1. Chapter 18 Reliability Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

2. Reliability Reliability equals consistency
Probability an item performs a required function
Under specific conditions
Specified amount of time
According to intended design
Detect and resolve problems
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

3. Reliability Two approaches Whole airline operation
Dispatch reliability
Achieve on-time departures
Delays
Maintenance
Flight operations
ATC
Overlook maintenance that do not cause delays
Do not track/investigate
Maintenance operation (M&E)
According to intended design
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

4. Reliability Two approaches Maintenance operation
Address problems of maintenance
Whether or not delays or caused
Provide analysis/corrective actions
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

5. Reliability Types Statistical reliability
Collection/analysis of data (events)
Failure, removal, repair rates
Events per 1000 flight hours/per 100 flight cycles
Not always appropriate
Not enough data points
Valid approach (p. 219)
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

6. Reliability Types Historical reliability
Comparison of current event rates to past event rates
Not always appropriate
New equipment introduced
Can be used to establish statistical program
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

7. Reliability Types Event-oriented reliability
One-time events (not on daily basis)
Bird strikes
In-flight engine shutdowns
Lightning strikes
Accidents/incidents
ETOPS (probably in statistical/historical also)
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

8. Reliability Types Dispatch reliability
Measure of overall effectiveness
In relation to on-time departures
Based on 100 flights (percentage)
Should look at whole operation
Airlines may not track problems not causing delays
Airline procedures may need adjusting
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Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

9. Reliability Rules/practices to manage/control maintenance program
Monitor performance
Vehicles
Equipment
Call attention for needed corrective action
Monitor effectiveness of corrective actions
Justify adjusting maintenance program
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

10. Reliability Elements of program Data collection Problem area alerting
Data display
Data analysis
Corrective actions
Follow-up analysis
Monthly report
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

11. Data Collection Elements of program Flight time/cycles per aircraft
Cancellations/delays over 15 minutes
Unscheduled component removals
Unscheduled engine removals
In-flight engine shutdowns
Pilot reports/logbook write-ups
Cabin logbook write-ups
Component failures
Maintenance check package findings
Critical failures
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

12. Problem Detection Alerting system
Performance significantly different from normal
Need to understand equipment
Know failure patterns
Setting alert levels
Set to useable level
Indicate problem exists or may be developing
Know when to proceed or refrain from investigating
Alert levels recalculated yearly
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

13. Data Display Tabular or graph data Tabular Graph
Compare event rates with other data
Graph
View month to month performance
Show increasing/decreasing rates
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

14. Data Analysis Preliminary Analysis Item goes on alert status
Determine if alert is valid
Sent to engineering for detailed analysis
Troubleshoot
Determine required action
Issue EO
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

15. Corrective Action Results Modification of equipment
Change/correct line, hangar, shop processes/practices
Disposal of defective parts
Training of mechanics
Addition of maintenance tasks to program
Decrease in maintenance intervals
Corrective action to be completed within 1 month of EO issue
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

16. Follow-up Analysis Action Verify corrective action effective
No improvement – back on alert status
Data analysis repeated
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

17. Data Reporting Monthly report What problems are encountered
What is being done
Concentrate on items
Just gone on alert
Under investigation
Completed corrective actions
Progress on other items
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

18. Additional Functions Provide changes to program Specific tasks
Adjustments in intervals to tasks
Processes
Works with MPRB
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.

19. MPRB Meets monthly - discuss Overall status of maintenance reliability
Items on alert
Establishment of alert levels
Adjustment of the alert levels
Works with MPRB
Introduction
World War II involved specialized aircraft produced in large numbers by various combatant nations, and many makes of familiar names domestically became known internationally.
WWI spurred acft production, the acft were not available in the beginning of the war.
There were many efforts to prevent war, but the militaristic goals of a few countries pulled other countries into conflict.
WWII was worldwide with concentrations of fighting in Europe and the Pacific.
Hitler wanted to acquired more living space which he tried to do by taking starting war with other countries.