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Farnsworth D-15 & Lantern Colour Test  
User currently offlineYVRtoYYZ From Canada, joined Mar 2004, 669 posts, RR: 0
Posted (8 years 1 month 3 weeks 16 hours ago) and read 10962 times:

The search has yielded the following archived results, yet are not specific to the results of colourblind testing.

Colourblindness and Pilots License
Pilot Colourblind
Careers In Aviation For Someone Colourblind?

Just today, I took the Ishihara colour test, which I expectedly failed. However, upon taking the Farnsworth D-15, I flawlessly passed the first two tests, made one error on the third test and then flawlessly passed the fourth test. Upon taking the Holmes-Wright lantern test, I was informed of being inconsistent in determining green and white.

My question is that if I consistently demonstrated complete competency and accuracy with the Farnsworth D-15 (supposedly the alternative to the Ishihara, while the Lantern is the alternative should one fail the Farnsworth), upon which grounds will Transport Canada consider my colour vision competency? Will failing the Holmes-Wright outweigh my successes on the Farnsworth?

Thank you in advance.

-YVRtoYYZ

5 replies: All unread, jump to last
 
User currently offlineKELPkid From United States of America, joined Nov 2005, 6428 posts, RR: 3
Reply 1, posted (8 years 1 month 3 weeks 16 hours ago) and read 10963 times:

In the US at least, if you fail any of the standard tests (the ones with the multi-colored dots, I don't know the name of that test), you can also request a "SODA" test, where you sit in the aircraft and have the tower aim light guns at you, and report the colors.

I'm not colorblind myself, but I have a friend who is (who tried to become a pilot...).

The consequences of being found colorblind in the US is that your medical will restrict you to non-towered airports.



Celebrating the birth of KELPkidJR on August 5, 2009 :-)
User currently offlineLearpilot From United States of America, joined May 2001, 814 posts, RR: 1
Reply 2, posted (8 years 1 month 2 weeks 6 days 20 hours ago) and read 10909 times:

I don't know if these guys deal with Canadian certification, but if not they may be able to point you to someone who does. They help people with all kinds of medical certification problems.

http://www.aviationmedicine.com/index.cfm?fuseaction=home

BTW, I'm colorblind too. I did the light gun test to get the SODA.



Heed our warnings or your future will be underpant free!
User currently offlineYVRtoYYZ From Canada, joined Mar 2004, 669 posts, RR: 0
Reply 3, posted (8 years 1 month 2 weeks 6 days 19 hours ago) and read 10904 times:

Quoting Learpilot (Reply 2):
I'm colorblind too. I did the light gun test to get the SODA.

Thanks for the link, Lear.
Unfortunately in Canada, the person I was speaking to in TC indicated that TC removed field testing (ie. light gun) from their approved testing about ten years ago; however, there are lobbies to bring it back as it makes TC's job easier. So in the meantime, colour-deficient candidates are left with the Ishihara, Farnsworth D-15 and the Holmes-Wright Lantern.

I have a follow-up with TC this afternoon to discuss with them directly the results of my capabilities and to attempt to have my restrictions removed.

-YVRtoYYZ


User currently offlineDeltaGuy From , joined Dec 1969, posts, RR:
Reply 4, posted (8 years 1 month 2 weeks 6 days 8 hours ago) and read 10872 times:

When I first got into the military, I failed their color vision tests (even though I held a first class medical!). It was some stupid book of pixels, with numbers in different colors in the fields, which you had to discern- practically impossible on some of them, I'm sure some of you remember it.

Anyways, had to do the lantern test- what a joke. The color blindness notion quickly dissapeared. The lantern is a pretty good litmus test as whether you're colorblind or not.

DeltaGuy


User currently offlineYVRtoYYZ From Canada, joined Mar 2004, 669 posts, RR: 0
Reply 5, posted (8 years 1 month 2 weeks 5 days 17 hours ago) and read 10847 times:

To follow-up,

I spoke with the official in Transport Canada today in which he informed me that my restrictions on my current medical should be lifted and be replaced by an unrestricted medical, meaning that I can continue pursuing not only my PPL but also work towards my CPL. I guess the full proof will be in the newly issued medical.

-YVRtoYYZ


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