Yow wow!! if e had to wear a harness it wuud be dat color fer shure!! You look so handsum in it!!! Guud test ya did….best da compass werkz so ya don’t end up sumwhere else!!!
    Have a guud weekend sailin around Bailey!
    Lub Nylablue n her Mum xo


  15. Ms. Phoebe says:

    MEWHAHAHA! Bailey mew are brilliant! I love following mewz adventures, do mew ever desire to become a pirate while at sea? 💕



  1. […] Remember I was telling you all about trying to get out of wearing my harness because I hate being on the lead? I tried to change the compass heading and it didn’t work! […]


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