Talk:Ground proximity warning system
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The U.S. FAA defines GPWS as a type of terrain awareness warning system.[1] More advanced systems, introduced in 1996,[2] are known as enhanced ground proximity warning system, although sometimes confusingly labeled with the TAWS term.
I think this should be rephrased.
As far as I know, the EGPWS is a TAWS. TAWS is the system, EGPWS is a product (from Honeywell) which implements the TAWS system. There are also other products implementing the TAWS system available on the market (from Garmin, Sandel, Shelton, ACSS/Thales).
As far as I know (once again), all TAWS systems include the GPWS system. GPWS is both a system and a product (Honeywell), as Honeywell managed to get their product name GPWS to be used to designate the GPWS system.
See FAA TSO-C92c (GPWS) & TSO-C151b (TAWS) for more information.
--Laomai Weng (talk) 15:03, 5 January 2010 (UTC)[reply]
I changed this statement (because it was not accurate):
"Since the U.S. Federal Aviation Administration required large airplanes to carry such equipment in 1974, there has not been a single CFIT crash by a jet in U.S. airspace.[2]"
to read as follows:
"Since the U.S. Federal Aviation Administration required large airplanes to carry such equipment in 1974, there has not been a single passenger fatality, in a CFIT crash by a large jet in U.S. Airspace.[2]"
Although the original statement was derived from a speech by a FAA expert [2], it was not accurate, since there were three CFIT crashes of large jets in US airspace, after 1974.
December 18, 1977, a UAL DC-8 freighter crashed into high terrain, while in a holding pattern, near Salt Lake City.
April 13, 1987, a Buffalo Airways 707-321C freighter crashed short of the runway, while conducting an ILS approach to the Kansas City airport.
June 2, 1990, a Mark Air 737-200 crashed into rising terrain, while it was conducting a non-precision approach to the Unalakleet, Alaska airport.
All three were CFIT crashes of large jets, and all three only had flight crew and/or authorized company personnel on board. I also inserted the word "large," because there have been one or more small jet (Lear Jet size) CFIT accidents too.
EditorASC 13:42, 23 June 2007 (UTC)[reply]
Probably not a necessarily good idea since, at least for military fast jet aircrew, "Bitching Betty" (also called "Nagging Nora" in UK), is usually understood to include all the voice messages produced by all cockpit warnings, not just those from GPWS. 20.133.0.13 (talk) 12:47, 7 December 2007 (UTC)[reply]
Don't merge, it is a bad idea to merge because other systems, like TCAS, also use cockpit voices --66.32.178.63 (talk) 21:13, 21 December 2007 (UTC)[reply]
Eurofighter Typhoon apparenty has over 200 different cockpit voice warnings, only a few of which are associated with GPWS. I would expect other modern fighter aircraft are much the same. A merge here is definitely not a good idea. In fact, more detail on cockpit voice warnings would be a better idea. Wittlessgenstein (talk) 22:43, 22 December 2007 (UTC)[reply]
Dont Merge Although I had never heard of term 'bitchin betty', it is mildly humorous, but it doesnt clarify the source, EGPWS, TCAS, RadAlt, etc.B744B763 (talk) 04:59, 13 February 2008 (UTC)[reply]
Although Don Bateman and team are credited with design and develoment, I think they were working under the old Allied-Signal banner, prior to Honeywell.. EGPWS was definetly developed in late 90's prior to the merger.. Unable to find an authoritive reference. B744B763 (talk) 00:50, 11 March 2008 (UTC)[reply]
The original patent for a 'Ground Proximity Warning System Utilizing Radio and Barometric Altimeter Combination' No: 3,715,718 was filed by Ralph A. Astengo on Aug 11, 1970 so why is Don Bateman credited with the invention of the GPWS? His patent 3,922,637 only expands on the GPWS to provide added protection during a landing approach using a waypoint signal from an area navigation beacon. The correct inventor should be credited in an entry entitled GPWS--Corkery (talk) 13:42, 10 September 2014 (UTC). —Preceding unsigned comment added by Corkery (talk • contribs) 10:40, 6 June 2008 (UTC)[reply]
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