safe flight instrument corporation pioneering safety and performance products since 1946 proprietary...
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Safe Flight Instrument CorporationPioneering Safety and Performance Products Since 1946
Safe Flight Instrument CorporationPioneering Safety and Performance Products Since 1946
Proprietary NoticeThis document contains proprietary information and covers equipment in which Safe Flight Instrument Corporation has proprietary rights.No data contained herein may be duplicated, used or disclosed, in whole or in part, for any purpose, without the express written permission of Safe Flight Instrument Corporation.Safe Flight Instrument Corporation expressly reserves all rights, including all rights of patent and copyright protection.Safe Flight Instrument Corporation2004
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Presented By:Presented By:
Adrian Rosenberg
Helicopter Program Manager
Al Warg
Government Program Manager
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Company HistoryCompany HistoryCompany HistoryCompany History
Founded in 1946
Supplier to Commercial, Business, General and Government
Aviation Markets
Product Installed Base Includes 2/3rd’s of the World’s Aircraft
Pioneered Stall Warning
Automatic Throttle Systems
Wind Shear Warning
Over 100 Aviation Patents
Facility – 40,000 sq ft in White Plains, NY
120 Employees
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Safe Flight Areas of Core CompetenciesSafe Flight Areas of Core CompetenciesSafe Flight Areas of Core CompetenciesSafe Flight Areas of Core Competencies
Detection Lift Detector/Transducer AOA Vane Flap Transmitter Ice Pressure Powerline Detector
Performance AutoPower® SCAT Speed Command N1 Computer
Warning Stall Warning Exceedance Warning Wind Shear Warning Stick Shakers Horns Voice Alert
Certification DER Engineering DER Flight Test DMIR Quality
Flight Test Fixed Wing Rotary Wing
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Computer Aided Design
Aerodynamic Design
Systems Integration
Environmental Testing
Fixed and Rotary-Wing Aircraft Flight Test Facility
Engineering CompetenciesEngineering CompetenciesEngineering CompetenciesEngineering Competencies
Staff Includes FAA DER Test pilot FAA DER Systems FAA DMIR
Conceptual and Analytical Design
Analog and Digital Electrical Design
Software Design and Verification
Electro-Mechanical Design
System Design and Integration
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Powerline WarningPowerline WarningPowerline WarningPowerline Warning
PROTECTION YOU CAN HEAR
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Powerline DetectionPowerline DetectionPowerline DetectionPowerline Detection
Challenge Protect Rotary Wing pilots from the “invisible
hazard” of power lines
Safe Flight Solution We developed a powerline detection system that
aids pilots in reducing risk of power line strikes during low level operations
Features Provides an audio alert, which clicks like a
Geiger counter, is heard through the audio system and increased in frequency as the power line gets closer.
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Powerline Strike Risk ReductionPowerline Strike Risk ReductionPowerline Strike Risk ReductionPowerline Strike Risk Reduction
On Average: 60% of wire strike victims failed to see the wire 75% of all wire strikes destroy the aircraft Average reaction time between seeing the wire and
meaningful action to avoid is 4.6/5.0 seconds (The Powerline Detection system increases the reaction time to 10 seconds)
Two wire strike accidents occur in the United States each week
One fatality occurs every seventeen days Only about 10% of the wire strikes that occur are
recorded There are 4.6 Million Miles of Powerline in the U.S.
Powerline Strikes are one of the greatest hazards to both civil and military helicopter operations.
