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equipment movement area.
“You Have the Controls!”
(Why to Keep Your Airplane in Trim)
Following a hair-raising takeoff incident, a Cirrus SR20 Instructor
felt responsible for failing to verify a routine preflight task.
While on departure from Runway 22 at approximately 500 feet
AGL, my student’s seat apparently unlatched and slid to the full
aft position with control yoke still in hand. The aircraft pitched
violently upwards, stall warning horn and then light buffeting
at most without a clean stall. I was looking for traffic off to my
right side when I heard the seat ‘click,’ and then I looked over
to see his seat sliding back with his feet up in the air. The pitchup
occurred instantly. My reaction was to grab the control yoke
and push it forward as my student simultaneously shouted, 'You
have the controls!' We lost no more than 50 feet and I was able to
regain control of the airplane after attaining a safe airspeed. He
was initially quite shaken. We were then able to continue the flight
lesson without further incident.
Lessons learned: As PIC of a dual training flight, it is my
responsibility to ensure the safety of the flight. This means not
taking for granted the successful completion of ‘routine’ tasks,
Number 360 December 2009
This month we offer another “interactive” issue of
CALLBACK, inviting you to exercise your decisionmaking
skills in response to dilemmas described
by ASRS reporters. The front page presents four
incident report excerpts followed by several plausible
decision choices. Which of these choices seem the
safest to you? On the back page, you will find the
rest of the story – the actions taken by reporters to
resolve their situations. You may find that reporters’
actions do not always reflect what you would have
done, or represent optimal safety solutions. We hope
you will find this material thought-provoking.
The First Half of the Story
Situation #1: “The Only Visible Damage Was
a Dent…” (C-172 Pilot)
n I flew a rental plane from my home base…on a pleasure
flight with a friend (also a pilot) as the only passenger…
I landed on a turf runway, and taxied along the runway
towards the parking area… As I approached the parking
area, I moved slightly to the left of the centerline of the
runway, setting up for a right turn farther down to park…
As I continued taxiing, the plane suddenly had some sort of
impact that forced it into a sharp 90-degree turn to the left,
and it continued on a path straight towards the brush and
trees that border the runway. I hit the brakes, but was not
able to stop—perhaps slipping on the turf—before the nose
of the plane entered just a little bit into the brush, with the
prop chopping up small branches and splitting a small tree
(approximately 3-inch diameter). The tree broke and fell
sideways hitting the far leading edge of the left wing. Even
though the plane had stopped, the engine continued to run
until I stopped it by pulling the mixture knob…
After pushing the plane back, we did a thorough inspection.
The only visible damage was a dent on the far end of
the leading edge of the wing, and flaps and ailerons
functioned normally. The engine started normally, with
all instruments in the proper range. I used power to park
the plane alongside the other planes. No mechanical
services were available. I then considered my options, in
consultation with my pilot passenger….
What would you have done?
• Arrange alternate transportation back home
• Call the rental FBO and ask for help
• Fly the airplane back to home base
• ? ? ?
Situation #2: “Don’t Sink, Don’t Sink” (B737
First Officer)
n Upon departure from Reno (heavy: 143,000 pounds),
received notice of a Bonanza at 6,000 feet (1,500 feet AGL).
At the same time, TCAS presented a target in front of us
A Monthly Safety Bulletin from
The Office of the NASA
Aviation Safety Reporting
System,
P.O. Box 189,
Moffett Field, CA
94035-0189
http://asrs.arc.nasa.gov/
October 2009 Report Intake
Air Carrier/Air Taxi Pilots 2846
General Aviation Pilots 923
Controllers 42
Cabin/Mechanics/Military/Other 454
TOTAL 4265
ASRS Alerts Issued in October 2009
Subject of Alert No. of Alerts
Aircraft or aircraft equipment 10
Airport facility or procedure 7
ATC equipment or procedure 4
Maintenance procedure 1
Total 22
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