DCIT_Success_criteria_v5.ppt

DCL Trials Success Criteria
&
Metrics Collection
Proposal
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Procedure & Requirements Validation
 Confirm that the DCL procedures and systems are
operationally effective
– Confirm that trials documentation is complete for trials conduct, or
updated where needed
 End-to-end document
 Flight Deck Users Guide
 Systems Integration Document
 Identify items for progression into international standards
– End-to-end document cleaned to go forward to GOLD
– RCP information collected for SC214
– Operational End-to-end documentation (TDLS)
 Verify acceptability (or not) of POA for DCL operations
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Definition Of Success
The DCL Trials initiation are a success if:
– We have a minimum functionality of CAF, UM79 & Revisions NOT
including Route
– We enable service to all fully eligible operations within 2 weeks
– We initiate full DCL messaging functionality within 45 days of start
– Controllers are able to incorporate the procedures into daily ops?
– Aircrews are able to incorporate the procedures into daily ops?
– Dispatchers are able to incorporate the procedures into daily ops?
 The first 3 are measured by “Is it there?” or “Did we do it?”
 The last 3 are measured thru the survey / interview
responses and finalized Health Monitoring statistics
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Efficiency Validation
 Health Monitoring statistics
– System use (number of log-ons, connections, requests, clearances,
revisions)
– See next slide
 Delays
– Gate delay
– Taxi time change
– Taxi time/Delay variability
 Minutes of Comm Time Saved
– Calculated value comparing known voice comm times with Data
Comm
– For initial clearances
– For revisions
 Increase in number of revisions?
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Tower Throughput & Efficiency Metrics
Metric Title
Delays
Efficiency
Tower Specific Metrics
Metric Measurement
-Gate delay
-Taxi time change
-Taxi time/Delay
variability (predictability
metric)
-Gate out time minus
proposed time
-Average taxi
time/delay before &
after Data Comm
-Minutes of
variability before &
after Data Comm
-Taxi Time
-Rerouted flight gate
delay
-Taxi time trends
comparing before and
after DCL
-Taxi and Gate time
trends during weather
events
Data Source(s)
ASPM/
Ground Track Data
(ASDE-X)
DTAP
ASPM/
Ground Track Data
(ASDE-X)
DTAP
Efficiency Measures
•Efficiency Measures – Supported Benefits Case for DCL
capability (73 TDLS Airports)
•We have 4 years baseline data which shows a high correlation
between revised clearances and taxi out delay at MEM.
•Any improvement during periods of intensive reroute activity
would be an indication of DCL benefit.
•Although every airport is different, we expect that DCL benefits
will be a common occurrance at those airports which are
impacted by reroute activity.
•A key component of this measure is opportunity.
•We expect the number of reroute events at MEM will be small
when compared to other high density locations.
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Health monitoring statistics for DCL
 Number of eligible flights (equipage)
 Number of eligible flights that filed (“FRC DCL” in flight plan)
 Proportion of eligible flights that logged-on
 Proportion of eligible flights that requested a DCL
 Proportion of eligible flights that received an initial DCL
clearance, and what type of initial clearance was received
 Proportion of eligible flights that received one or more
revised DCLs, and what type of revisions they were
 Proportion of flights that wilco’d, unabled, or standby’d
clearances
 Round trip times (clearance to wilco)
 Number of logged-on flights that received a DCL via voice
instead of datalink
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Tower Equipage and Usage Metrics
Tower Specific Metric
Metric Title
FAA Equipage
User Equipage
Metric Measurement
Number of towers equipped and
operational
-% of total
-% of planned
Number of aircraft Data Comm
equipped
-% by airline
-% of total fleet
-Type/level of equipage
Flight Eligibility .
Data Source(s)
Data Comm Program
Airlines/
MITRE
DTAP
Health Monitoring Measures
Data Comm Usage
(message traffic)
Number and type of Data Comm
messages sent/received
:
-Number of aircraft logged into Data
Comm system and number of sessions.
-Number of Data Comm messages by
airline
-% of total clearances
-Number of re-route clearances
-Type of messages
-Health Monitoring measures
-
Minutes of Comm Time Saved
TMI restriction, Numbers and Values
Calculated value comparing known
voice comm times with Data Comm
-Calculation using above results
Departure TMI restriction values
-Number at Data Comm airports
-TMI restriction values
-Data Comm TMI restriction
exemptions
ERAM/
•TDLS
•DTAP
Note: DTAP records and
time stamps all DCL
message), in/out
ERAM/
•TDLS
DTAP
Voice Tape Analysis
NTML/
ETMS
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