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Powerline Detection Installation DrawingPowerline Detection Installation Drawing
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Powerline Detection SystemPowerline Detection SystemPowerline Detection SystemPowerline Detection System
Offers a Simple, Inexpensive Solution to Major Safety Concern
Significantly Reduces the Potential for Wire Strikes
Passively Detects Obstacles in a Head-Up Attitude
Double Pilot’s Time to React
Can Save Lives As Well As Dollars
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The IssueThe IssueThe IssueThe Issue INADVERTENT OPERATING LIMIT EXCEEDANCE:
Excessive Transmission Torque Excessive Exhaust Gas Temperature Excessive Gas Producer Speed Low Rotor Speed Others
MOST EXCEEDANCES ARE INADVERTENT
COSTS: Disaster – Accidents / Lives Dollars – Equipment / Maintenance Down Time - MMH/FH Degraded Aircraft Availability Rate
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Exceedance WarningExceedance WarningExceedance WarningExceedance Warning
Challenge Provide rotary wing pilots with a tactile warning when
operating limits are approached
Safe Flight Solution We designed and produce collective and pedal stick
shaker systems warning pilots when they are approaching various operating limits
Features Provides Tactile Warning of when Operating Limits are
being approached or exceeded Such as: Transmission Over Torque, EGT, Rotor Speed
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The RequirementThe RequirementThe RequirementThe Requirement
Significantly Reduce Inadvertent Operating Limit
Exceedances
Reduce Accidents / Unscheduled Maintenance
Expand Pilot’s Situational Awareness
Improve Operator Safety Margins
Solution Must Be Practical and Cost Effective
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Exceedance System DiagramExceedance System DiagramExceedance System DiagramExceedance System Diagram
W arning: Alert:
Low Speed High Speed
Shake Shake
EXCEEDANCE W arning Signal
COM PUTER Alert Collective Control
TQ
Nr
EGT
Ng
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SFIC Exceedance Warning SystemSFIC Exceedance Warning SystemSFIC Exceedance Warning SystemSFIC Exceedance Warning System
Provides Tactile Feedback Cues to the Pilot Dual Speed Collective Shaker Limit Exceedance Computer
Prevents Inadvertent Exceedances from Occurring
Pilot-In-The-Loop Decision Making No Hard or Soft Stops Complete Freedom of Collective Movement
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How It Works – Human FactorsHow It Works – Human FactorsHow It Works – Human FactorsHow It Works – Human Factors
Pilot’s Response - Instinctive
Lower Collective (Reduce Power) if Appropriate
Result
Pilot Has the Information Needed to Make the Best Decision in a Timely Manner
The Pilot Knows When a Limit Is Being Exceeded
The PILOT DECIDES What To Do
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Collective Collective ShakerShakerCollective Collective ShakerShaker
Dual Speed Shaker Controlled by the Limit Exceedance Computer
Low Speed Shaker - Warning of an Impending Limit
High Speed Shaker - Alert That a Limit Has Been Reached or Exceeded
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How It Works – Collective ShakerHow It Works – Collective ShakerHow It Works – Collective ShakerHow It Works – Collective Shaker
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Shaker Installation in Bell206B3Shaker Installation in Bell206B3
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How It Works – Exceedance ComputerHow It Works – Exceedance ComputerHow It Works – Exceedance ComputerHow It Works – Exceedance Computer
Continuous Real Time Monitoring
Transmission Torque Engine Exhaust Gas Temperature Engine Gas Producer Speed Main Rotor Speed Others
Dual, Programmable Trigger Points
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Exceedance Computer- DiagramExceedance Computer- DiagramExceedance Computer- DiagramExceedance Computer- Diagram
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System CharacteristicsSystem CharacteristicsSystem CharacteristicsSystem Characteristics Shaker
1.1 to 1.4 lbs 2.5” x 4” Approximate Envelope <28 VDC @ 0.5 Amp (1 Amp Surge)
Exceedance Computer 8”L x 5”H x 2.5”W 2.5 lbs Waterproof Dustproof 28 VDC @ < 1 Amp
Reliability / Maintainability Reliability > 22,000 hours @ 40 Degrees C Extensive BIT Maintenance Diagnostics via Laptop R / R Time < 10 Minutes Qualified to DO-160D
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Exceedance AvoidanceExceedance AvoidanceExceedance AvoidanceExceedance Avoidance
OPERATING LIMITS YOU CAN FEEL
Significantly Reduces the Potential for Operating Limit Exceedances
Prevents Exceedances Rather Than Recording Them “After the Fact”
Reduces Unscheduled Maintenance
Improves Situational Awareness- “Eyes Out Of Cockpit”
Increases Operator Safety Margins
Is Effective and Simple to Install
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Safe Flight Instrument CorporationSafe Flight Instrument CorporationSafe Flight Instrument CorporationSafe Flight Instrument Corporation
Powerline Detection -Doubles Pilots Reaction Times -Saves Money and Lives
-Significantly Reduces the Potential for Wire Strikes
Exceedance Warning -Is Inexpensive
-Is Easily Installed
-Will Increase Aircraft Availability Rates
-Will Drastically Reduce Maintenance Costs