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Farnsworth Lantern (FALANT) and Color Vision Testing
Do you have a color vision deficit and cannot pass the standard pseudoisochromatic plate test
as shown here?
as shown here?
The simplest and most active alternative test is the
Farnsworth Lantern (FALANT) Test for color vision.
This is the preferable test to the other option, the
color signal light gun test since FAA authorization is
not required for the FALANT.
First developed in the 1950's for the US Navy, the
FALANT became the standard for military color
vision testing.
If you pass the FALANT, you may submit the results
to request an amended, unrestricted certificate is
issued by the FAA along with a Letter of Evidence
documenting that you have satisfied the color vision
standards. You do not have to take any other color
vision test at the AME's office, just present the Letter
of Evidence from the FAA exempting you from color
testing.
Farnsworth Lantern (FALANT) Test for color vision.
This is the preferable test to the other option, the
color signal light gun test since FAA authorization is
not required for the FALANT.
First developed in the 1950's for the US Navy, the
FALANT became the standard for military color
vision testing.
If you pass the FALANT, you may submit the results
to request an amended, unrestricted certificate is
issued by the FAA along with a Letter of Evidence
documenting that you have satisfied the color vision
standards. You do not have to take any other color
vision test at the AME's office, just present the Letter
of Evidence from the FAA exempting you from color
testing.
| Pseudoisochromatic color plate |
If you fail the FALANT, you can still request authorization from the FAA to take a color signal light
test.
test.
In the FALANT test, you are presented with a
combination of two colored lights which may
be any combination of RED, GREEN and/or
WHITE. The combination may be two lights of
the same color and may be presented more
than once during the test. Examples are
shown here.
combination of two colored lights which may
be any combination of RED, GREEN and/or
WHITE. The combination may be two lights of
the same color and may be presented more
than once during the test. Examples are
shown here.
| Farnsworth Lantern |
The test operator visualizes the correct test
answer on the top of the machine.
The test is comprised of a series of 9
combinations of colors. These may be
presented a total of three times to the
applicant. The test is scored as PASS if the
applicant has an average of less than one
error for the complete test series.
answer on the top of the machine.
The test is comprised of a series of 9
combinations of colors. These may be
presented a total of three times to the
applicant. The test is scored as PASS if the
applicant has an average of less than one
error for the complete test series.
To schedule a Farnsworth Lantern (FALANT) Test, call or e-Mail Patty at 602-368-5633 or click on Appointments. The fee is $50. |
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