Intro to Helicopter Flight Data Monitoring
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Intro to Helicopter Flight Data Monitoring

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International Helicopter Safety Team (IHST) workshop presentation from HeliExpo 2013

International Helicopter Safety Team (IHST) workshop presentation from HeliExpo 2013

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  • This is our Vision:We would like to see universal uptake of HFDM because we know the benefit it brings will ultimately save lives.... And our Mission...
  • Our MISSION is to deliver this vision, and we hope this workshop will help us to do this.
  • This is what the Workshop is about...The collection of flight data from routine flying operations, not just when there’s an incident, but from every flight.Flight Data Monitoring (FDM) programmes assist an operator to Identify and quantify issues with respect to the risks they pose,Then assess and subsequently address those risks with interventions, before they lead us into incidents and accidents
  • Flight: From an HFDM point of view...We’re only interested when the aircraft is actually doing something. When the power is switched on...
  • DATAIs all about PARAMETERS, each one of these items is a parameter.When the value of a parameter reaches a predetermined THRESHOLD, an EVENT is created
  • Monitoring is about reviewing the events over time, We aggregate the events and quantify them as trends, Provide trends to Review Team giving the opportunity to assess the results and determine mitigationsHere High Rate of Descent events are on the increase... Now you know, you can ask yourself why?
  • In this one we see a Take-Off,A take off followed by a left roll and then a right roll, let’s look at the altitude trace...
  • ... And next Pitch Attitude...
  • ... The next slide... So how do we get the data...
  • Mike 14/17Solid line depicts zero climb/descent700ft RAlt to 150ft RAltThreshold – RoD >1000fpm
  • If you operate aircraft without FDRs then you can opt for the stand alone solution …There are a number available on the market some of which have approved modifications already for some aircraft.These typically capture GPS, Pitch/Roll/Yaw attitudes and ‘G’ Forces from which other parameters can be derived – Groundspeed for example, and may be configured to capture digital data, cockpit video and even engine data if available.
  • So now you have the knowledge provided by the data, you have a good handle on what is happening on the flight line.... So what are you going to do with it?Identify – the events types – High rate of descent eventsQuantify – the numbers of events - How many high rate of descent events are we having?Assess – the severity of what you have found – How high is the rate of descent?Address – the problems, what are we going to doo about it??***NB***Bear in mind that this is not a policing tool. It will tell you what is happening and to a certain extent who is doing what, but be very careful what you do with the data and who you allow to see it.Long term safety improvements come from trends, not from persecution which only builds resentment.Produce newsletters based on the information you find, DON’T mention details which will identify crews, even to their peers.
  • The Traditional HFDM Cycle illustrates the whole process:Data is collected, identify, quantify, assess and address by presenting the findings for Review by Operational management. They decide what goes in the newsletters, what goes to the accountable manager etc... They may request confidential crew feedback concerning one particular event – they won’t know who the crew is.They determine improvements/changes to procedures/training etc... And the aircraft flies again for more data collection, and now the reduction in event rates shows real, demonstrated improvements to safety and operational practices.Depending on the size of operation you can tailor this to suit your needs
  • FDM allows you to demonstrate to yourself and to your customers that you are actively improving the safety margins in your operation.

Intro to Helicopter Flight Data Monitoring Intro to Helicopter Flight Data Monitoring Presentation Transcript

  • INTRODUCTION to HFDMPresented to:IHST Accident Intervention WORKSHOPBy: Captain Mike Pilgrim FDM Manager CHC Helicopter Services Co-Chair Global HFDM Steering GroupDate: 4th March 2013www.HFDM.org
  • Global HFDM Steering Group• Vision: – Routine and effective utilisation of HFDM in a just culture environment across the global helicopter industry. Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Global HFDM Steering Group• Mission: – Improve helicopter safety through provision of focus and leadership on issues concerning the manufacture, provision, support and operation of HFDM systems. Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • The Definition of Flight Data Monitoring.Flight Data Monitoring (FDM)is the systematic,pro-active use of digital flightdata from routine operationsto improve aviation safety.Flight Data Monitoring (FDM)programmes assist anoperator to identify, quantify,assess and addressoperational risks. Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Why HFDM? REACTIVE AccidentsSeverity of event Serious incidents Active Failures and Latent Threats Minor incidents PROACTIVE? Routine operations FREQUENCY OF EVENT Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • This is Why OFDMIIII O Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Flight Data MonitoringData will only be worth anything if the aircraft is actually doing something. • What do we mean by Flight? So ‘flight’ is from power on to power off Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Flight Data MonitoringAnything about the state of the aircraft that can be recorded: • and Data?Airspeed Rate of climb/descent Flight control positions Engines / rotors / temps & pressures Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Flight Data Monitoring Careful analysis of groups of data for indications of anything undesirable. • What about monitoring?So what does it look like? Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Flight Data – Take-Off Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Flight Data – Altitude Altitude Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Flight Data – Pitch Pitch Attitude Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Rate of Descent 700ft 150ft -1000fpm 30 SECS Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • How do we get the data? Solid State Quick Access Recorder Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Aircraft without FDRsStand alone unitsPowerEarthGeospatialDigital (Optional)Video (Optional)Engine Data Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Now I have the knowledgeStart compiling your trend information Its not about individual incidents Aggregate the event types Produce readable reports Involve your staff Don’t talk about individual events in terms of the crews who flew them Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Flight Data MonitoringDemonstrable safety:Don’t just think you’re safe, KNOW YOU’RE SAFE Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • ExampleOvertorque on take-off Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Plotting Engine Tq against IAS Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Tq vs IAS graph Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Intro to HFDM - IHST Accident InterventionMarch 4th 2013 – Las Vegas
  • ExamplePotential Dynamic Roll-Over Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Example 1Close to Roll-over Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Rolling moment with left cyclicCF applied due to inclined main rotor and offset flapping hinges. Rolling Moment CF Rolling moment due to the tail rotor thrust with left pedal applied. Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Rolling moment with left cyclicCF applied due to inclined main rotor and offset flapping hinges. CF Rolling moment due to the tail rotor thrust with RIGHT pedal applied. Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Rolled over aircraft Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Intro to HFDM - IHST Accident InterventionMarch 4th 2013 – Las Vegas
  • High Risk AreaIntro to HFDM - IHST Accident InterventionMarch 4th 2013 – Las Vegas
  • Intro to HFDM - IHST Accident InterventionMarch 4th 2013 – Las Vegas
  • Google Earth Jan ‘07 Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • FDM Newsletter FDM Newsletter Feb 2007 Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas
  • Intro to HFDM - IHST Accident InterventionMarch 4th 2013 – Las Vegas
  • |Google Earth Feb ‘07 Intro to HFDM - IHST Accident Intervention March 4th 2013 – Las Vegas