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OPERATIONAL SUITABILITY EVALUATIONS. Weather-in-the-Cockpit Workshop . Robert Ruiz, AFS-430. August 9, 2006. Introduction. Background Activities Objectives Study Approach Evaluation. Background. WX Products emerge from research as technically sound products – Good Science

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operational suitability evaluations


Weather-in-the-Cockpit Workshop

Robert Ruiz, AFS-430

August 9, 2006

  • Background
  • Activities
  • Objectives
  • Study
  • Approach
  • Evaluation
  • WX Products emerge from research as technically sound products – Good Science
  • Operational implementation (AFS definition) historically not part of the R&D effort
  • Lack of operational suitability evaluation on newly developed graphical products
  • Some products issued as supplementary with restrictions
  • CIP/FIP 2005 Hazard analysis highlighted safety issues and the need for a structured Safety Assessment of WX products
fy 06 implementation activities
FY-06 Implementation Activities
  • AFS-400 able to secure funding to develop and implement an operational suitability evaluation
  • FAA Tech Center Weather Sensors Group was selected to conduct the evaluation
definitions hbat 05 01 and aim
Definitions – HBAT 05-01 and AIM
  • Primary Weather Product.
    • An aviation weather product that meets all the regulatory requirements and safety needs for use in making flight-related, aviation weather decisions.
  • Supplementary Weather Product.
    • An aviation weather product that may be used for enhanced situational awareness. If used, a supplementary weather product must only be used in conjunction with one or more primary weather products. In addition, the FAA may further restrict the use of supplementary weather products through limitations described in the product label to conduct the evaluation
objectives operational suitability evaluation
Objectives – Operational Suitability Evaluation
  • Determine pilot understanding/intuitiveness of the product
  • Determine that the information presented is not hazardous misleading information
  • Determine the level of safety of the product; provide an equivalent level of safety (Supplementary-Situational Awareness)
  • Determine the level of training required for product use
  • Determine if any training and guidance materials will be needed
  • Provide a roadmap for AVS to move the product from Supplementary to Primary
study outline
Study Outline
  • Study 1: Supplementary Weather Product
    • Assess CIP operational suitability for pilot use as Supplementary Product with no restrictions
    • Assess operational suitability using:
      • Situational Awareness
      • CIP Supplementary Weather Product Questionnaire
      • Interview questions
      • Observer ratings
  • Study 2: Primary Weather Product
    • Identify CIP operational suitability issues for pilot use as Primary Product
    • Identify issues using:
      • Situational Awareness
      • CIP Primary Weather Product Questionnaire
      • Interview questions
      • Observer ratings
  • Evaluate CIP Severity and Probability products
  • Evaluate from pilot perspective
  • Use in flight planning scenarios
    • Preflight
    • In-flight*

*Note: While “In-Flight” use is being examined, the evaluation will not yield data appropriate for cockpit use.

  • Simulate route planning with focus on in-flight icing
    • Preflight
    • In-flight
  • Active pilot participants (n=32/48)
    • General Aviation (Expert and Novice)
    • Business Jet
    • Regional Airline
  • Flight Planning Scenarios
    • Archived weather examined to determine flight routes
    • Flight routes developed so that icing is encountered
    • Eight GA Routes
    • Four FAR Part 121 (SkyWest) Routes
    • Flight route information includes:
      • Departure, Destination, Waypoints
      • ETD
      • ETE
      • Preferred Flight Level
      • Distance
      • Equipage
evaluation conduct
Evaluation Conduct
  • Experimental Conditions
    • Study 1: CIP Supplementary Weather Product
      • AIRMET/SIGMETs (With CIP)
    • Study 2: CIP Primary Weather Product
      • CIP (With AIRMET/SIGMETs)
evaluation conduct12
Evaluation Conduct
  • Experimental Conditions
    • Pilots
      • Expert
      • Novice
    • Equipage
      • De/anti-icing equipment
      • No de/anti-icing equipment
    • Icing Severity
      • Trace/Light
      • Moderate or Greater (MOGR)
evaluation conduct13
Evaluation Conduct
  • Pretest Briefing
    • Objectives of evaluation
    • Training
      • CIP information and use
      • Evaluation platform
      • Evaluation data collection tools
evaluation conduct14
Evaluation Conduct
  • Preflight
    • Assigned preferred route
      • Trace/Light Icing
      • Moderate or Greater (MOGR)
    • Standard weather briefing
    • Depending on experimental condition, provide icing products for Supplementary Study or Primary Study
    • Pilot decides route/altitude adjustments/no adjustments
    • Interview questions
    • Assess Situational Awareness
      • Pilot
      • CFI
evaluation conduct15
Evaluation Conduct
  • In-flight
    • Assigned preferred route
      • Trace/Light Icing
      • Moderate or Greater (MOGR)
    • Perform preflight self brief
    • Pilot is asked to imagine he/she is about 90 minutes into flight
    • In-flight weather update provided
    • Depending on experimental condition, provide icing products for Supplementary Study or Primary Study
    • Pilot decides route/altitude adjustment/no adjustment
    • Interview questions
    • Assess Situation Awareness
      • Pilot
      • CFI
data elements
Data Elements
  • Situation Awareness (SA) rating
    • Pilot
    • Observer (CFI)
  • Operational suitability questionnaire responses
  • Interview comments
  • Potential pilot errors/poor decisions
  • General observations
evaluation criteria supplementary
Evaluation Criteria: Supplementary
  • Statistically significant increase in SA when CIP is used with AIRMETs/SIGMETs

Evaluation Criteria: Primary

  • No decline in SA when CIP is used without AIRMET/SIGMETs
evaluation results expected
Evaluation Results (Expected)
  • Supplementary Weather Product Evaluation
    • Operational suitability confirmation data
      • Data to support or not support CIP use as supplementary product without restrictions
  • Primary Weather Product Evaluation
    • Identify operational suitability issues
      • Issues to be resolved in transitioning CIP to Primary Product
        • Interview responses
        • Pilot Error
        • Situation Awareness
        • Operational Suitability Comments
evaluation timeline
Evaluation Timeline
  • Data collection (7/21 – 9/05)
  • Evaluation Reports
    • Quick Look (9/25/2006); NBAA/FPAW
    • Final Report (11/03/2006)
  • CIP-Severity and Probability Operational Dec 06.
  • FAA Tech Center Weather Sensors Group in providing assistance in developing some of the slides that were used in the presentation

Contact Information

Robert M. Ruiz