Predictably
in the aftermath of the German-wings tragedy, the media chorus is ‘Something
must be done!’. They say that the airlines
must do more about their aircrew’s fitness to fly, and especially
psychiatric issues that might affect flight safety.
Easier
said than done, for these reasons.
Although
the best airlines will undoubtedly have proper welfare systems to protect
aircrew health as far as possible, medical examinations are not their responsibility.
This lies with the Civil Aviation Authority
(in the UK) which carries out all medical examinations with specially
trained doctors. The examination is, as to be expected, pretty stringent and a medical
certificate can be refused for common problems, such as high blood pressure. It
is required every six months for all commercial pilots.
The
media pressure, in the light of the astonishing revelation that the German-wings co-pilot was having treatment
for suicidal tendencies, is for greater attention to psychiatric issues.
This
highlights another problem.
The
effectiveness of any medical examination depends on the patient being fully
frank with the doctor. If he conceals the fact that he is taking medication for
some unrevealed health problem it is extremely difficult to get at the truth.
This is particularly so with mental problems which don’t often have physical symptoms that would be revealed by a
routine examination.
Interestingly,
the FAA has lifted its ban on pilots taking anti-depressants as this merely
encourages them to conceal the fact.
One
possible solution is to require all doctors treating aircrew patients to notify
the CAA if they discover a problem that might affect a pilot’s performance and
flight safety.
But
this raises immediate issues of medical ethics and patient confidentiality.
Perhaps these ought not to be regarded as sacrosanct when public protection is
paramount.
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