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• professional ground support
available, but not used
• late, but correct decision to
abort initial goal (LHR)
• successful diversion to MAN
• how many lucky cases like
this get away unnoticed?
latent limitations of the 2-man cockpit
• some tasks of the flight engineer / navigator were
actually never fully taken over by computers
• FMS / ECAM have severe limitations in abnormal
operation
• no detailed documentation available onboard
• no training about latent limitations
• ICAO Annex 6 requires ground support from
dispatch
• modern ground-based systems and high-quality
communication channels are available worldwide
????
latent critical scenarios - handling
• prevent
- additional fuel even for non-ETOPS enroute alternates
- base diversion decisions on accurate calculations
• detect
- use all available information to accurately predict potential scenarios
- follow flight progress with all available means
• assist
provide optimum tactical assistance in actual enroute diversions
- based on precise aircraft performance data for the current configuration
- based on up-to-date wind forecasts
- select most suitable alternate
- optimize flight profile
- avoid terrain
latent critical scenarios - triggers
• change in destination / enroute alternate selection
• replanning without recalculation
• overburning / using up of contingency fuel
• rerouting / diversion
• change of wind / weather conditions
• change of aircraft status / configuration
- engine fail
- gear down
- flight control problems
- drag items
- fuel leak
0
10000
20000
30000
40000
50000
60000
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PldFOB
CritF
ActFOB
critical fuel scenario
exceeds actual fuel
on board
latent critical scenarios & cost saving
• reduction of fuel reserves will bring us close to latent critical scenarios more
often
• pilots instinctively uplift extra fuel for "safety reasons" – sometimes
counteracting reductions of reserves
• "instinctive" extra fuel is a significant cost factor with today's high fuel prices
0
10000
20000
30000
40000
50000
60000
0:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
FullRes
CritF
RedRes
credible in-flight support reduces this cost factor and ensures a high
safety level even when operating under strong commercial pressure
Aircraft manufacturer
flying high with
cleaner production
Environmental successes
This is one of a series of case studies
featuring companies that participated
in the Department of Environment and
Conservation (NSW) $5 million
‘Profiting from Cleaner Production’ –
Industry Partnership Program.
NSW companies are discovering that
cleaner production not only protects
the environment but also reduces
operating costs, streamlines processes,
boosts profits and improves staff
engagement and morale.
Industry:
Aerospace
Hawker de Havilland (Boeing)
Hawker de Havilland manufactures
component parts for aircraft
and exports approximately 95%
of its output. The company has
major contracts with the world’s
leading aircraft manufacturers
such as Airbus, Boeing and
Lockheed Martin.
Company characteristics
Hawker de Havilland is an
Australian company and a wholly
owned subsidiary of The Boeing
Company. The company employs
1,330 people at two sites: 550
people work at the Bankstown
site, Sydney, and 780 at the
Fisherman’s Bend site, Melbourne.
In the first year 12 tonnes of plastic
were diverted from landfill to recycled
products, equating to an approximate
volume of 800 m3. Similar initiatives
and associated reductions have been
applied to wood and steel waste.
Colour-coded sorting system
Colour-coded wheelie bins were
introduced to encourage better
separation of recyclable material.
Separate bins are now available
for aluminum, steel, paper, plastics
wood, composite materials, co-mingled
service and general garbage. The
company estimates that when all
initiatives and systems are in place,
recycling will account for 85% of all
‘waste’ — a tremendous achievement.
Work with a supplier
to improve packaging
Up to 14 large boxes arrived from
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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