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altitude pre-select window, but at this time the navigation
page had returned to the communication page. This
caused the communication frequencies to switch over,
which made our standby frequency active and we did not
catch this. After level-off at MDA, we heard radio chatter
but something didn’t seem right and we then changed the
frequencies appropriately.
At this time Tower called and said they tried calling us. We
apologized, completed the approach and left the airspace.
We were given a number to contact Tower.
Upon landing we contacted Tower and he advised us of the
impending situation that could have occurred. We told him
what happened and he said this was not the first time this
happened with the avionics in the Eclipse jet in regards to
communication.
What we learned from this was to ALWAYS verify the
transmission frequency as part of the scan because of this
30-second change of [pages] that is standard on the current
avionics suite, and be VERY aware of our frequency after
the minimum altitudes are selected and driven to the
altitude select window.
Number 339 March 2008
Section 8-1-1 of the Aeronautical Information
Manual (AIM) offers a personal “fi tness for
fl ight” checklist that can apply to all aviation
personnel who want to evaluate themselves before
performing fl ight-related duties. This checklist
can easily be committed to memory: I’MSAFE. The
I’MSAFE checklist presents a short list of operator
impairments that can contribute to incidents and
accidents:
• Illness
• Medication
• Stress
• Alcohol
• Fatigue
• Emotion
A pilot, fl ight attendant, maintenance technician,
dispatcher, or air traffi c controller can use the
I’MSAFE checklist as a memory aid to detect any
of these conditions, and if one or more conditions
are recognized, to employ appropriate mitigation
strategies. Let’s take a closer look at some of these
categories of impairment, using incident reports
submitted to ASRS.
Illness
The safest advice is not to fl y while suffering from any
illness. Even a minor illness may seriously degrade
performance of duties vital to safe fl ight, as well as
produce distracting symptoms that may impair mental
functioning. In a report to ASRS, a B757 Captain described
his concern about a fl ight attendant fl ying with laryngitis.
■ While checking in with gate agent, she...laughed saying
that we would not be able to hear the purser because she
had a terrible case of laryngitis. When I attempted to brief
the fl ight attendants, it was painfully obvious that she
had almost no voice at all! I asked her if she would be
able to perform her duties and ‘bark’ her commands if an
evacuation were necessary. She replied that she would do
her best...She relayed to me that she really did not want to
call in sick because of the sick leave policy. She stated that
she did not really feel that bad,
but she was also worried about
her voice and ability to give
commands during an evacuation
if necessary....
I nor any of the rest of the crew
appreciated being exposed
to her virus! I also wonder
what the health/safety authorities...would think about a
fl ight attendant serving meals/drinks with a contagious
condition? I was tempted to ask her to pull herself from
the fl ight, but at such short notice, I knew that we would
be greatly delayed, if not canceled. I advised her that if
she wished to continue, that she must grab a megaphone
immediately if the need for any emergency condition
developed. She felt comfortable with this and even ‘keyed
up’ the megaphone to see if she could be heard properly.
Another air carrier Captain echoed the concern over crew
members who fl y while ill.
■ During the fl ight, it became readily apparent after we
departed that the First Offi cer was recovering from an
illness. As he used the radio to communicate with ATC, he
coughed uncontrollably. It was at this point that I realized
that he should have taken some time off via the sick list to
recover more fully...This...placed me in an uncomfortable
situation, as I do not have the expertise to diagnose a
person’s illness. I contemplated diverting the fl ight due to
his state, but elected not to after determining it was safe to
continue....
Stress
Stress from the pressures of everyday living can impair
human performance, often in very subtle ways. A PA38
pilot who had been under unusual stress had a near
collision with another aircraft during takeoff roll at a
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