Talk:De Havilland Canada Dash 7
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recent/current incident
[edit]Apparently the BAS Dash 7 had a problem on landing at Sky Blu when one engine had the reverse thrust malfunction - this resulted in the aircraft skidding round on the ice. The aircraft is currently stranded at Sky Blu, whilst equipment, engineers and a new engine are being ferried out to it in BAS Twin Otters. The Dash 7 is tethered to holes cut in the ice and chocked into a bay cut into snow - all to give some protection from strong winds.
All this is "word of mouth" - does anyone have any sources (now, or likely in the near future) that may provide sufficient for addition to the article?ThoughtIdRetired (talk) 23:42, 26 December 2019 (UTC)
lower case title
[edit]I have reverted the edits by User:Username006 and here, I hope, is an answer to the question:
The name de Havilland has the first part start with a lower case letter. That is the way people with this name want it to be, so that is the way it is. You will find that all (I believe - not going to check every one) of the Wikipedia articles on aircraft made by de Havilland adhere to this spelling convention. Therefore, I think we can take it that there is a consensus of editors on the matter.
WP:NCLOWERCASEFIRST explains why names of his sort are a problem for Wikipedia. ThoughtIdRetired (talk) 16:46, 3 January 2022 (UTC)
@ThoughtIdRetired: Thank you. I might have been mistaken here. I suggest the same for De Havilland Canada Dash 8 then as I was basing it off of that. Username006 (talk) 17:54, 3 January 2022 (UTC)
- Nevermind, as the name of the manufacturer changed sometime in the 2010's. Username006 (talk) 18:02, 3 January 2022 (UTC)
Current airline and other operators
[edit]I have added a banner, as there seems to be some sort of witchcraft going on. The article states only 17 remain in service, and yet with over 20 airlines apparently operating them, and over twenty countries with operators!?!? There must be an error somewhere. 12:48, 24 June 2022 (UTC) Chaosdruid (talk) 12:48, 24 June 2022 (UTC)
- They are only five operators listed in current airlines, the rest are in former operators. MilborneOne (talk) 17:56, 24 June 2022 (UTC)
"Takeoff distance" and "Landing run" missing
[edit]As declared a STOL-plane some values should be given in the "Specifications" section for the /7. 46.114.5.208 (talk) 13:04, 25 January 2024 (UTC)
Done -- Valjean (talk) (PING me) 15:59, 25 January 2024 (UTC)
about the "range" in statute miles.
[edit]Hello fellow Wikipedians,
I'm aware of a "citation needed" regarding the captioned, i.e.
"The original specification called for an aircraft with fairly short range of 200 statute miles,[citation needed] "
As I come across an internet website (with author name of the description included), found a description "700nm", converted to kilometers becomes 1296.4km (the author round-up to 1296km anyway).
By a conversion formula, metioned from 2 different websites, both said:
sm = nm · 1.15
thus based on the above I obtained,
statute miles = 700·1.15 = 805
The above-mentioned become the main content. Kindly gives comment where necessary. KCLAW1207 (talk) 09:52, 9 March 2024 (UTC)
- Later on I found a website of BAE Systems mentioned a range "795 miles", for the 50-passenger DHC-Dash 7 (Srs 100).
- (the above information is added in the format of footnote)
- Website: https://www.baesystems.com/en/heritage/de-havilland-canada-dhc-7-dash-7
- Some difference is expected, one og the reason would be, the original design was a 40-passenger one.
- Kindly please advise whether the "805 miles" from my calculation is reasonably "sound" for including to the main text. KCLAW1207 (talk) 10:53, 9 March 2024 (UTC)
- Please also refer to this (wiki) article, under the sub-heading "Specification", mentioned,
- Range: 690 nmi (790 mi, 1,280 km) (with 50 passengers and baggage) KCLAW1207 (talk) 11:33, 9 March 2024 (UTC)
There seem to be some RS that back the 200 mile range: [1][2][3] -- Valjean (talk) (PING me) 17:17, 10 March 2024 (UTC)
- For literatute 1 (year 2019),
- I found the statement below,
- "During 1980, DHC reported that the U.S.-based Dash 7 fleet was flying an average stage length of 140 miles in scheduled service and had achieved a dispatch reliability of 99.1 per cent."
- The amount "140 miles" seems to be obtained via onservation on records from actual use, thus it may or may not reflect the statute mile during design / development stage.
- Meanwhile, I found another information from literature 1 as nelow:
- British Antarctic Survey (BAS) – Cambridge, United Kingdom / DHC-7 Fleet: 1
- "Since 1994, the BAS has flown its Dash 7 south to its base at Rothera on Antarctica. From October until March, it shuttles personnel and supplies between Rothera and Stanley, Falkland Islands (1,155 SM) and to Punta Arenas, Chile (1,015 SM)."
- When reading this, I even afraid of the amoumt 805 miles may be even smaller, having said that, this literature also mentioned: "British Antarctic Survey fitted its Dash 7 with long-range fuel tanks with a fuel jettison system..." at photo caption, thus the 1155 SM may be unachievable by adopting solely the original design.
- 3rd literature, the amount "200" appears at:
- "On a 200-mile stage, for example, it will use 40% less fuel per seat..."
- The "200-mile" seems to me as a figure to discuss fuel economy.
- While this 3rd literature did mention "50 seats into runways as short as 2000 feet."
- These two pieces of information echos with wiki's main text and also echos with other literature.
- Although literatures 1 & 3 may not explicitly offer a "proof" the statute miles at the design stage of DHC Dash 7, even so, really grateful for providing these 2 literatures, some content inside may deserves adding to the wiki article. KCLAW1207 (talk) 10:56, 11 March 2024 (UTC)
- For literatue 2, it was published on 26 Dicembre 2012.
- For the wiki's text, checked that the original text below was added to wiki on 5 FEB 2006.
- "The original specification called for a 40-passenger aircraft with a range of only 200 statute miles, operating from runways only 2,000 ft long."
- When reading literature 2 (year 2012 one), I feel that the text there was "too similar", if not the same (i.e. would it be a direct copying? I wonder) when comparing with the wiki text, thus even literature 2 also appeared in front of me during my editing, I did not take that as a reference. KCLAW1207 (talk) 11:05, 11 March 2024 (UTC)
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