• Thumbnail for Ground proximity warning system
    A Ground Proximity Warning System (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an...
    20 KB (2,135 words) - 10:00, 15 May 2025
  • Thumbnail for Terrain awareness and warning system
    The specific systems currently in use are the ground proximity warning system (GPWS) and the enhanced ground proximity warning system (EGPWS). The U...
    27 KB (2,775 words) - 19:20, 4 January 2025
  • Thumbnail for Ansett New Zealand Flight 703
    Tararua Range. Due to reasons unknown, the ground proximity warning system sounded with insufficient warning for the pilots to avert the accident. The...
    21 KB (2,427 words) - 05:53, 4 April 2025
  • Thumbnail for C. Donald Bateman
    was a Canadian electrical engineer and the inventor of the Ground Proximity Warning System (GPWS), a device that is responsible for a marked decline in...
    12 KB (1,372 words) - 16:21, 19 June 2025
  • Thumbnail for Controlled flight into terrain
    terrain awareness and warning systems (TAWS). The first generation of those systems was known as a ground proximity warning system (GPWS), which used a...
    9 KB (841 words) - 14:48, 10 April 2025
  • Thumbnail for Pakistan International Airlines Flight 8303
    In response to the high descent rate and numerous warnings from the ground proximity warning system, the first officer raised the landing gear and speed...
    73 KB (8,533 words) - 17:58, 19 June 2025
  • Thumbnail for Kenya Airways Flight 431
    silence the stall warning. The Ground proximity warning system (GPWS) then sounded briefly, though the radio altimeter sent out warnings seconds after, cutting...
    34 KB (3,334 words) - 08:00, 19 June 2025
  • avoidance warning system / enhanced ground proximity warning system). Both systems provide warnings and verbal instructions. The auditory warnings produced...
    13 KB (1,629 words) - 16:36, 17 May 2025
  • Thumbnail for Warning system
    Fire alarm system Gale warning Ground proximity warning system Indian Ocean Tsunami Warning System International Early Warning Programme J-Alert (Japan)...
    6 KB (530 words) - 21:27, 11 January 2025
  • navigation Ground Proximity Warning System (GPWS) employed on aircraft and missiles, which uses stored digital elevation data combined with navigation system and...
    3 KB (299 words) - 05:31, 8 June 2023
  • Thumbnail for South African Airways Flight 228
    the manufacturer subsequently also recognised the lack of a ground proximity warning system in its aircraft. The accident is the deadliest aviation accident...
    13 KB (1,144 words) - 14:38, 1 May 2025
  • Wildlife Service Train Protection & Warning System Terrain Proximity Warning System, see Ground proximity warning system This disambiguation page lists articles...
    397 bytes (53 words) - 17:52, 22 July 2010
  • Thumbnail for American Airlines Flight 965
    the ground proximity warning system (GPWS) activated, announcing an imminent terrain collision and sounding an alarm. Within a second of this warning, the...
    33 KB (3,332 words) - 05:14, 20 June 2025
  • Thumbnail for Proximity sensor
    Parking sensors, systems mounted on car bumpers that sense distance to nearby cars for parking Inductive sensors Ground proximity warning system for aviation...
    6 KB (534 words) - 18:35, 24 May 2025
  • Thumbnail for Air Inter Flight 148
    The pilots had no warning of the imminent impact because Air Inter had not equipped its aircraft with a ground proximity warning system (GPWS). At the time...
    14 KB (1,453 words) - 09:33, 26 May 2025
  • Thumbnail for Delta Connection Flight 4819
    touchdown, the aircraft's rapid descent triggered the enhanced ground proximity warning system, which sounded a "sink rate" alert in the cockpit. Just before...
    28 KB (2,344 words) - 13:21, 14 June 2025
  • enhancement to the aircraft's terrain awareness and warning system (TAWS) or enhanced ground proximity warning system (EGPWS). Alaska Airlines announced in September...
    4 KB (340 words) - 02:36, 21 February 2025
  • Thumbnail for Electronic flight instrument system
    can update an EFIS system to extend its capabilities. Updates introduced in the 1990s included the ground proximity warning system and traffic collision...
    15 KB (1,922 words) - 20:50, 13 December 2024
  • Thumbnail for Med Jets Flight 056
    the NTSB recovered the cockpit voice recorder, the enhanced ground proximity warning system, which could contain flight data, and the two engines of the...
    26 KB (2,067 words) - 03:54, 18 June 2025
  • Thumbnail for Airborne early warning and control
    An airborne early warning and control (AEW&C) system is an airborne radar early warning system designed to detect aircraft, ships, vehicles, missiles and...
    42 KB (4,645 words) - 09:17, 18 June 2025
  • Thumbnail for Airborne collision avoidance system
    No warning is given if an aircraft does not contain an additional FLARM device. a Ground proximity warning system (GPWS), or Ground collision warning system...
    9 KB (1,064 words) - 21:51, 30 January 2025
  • Thumbnail for Alitalia Flight 404
    was, which also prevented the Ground proximity warning system (GPWS) from reading the situation and sounding a warning. The ILS receiver of the first...
    20 KB (2,328 words) - 01:05, 18 June 2025
  • Thumbnail for Traffic collision avoidance system
    Ground Proximity Warning System Mid-air collision (MAC) Obstacle Collision Avoidance System Portable collision avoidance system Voice warning system "Traffic...
    72 KB (7,738 words) - 04:19, 5 May 2025
  • Thumbnail for Thai Airways International Flight 311
    [citation needed] Seconds before impact, the ground proximity warning system (GPWS) activated, and sounded alarms warning the crew of the imminent collision with...
    16 KB (1,445 words) - 03:58, 6 June 2025
  • Thumbnail for United Airlines Flight 232
    left, left, left, left, left, left, left, left, left, left!" Ground Proximity Warning System: "Whoop whoop pull up. Whoop whoop pull up. Whoop whoop pull...
    81 KB (8,991 words) - 19:08, 18 June 2025
  • Thumbnail for Japan Air Lines Flight 123
    70° and engines were pushed to full power, during which the ground proximity warning system sounded.: 292  In the final moments, as the airspeed exceeded...
    64 KB (6,617 words) - 18:08, 18 June 2025
  • Thumbnail for Air India Express Flight 812
    calls from the first officer to 'go around' and warnings from the enhanced ground proximity warning system. Additional factors included the captain's prolonged...
    64 KB (5,752 words) - 05:46, 15 June 2025
  • Thumbnail for 1986 Mozambican Tupolev Tu-134 crash
    of enquiry blamed the captain for failing to react to the Ground Proximity Warning System. Another theory was that the crew had set the aircraft's VOR...
    58 KB (6,767 words) - 11:48, 24 April 2025
  • Thumbnail for Mount Erebus disaster
    Erebus. At 12:49 pm, the ground proximity warning system (GPWS) began sounding a series of "whoop, whoop, pull up" alarms, warning that the plane was dangerously...
    79 KB (8,583 words) - 13:31, 8 June 2025
  • Thumbnail for Pakistan International Airlines Flight 268
    error. Visibility was poor due to overcast conditions and the ground proximity warning system would not have been triggered in time because of the steep...
    15 KB (1,262 words) - 19:19, 12 June 2025