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.

• Accident/Incident Reviews

• Cockpit Voice Recorder (CVR) Analysis

• Digital Flight Data Recorder (DFDR) Analysis

• Flight Operations Quality Assurance (FOQA)

• Aircraft & Engine Performance Analysis

• Inclement Weather (Icing) Flight Analysis (Bae146/ALF502 “Rollback”)

• Continuous Process Improvement (CPI)

• Integrated Product Design & Support (IPDS)

• Flight Mission Profile

• Human Factors

• Safety Program Audits

• Root Cause & Corrective Action (RCCA) Analysis

• Risk Assessment & Analysis

• Applied System Safety Analysis Techniques

• Hazard Analysis

• Failure Modes Effect Analysis (FMEA)

• Applied Air Transport Association (ATA) MSG-3 Analysis