CH-47 Chinook
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CH-47 Chinook
Mi permetto di aprire un thread per celebrare un autentico mito dell'aeronautica: il Chinook. Ieri si è festeggiato il 50° anniversario della consegna del primo esemplare, e il programma non ha nessuna intenzione di fermarsi, anzi, è in pieno sviluppo:
http://boeing.mediaroom.com/index.php?s=43&item=2389
Anche sul nostro Portale si è voluto dare spazio a questo importante anniversario:
http://www.md80.it/2012/08/16/boeing-ce ... o-chinook/
Paolo
http://boeing.mediaroom.com/index.php?s=43&item=2389
Anche sul nostro Portale si è voluto dare spazio a questo importante anniversario:
http://www.md80.it/2012/08/16/boeing-ce ... o-chinook/
Paolo
"La corsa di decollo è una metamorfosi, ecco una quantità di metallo che si trasforma in aeroplano per mezzo dell'aria. Ogni corsa di decollo è la nascita di un aeroplano" (Staccando l'ombra da terra - D. Del Giudice)
Re: CH-47 Chinook
Il Ministero della Difesa ne ha comprati (qualche anno fa) 16 della versione F (ICH-47F) ( http://www.agustawestland.com/product/chinook-ich-47f-0 ) per l'Esercito...prodotti dalla Agusta Westland... Consegne a breve mi pare...
Re: CH-47 Chinook
I primi "passi" ..... quando ancora si chiamava HC-1B .....
http://www.flightglobal.com/FlightPDFAr ... 201500.PDF
..... giusto un anno prima dell' entrata in vigore del Tri-Service aircraft designation system .....
http://en.wikipedia.org/wiki/1962_Unite ... ion_system
http://www.flightglobal.com/FlightPDFAr ... 201500.PDF
..... giusto un anno prima dell' entrata in vigore del Tri-Service aircraft designation system .....
http://en.wikipedia.org/wiki/1962_Unite ... ion_system
Re: CH-47 Chinook
Dall'ultimo numero di "Flight International" .....
..... un lungo editoriale ..... nel quale si ipotizza che .....
http://www.flightglobal.com/news/articl ... =editorialThis month brings the 50th anniversary of the Boeing CH-47 Chinook's service entry - and it is entirely possible that the venerable tandem-rotor helicopter might serve with the US Army for another half-century.
Dunque ..... lunga vita al Chinook .....
Re: CH-47 Chinook
io l'ho visto in costruzione ad inizio giugnoMatteF88 ha scritto:Il Ministero della Difesa ne ha comprati (qualche anno fa) 16 della versione F (ICH-47F) ( http://www.agustawestland.com/product/chinook-ich-47f-0 ) per l'Esercito...prodotti dalla Agusta Westland... Consegne a breve mi pare...
AW169 Final Asssembly Line Electrician
Re: CH-47 Chinook
http://m.youtube.com/#/watch?v=D2tHA7KmRME
Questo e' cio' che accade quando le pale del rotore non rispettano la regola dei 120 gradi di separazione < vale per i rotori tripala > , per fortuna quello mostrato nel video e' un test al suolo .
Questo e' cio' che accade quando le pale del rotore non rispettano la regola dei 120 gradi di separazione < vale per i rotori tripala > , per fortuna quello mostrato nel video e' un test al suolo .
Argo riconobbe Ulisse, Penelope no.
Re: CH-47 Chinook
http://www.flightglobal.com/news/articl ... al-379851/The Boeing CH-47F Chinook helicopter has emerged as the final candidate in India's competition for 15 heavy lift helicopters.
"In the proposal initiated by [the] Indian air force for [the] procurement of 15 heavy lift helicopters, Boeing with the Chinook helicopter has emerged as the L1 vendor," said Indian defence minister AK Antony in a written reply to a question in parliament.
"The cost of the contract would depend upon outcome of the contract negotiation with the L1 Vendor, which has not yet concluded."
The Chinook's rival in the competition was Russia's Mil Mi-26 helicopter.
Re: CH-47 Chinook
Mentre l' Italia acquista altri quattro CH-47F (però nella versione ER - Extended Range destinata alle operazioni speciali) .....
