曝光台 注意防骗
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32 for Runway 6/24. I was looking at the wrong runway
and looking for traffic in the wrong place. When I saw the
traffic, I thought he was in the wrong place and I became
confused, until the Tower told me about flying through the
final approach course for Runway 6. I realize that
orientation is a full time job, especially when flying in the
pattern. When I didn’t see the traffic, I should have called
the controller and asked for further directions….
Traffic Alert
The Grumman AA5 pilot who submitted this report got a
valuable assist from an onboard traffic warning system.
As the reporter pointed out, traffic alerting systems do not
replace the pilot’s responsibility to see and avoid traffic.
■ Four miles from the airport, the controller cancelled
coverage with no comments about traffic…. I switched to
the Common Traffic Advisory Frequency (CTAF) and
called four miles out, then, since I was in position to
directly enter left base for Runway 29, I did so and called
my position. I saw no traffic in the pattern, although my
new Traffic Proximity Alert System (TPAS) warned me of
an aircraft within two miles. The TPAS gives only range
and not bearing, so I suspected the traffic might be
heading to a nearby airport since no one was responding
on CTAF. I turned final and made the radio call; still no
response from other traffic. Now the TPAS began to
display a rapidly decreasing range, down to 0.4 miles.
Suspecting that I was descending onto another plane on
final, I leveled off and went around, not climbing in case
the traffic was above me. At midfield I heard a helicopter
make a radio call on short final, then I saw him as I
turned crosswind. He completed his touch and go, then
flew another tight and very low pattern, completed another
touch and go, then left the area…. I suspect that his radio
was off until he saw me pass over him on final.
…I failed to see and avoid traffic in the pattern (although
it was difficult to see a small helicopter flying a
nonstandard pattern). The helicopter pilot was not using
his radio, apparently assuming he was the only one
around. The major factor in avoiding a collision was the
TPAS. It made me aware of traffic that I otherwise would
not have seen. While it is relatively unsophisticated, giving
only approximate range with no bearing and depends
upon active transponders in the other aircraft, it has
nevertheless proved its value to me. Still, it is not a
substitute for “see and avoid.” I need to be more observant.
Jetstream 4100 pitch down incident
DA50 auto pressurization controller failure
Beechcraft A100 fuel tank access plate leak
Hold short lines obscured at a Southern airport
Civil/military traffic conflict at a Southern airport
Is There a Lesson Here?
■ [Our] traffic was…a Seneca beginning a missed
approach over the VOR…. The Seneca initiated a right
turn toward our position and reported to Tower that they
were, “looking for traffic.” I turned left to avoid a potential
conflict. The Seneca called, “traffic in sight” when
approximately 500 feet horizontally and 200 feet vertically
separated from us.
It was discovered later that the instructor and student on
board the Seneca were both busy with a simulated engineout,
missed approach and failed to locate us until the last
minute…. Better coordination of traffic by the Tower, and a
more vigilant lookout by the instructor/safety pilot would
have prevented this event.
As for myself, I have learned that, even at a towered
airport, any doubts about other traffic must be resolved
and perhaps earlier evasive action should be taken when a
conflict is possible.
Flight instruction can be a demanding task, but the
process should never demand so much of an
instructor’s time and attention that safety is
compromised. Several recent ASRS reports address
some of the more common “unintended” lessons
that result from flight training.
Two Pilots Too Busy Training
While an instructor and a student pilot in a twin-engine
Seneca were preoccupied with an engine-out maneuver, a
Cessna 152 occupied a growing portion of their
windscreen. Unwittingly, the flight instructor in the
Seneca also provided some free lessons to the Cessna pilot
who related the incident to ASRS.
Two Pilots Too Busy Training II
A Tower controller reported to ASRS on another incident
involving a simulated engine failure in a light twin. Once
again, a training maneuver resulted in a traffic conflict
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