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nose-down elevator trim. I called Tower and requested
that we come around to land… This was my first
experience outside of the college training environment
which consists of good habit patterns and flying by the
book. Unfortunately, I did not follow good judgment.
Upon my return, I told the salesman he needed to get
someone else.
A Monthly Safety Bulletin
from
The Office of the NASA
Aviation Safety Reporting
System,
P.O. Box 189,
Moffett Field, CA
94035-0189
http://olias.arc.nasa.gov/asrs
Number 243 September 1999
ASRS Recently Issued Alerts On…
MD-80 autospoiler malfunction
A camcorder battery fire in an overhead cabin bin
B737-800 leading edge devices malfunction
Unshielded transponder testing at an airport repair facility
Alleged navigation interference by a passenger DVD player
July 1999 Report Intake
Air Carrier / Air Taxi Pilots 2078
General Aviation Pilots 729
Controllers 65
Cabin/Mechanics/Military/Other 166
TOTAL 3038
Taking a Stand for Safety
Some of the most difficult judgment calls in aviation occur
on the ground, before a flight. Pressured by schedule,
passengers, and other considerations, pilots may be
tempted to suspend the good judgment they have gained
from experience and training to undertake questionable
or unsafe flights. We hear from several pilots who explain
to ASRS why they regretted not taking a stand for safety.
From a new-hire corporate First Officer:
n The Captain [who was] also Chief Pilot…would not put
on more fuel at my request. We both were aware of the
forecast conditions at our destination, and were both also
aware that these conditions required additional fuel to be
added to remain within legal IFR reserve fuel minimums.
Canyon Calisthenics
The next incident, recounted by the pilot of a high-performance
single-engine aircraft, made white-knuckle flyers
out of several veteran pilots. It occurred just after a
routine passenger pick-up at an airport in the West whose
elevation is almost 4,000 feet AGL.
n The incident began at [an] airport on [the] lake. I was
part of a group of five similar airplanes there to pick up a
group of river rafters… The load I was given was five men,
two of them quite large, and quite a lot of baggage. There
were no scales in the plane so there was no way to know
exactly what the load was. However, it was clear that it
came very close to max weight. I refused some of the bags
and put them aboard another plane. I loaded up the
passengers and proceeded to depart. The takeoff was
normal and although I could feel the weight of the plane, it
did climb out normally.
The weather was hot with high winds and turbulence as is
usual for this location. There were also updrafts and
downdrafts. On climb-out I flew into one of these
downdrafts and the plane began to sink. I was flying over
the river which has steep canyon walls. In this downdraft
I could not climb out of the canyon. I knew that eventually
the downdraft would abate and I could climb out, but my
passengers were beginning to
panic. Two of them were pilots themselves.
The passenger sitting behind me took the
initiative without my orders to open the pilot-side door
and throw out all the bags into the river below, a load of
perhaps 150 pounds. I did not resist this move as to do so
may have increased their panic. Eventually the downdraft
abated and the plane climbed out of the canyon and up to
a safe altitude, then landed safely.
In retrospect I believe there are a number of ways the
incident could have been avoided. I could have been more
conservative on the load and refused more bags… I was
over-confident about the capabilities of the plane. Also,
unconsciously I was relying on the judgment of two of the
other pilots present… Both of these pilots had much more
experience at this location than I did. I could also
have…allowed for the possibility of downdrafts.
It’s possible that the open aircraft door and resultant drag
worsened the downdraft situation. Our reporter might
have prevented the passenger panic and subsequent
baggage barrage by briefing on the local flight conditions
prior to departure.
Flying Outside the Book
And from a pilot who was persuaded by a company
salesman to bend weight-and-balance rules to sew up a
sale:
n …The salesman, myself, and the [new aircraft] owner
were flying [on a long cross-country]. With 3 people and
full fuel this aircraft is approximately 50 pounds over
gross takeoff weight. We departed with an additional 8
　
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