RID ..... http://www.portaledifesa.it/index~phppag,3_id,1829.html .....
..... negli USA parte il programma Chinook Block II ......
FlightGlobal ..... https://www.flightglobal.com/news/artic ... ct-439805/ .....
Boeing ..... http://www.boeing.com/features/2017/07/ ... 07-17.page .....
US DoD ..... https://www.defense.gov/News/Contracts/ ... e/1260389/ .....
L'autorizzazione all'avvio di tale programma era attesa da tempo .....
DefenseNews ..... http://www.defensenews.com/land/2016/01 ... -approval/ .....
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RID ..... http://www.portaledifesa.it/index~phppag,3_id,1829.html .....
..... negli USA parte il programma Chinook Block II ......
FlightGlobal ..... https://www.flightglobal.com/news/artic ... ct-439805/ .....
Boeing ..... http://www.boeing.com/features/2017/07/ ... 07-17.page .....
US DoD ..... https://www.defense.gov/News/Contracts/ ... e/1260389/ .....
L'autorizzazione all'avvio di tale programma era attesa da tempo .....
DefenseNews ..... http://www.defensenews.com/land/2016/01 ... -approval/ .....
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Ultima modifica di richelieu il 31 luglio 2017, 9:55, modificato 1 volta in totale.
Re: CH-47 Chinook
Non so se è stato raccontato già:
la pronuncia corretta non è all'americana, tipo "ciainuk" ma è semplicemente "cinuk"
e si riferisce ad una popolazione di nativi americani e ad un vento caldo e secco.
la pronuncia corretta non è all'americana, tipo "ciainuk" ma è semplicemente "cinuk"
e si riferisce ad una popolazione di nativi americani e ad un vento caldo e secco.
Re: CH-47 Chinook
Grazie .....Lampo 13 ha scritto:Non so se è stato raccontato già:
la pronuncia corretta non è all'americana, tipo "ciainuk" ma è semplicemente "cinuk"
e si riferisce ad una popolazione di nativi americani e ad un vento caldo e secco.
..... https://en.wikipedia.org/wiki/Chinookan_peoples .....
..... https://en.wikipedia.org/wiki/Chinook_wind .....
Più o meno il nostro Favonio ..... https://it.wikipedia.org/wiki/Favonio .....
Personalmente ..... ne ero a conoscenza ..... valga comunque per chi non lo sapeva .....
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Re: CH-47 Chinook
Quattro MH-47G Block II per le Forze Speciali dell'Esercito statunitense .....
..... flightglobal.com ..... "Boeing to supply four MH-47G Block II Chinooks to US army" .....
..... boeing.mediaroom.com ..... "Boeing Receives Contract for Four Special Operations Chinooks" .....
Intanto ..... per quanto riguarda invece la versione CH-47F Block II .....
..... boeing.com ..... "Chinook Block II Program Moves to Final Assembly" .....
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..... flightglobal.com ..... "Boeing to supply four MH-47G Block II Chinooks to US army" .....
..... boeing.mediaroom.com ..... "Boeing Receives Contract for Four Special Operations Chinooks" .....
Intanto ..... per quanto riguarda invece la versione CH-47F Block II .....
..... boeing.com ..... "Chinook Block II Program Moves to Final Assembly" .....
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Re: CH-47 Chinook
Tempo fa lessi su JP4 un bell’articolo sulla macchina. Un pilota ne parlava in termini molto positivi e diceva che “ha bisogno dei suoi tempi per il decollo e l’atterraggio”. Cosa intendeva secondo voi?
Re: CH-47 Chinook
Una proposta di Boeing agli acquirenti del CH-47 .....
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Fonte: flightglobal.com ..... "FARNBOROUGH: Boeing markets CH-47F Chinook upgrades to NATO nations" .....With the first CH-47F Chinook engineering and manufacturing development helicopter loaded into final assembly on 25 June for its Block II upgrades, Boeing is using the Farnborough Airshow to highlight the advantages of its latest improvements to prospective international customers.
