Australian Flying - July 2018

(Wang) #1
Jim’s Analysis
Cessna singles have slightly iffy
fuel systems. No, there is nothing
really wrong with them, but they
do need a bit of understanding.
This is particularly important
when you want to know exactly
where the fuel is, and how to get it
to the engine.
This guy may have had more
than an hour’s fuel in the tanks
when the engine died of thirst,
but either didn’t really understand
the fuel system, or didn’t have his
mind on fuel management.
Yes, I have been down this road
before, but Cessna fuel accidents
keep happening, so I will keep
nagging about it. We will look at
this accident first, and then think
about some other aspects of fuel
management, mainly for Cessnas.
The pilot made two life-
threatening mistakes. Firstly, he
seemed to believe the fuel gauges.

Be Careful of


the Cross-feed


Date of Accident: 10 August 2006
Time of Accident: 1540Z
Aircraft Registration: ZS-NUY
Type of Aircraft: Cessna T210M
Pilot Licence: Commercial
Licence Valid: Ye s
Age: 31
Total Flying Hours: 2143.6
Hours on Type: 456.5
Last point of departure: Witbank
Aerodrome (FAWI)
Next point of intended landing:
Kitty Hawk Aerodrome (FAKT)
Location of the accident site:
On an open eld approximately
0.3 nm east of Kitty Hawk
Aerodrome
Meteorological Information:
The weather was ne;
Temperature: 28°C
Wind: NNW/Calm
Number of people on board: 1+2
Number of people injured: 1
Number of people killed: 0

SYNOPSIS
On the morning of 10 August
2006, the pilot departed from
Wonderboom Aerodrome
on a private light to Ulundi
Aerodrome in KwaZulu-
Natal. En route, he landed
at Kitty Hawk to pick up
two passengers, one of
whom was an employee of
a vehicle tracking company.
He then proceeded to
Witbank Aerodrome, where

he collected another
two passengers. From
Witbank, they headed
for Ulundi Aerodrome,
where they landed at
about 0900Z after an
uneventful flight.
At approximately
1230Z, the pilot,
accompanied by the
same passengers,
departed from Ulundi
Aerodrome on the
return light. He landed
back at Witbank and dropped
off two passengers, and then
took off for Kitty Hawk to drop
off the remaining two. After
lying for about 15 minutes, he
started the descent for Kitty
Hawk with full laps and at
an indicated air speed (IAS)
of 65 to 70 kts. Directly after he
made a radio call on frequency
120.65 MHz, reporting right base
for landing at Kitty Hawk, the
engine suddenly lost power and
subsequently failed.
He immediately switched
the fuel selector to the opposite
fuel tank and turned on the
boost pumps to restore engine
power, but to no avail. As the
aircraft was losing height and
unable to glide safely for landing
on Runway 01 at Kitty Hawk
because of power lines ahead,
the pilot executed a forced

landing on a grass eld east of
the runway. The aircraft landed
with the undercarriage retracted,
skidded for about 40 metres
and ground-looped through 90°
before coming to rest.
The aircraft sustained damage
to the right wingtip, underside
of the fuselage and propeller
blades. The pilot and passenger
seated in the front seats were
unhurt, but the vehicle tracking
company employee, who was
seated in the left-hand rear seat,
sustained injuries to her back,
neck and pelvis.

PROBABLE CAUSE
The fuel tank outlets became
uncovered when the pilot
manoeuvred the aircraft as the
fuel tanks were less than 1/4 full.
This caused fuel starvation and
engine stoppage.

CAA ACCIDENT REPORT SUMMARY
This discussion contains extracts from the
SACAA’s accident report. It is compiled in
the interest of promoting aviation safety
and not to establish legal liability.

JIM DAVIS
learn?

What can we


Jim Davis has 15,000 hours of immensely varied
lying experience, including 10,000 hours civil and
military lying instruction. He is an established
author, his current projects being an instructors’
manual and a collection of Air Accident analyses,
called ‘Choose not to Crash’.

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AUSTRALIAN FLYING July – August 2018
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