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Flight Data Analysis |
DFDR Transcription
Flight Data Recorders
Project Administration
Attend investigation meetings, hearings etc. as
required. Publish Project Status Reports (PSR’s) as required.
Documentation and information control measures for total accountability of
sensitive data.
DFDR Raw Data Files
Obtain DFDR raw data files. Inventory all
parameters. Verify parameter reliability. Reduce raw data to
Engineering Units (EU) as required.
Preliminary DFDR Analysis
Verify parameter inventory and cross-check with source
document data files. Verify discrete parameter alpha-characters are
converted to integer values. Document data discrepancies.
Perform Secondary DFDR
Analysis
Augment Preliminary DFDR analysis database with
secondary, derived parameters, i. e. Hp = f(Hpc, Hpf),
Vtas, M = f(KCAS, Tamb), Tamb = f(Tt,
M), dISA, Universal Time Coordinated (UTC) (hh:mm:ss) and Remarks.
Perform Tertiary DFDR
Analysis
Enter remarks for each significant vital parameter
value change that indicates an event. Add PIREP factual information.
Add assumptions. Note DFDR Line Numbers (LINO) OFF ATD and ON ATA.
PIREP Analysis
Dissect (breakdown) Pilot Report (PIREP), Open Probe
narrative.
Formulate Closed Probe queries. Itemize and organize PIREP
factual information chronologically.
Ground Track Analysis
Obtain copies of departure and arrival airport plan
views. Analyze ENTAPS data (as required). Note UTC
and ground position.
Weather Analysis
Obtain historical aviation weather data by Station
and (UTC). Analyze and simul-plot on Ground Track.
Add Weather reports by UTC to DFDR database
Remarks.
Flight Data Analysis Report
Generate chronological remarks summary and write
narrative. Formulate Problem Statement, Conclusions
(present and contributing causal factors, present but not contributing
factors as requested). Action Recommended.
Flight Data Consultation
Services
Analysis Techniques are tailored to your air
transportation business products or services.
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Accident/Incident Reviews
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Cockpit Voice Recorder (CVR) Analysis
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Digital Flight Data Recorder (DFDR) Analysis
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Flight Operations Quality Assurance (FOQA)
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Aircraft & Engine Performance Analysis
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Inclement Weather (Icing) Flight Analysis
(Bae146/ALF502 “Rollback”)
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Continuous Process Improvement (CPI)
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Integrated Product Design & Support (IPDS)
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Flight Mission Profile
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Human Factors
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Safety Program Audits
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Root Cause & Corrective Action (RCCA) Analysis
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Risk Assessment & Analysis
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Applied System Safety Analysis Techniques
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Hazard Analysis
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Failure Modes Effect Analysis (FMEA)
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Applied Air Transport Association (ATA) MSG-3
Analysis
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Airworthiness & Certification Solutions. . . | |