WO2004059445A3 - Ground proximity warning system and method - Google Patents

Ground proximity warning system and method Download PDF

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Publication number
WO2004059445A3
WO2004059445A3 PCT/US2003/041193 US0341193W WO2004059445A3 WO 2004059445 A3 WO2004059445 A3 WO 2004059445A3 US 0341193 W US0341193 W US 0341193W WO 2004059445 A3 WO2004059445 A3 WO 2004059445A3
Authority
WO
WIPO (PCT)
Prior art keywords
terrain
profile
clear
avoidance
threat
Prior art date
Application number
PCT/US2003/041193
Other languages
French (fr)
Other versions
WO2004059445A2 (en
Inventor
Zachary Reynolds
Richard Ridenour
Cyro Stone
Stacey Rowlan
Original Assignee
Aviat Comm & Surveillance Sys
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aviat Comm & Surveillance Sys filed Critical Aviat Comm & Surveillance Sys
Priority to EP03814370A priority Critical patent/EP1588228A2/en
Priority to AU2003300345A priority patent/AU2003300345A1/en
Priority to CA002510595A priority patent/CA2510595A1/en
Priority to BR0317617-7A priority patent/BR0317617A/en
Publication of WO2004059445A2 publication Critical patent/WO2004059445A2/en
Publication of WO2004059445A3 publication Critical patent/WO2004059445A3/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/04—Anti-collision systems
    • G08G5/045—Navigation or guidance aids, e.g. determination of anti-collision manoeuvers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • B64D45/04—Landing aids; Safety measures to prevent collision with earth's surface
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0073—Surveillance aids
    • G08G5/0086—Surveillance aids for monitoring terrain

Abstract

Methods and systems are disclosed for preventing aircraft collisions with forward looking terrain avoidance (FLTA) functionality based on a terrain avoidance profile used to evaluate potential terrain threats based on the projected flight path of an aircraft in flight, and a clear terrain profile to determine whether the terrain threat has been cleared. If the terrain avoidance profile conflicts with terrain, a collision threat may exist whereby the pilot is notified and a terrain avoidance maneuver is executed. During the terrain avoidance maneuver the clear terrain profile extends in a direction substantially parallel with the horizon at or near the present altitude of the aircraft to check whether it is safe to return to the previous flight path angle or otherwise end the terrain-avoiding maneuver. When the clear terrain profile no longer conflicts with the terrain threat, a terrain clear indicator is then issued to the pilot.
PCT/US2003/041193 2002-12-20 2003-12-22 Ground proximity warning system and method WO2004059445A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP03814370A EP1588228A2 (en) 2002-12-20 2003-12-22 Ground proximity warning system and method
AU2003300345A AU2003300345A1 (en) 2002-12-20 2003-12-22 Ground proximity warning system and method
CA002510595A CA2510595A1 (en) 2002-12-20 2003-12-22 Ground proximity warning system and method
BR0317617-7A BR0317617A (en) 2002-12-20 2003-12-22 Ground Proximity Warning System and Method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/326,544 2002-12-20
US10/326,544 US7064680B2 (en) 2002-12-20 2002-12-20 Aircraft terrain warning systems and methods

Publications (2)

Publication Number Publication Date
WO2004059445A2 WO2004059445A2 (en) 2004-07-15
WO2004059445A3 true WO2004059445A3 (en) 2004-08-19

Family

ID=32680745

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/041193 WO2004059445A2 (en) 2002-12-20 2003-12-22 Ground proximity warning system and method

Country Status (6)

Country Link
US (2) US7064680B2 (en)
EP (1) EP1588228A2 (en)
AU (1) AU2003300345A1 (en)
BR (1) BR0317617A (en)
CA (1) CA2510595A1 (en)
WO (1) WO2004059445A2 (en)

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Also Published As

Publication number Publication date
US7064680B2 (en) 2006-06-20
AU2003300345A8 (en) 2004-07-22
US7570177B2 (en) 2009-08-04
WO2004059445A2 (en) 2004-07-15
US20060097895A1 (en) 2006-05-11
EP1588228A2 (en) 2005-10-26
BR0317617A (en) 2005-11-29
CA2510595A1 (en) 2004-07-15
US20060290531A1 (en) 2006-12-28
AU2003300345A1 (en) 2004-07-22

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