Boeing expects to upgrade some 500 Chinooks with Block II capabilities for the US Army at its Philadelphia, Pennsylvania facility in the coming years.
At the moment, the company has a $276 million Army contract to build and test the upgrades on three Chinooks.
Boeing plans to test the helicopters in 2019 and anticipates first delivery in 2023.
The heavy lift cargo helicopter’s Block II upgrades include single cell composite fuel tanks with increased capacity, a new drivetrain, and a new blade that promises extra lift in high and hot situations.
Overall, the aircraft will increase its payload capacity by more than 4,000lb, Boeing says.
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Re: CH-47 Chinook
Boeing collauderà l' elicottero con motori di potenza maggiore ... nonostante non vi sia alcun programma di rimotorizzazione in vista ...
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... flightglobal.com ... "Boeing to test CH-47F Chinook with two 7,500shp engines" ...Boeing plans to soon test fly a CH-47F Chinook Block II helicopter with two GE Aviation T408 turboshaft engines, which each produce 7,500shp (5,600kW).
The GE T408 turboshaft has 2,500shp more than the helicopter’s current engine, the Honeywell T55.
It is certificated and installed on the US Marine Corps’ (USMC) forthcoming heavy lift helicopter, the Sikorsky CH-53K King Stallion.
Upcoming testing is being done under a Cooperative Research and Development Agreement launched in 2016 between Boeing, the US Army and GE Aviation.
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Re: CH-47 Chinook
La Francia ci sta facendo su un pensierino ...
Qualche anno fa ... flightglobal.com ... https://www.flightglobal.com/news/artic ... fe-376425/ ...
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... flightglobal.com ... "France eyes Chinook helicopter acquisition" ...France is considering the acquisition of an undisclosed number of special forces-roled Boeing CH-47 Chinook heavy-lift helicopters for its air force.
Although the French military operates extensive numbers of Airbus Helicopters H225M Caracal and NH Industries NH90 Caiman rotorcraft – both in the 11t class – the country's deployment in Mali has been augmented by three Royal Air Force Chinooks.
That RAF presence was recently renewed for at least six months, and a pair of the tandem-rotor type from the UK also participated in a Paris fly-past as part of the Bastille Day celebrations on 14 July.
Qualche anno fa ... flightglobal.com ... https://www.flightglobal.com/news/artic ... fe-376425/ ...
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Re: CH-47 Chinook
Autorizzata la vendita di 10 CH-47F agli Emitati Arabi Uniti ...
(*) ... dsca.mil ... "United Arab Emirates (UAE) – CH-47F Chinook Cargo Helicopters" ...
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... flightglobal.com ... "UAE requests 10-unit Chinook acquisition" ...US officials have approved the possible sale of 10 Boeing CH-47F Chinook heavy-lift helicopters to the United Arab Emirates.
In a 7 November notification (*), the US Defense Security Cooperation Agency (DSCA) gives the total contract value as $830 million.
(*) ... dsca.mil ... "United Arab Emirates (UAE) – CH-47F Chinook Cargo Helicopters" ...
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Re: CH-47 Chinook
Eventuali forniture a paesi stranieri potrebbero portare all'estensione della produzione fino al 2025 ...
... flightglobal.com ..... "CH-47 Chinook production be stretched to 2025 using foreign sales" ...The US Army believes a combination of domestic and foreign sales will give the Boeing CH-47 production line in Philadelphia, Pennsylvania the minimum demand needed to remain open until at least 2025.
After speaking with Boeing, the service suspects the production line can be sustained at a rate of 18 helicopters annually, says Bruce Jette, assistant secretary of the US Army for acquisition, logistics. and technology.
He made his comments during testimony to the US House Armed Services Committee on 10 March.
Re: CH-47 Chinook
Verranno effettuate prove dimostrative con una nuova, più potente versione del motore T55 ...
(*) ... "Honeywell And U.S. Army To Demo Next-Generation T55 Engine For Chinook Helicopters" ...
flightglobal.com ... "US Army to demo CH-47F with more powerful Honeywell T55" ...Honeywell signed an agreement with the US Army to demonstrate a more-powerful variant of its T55 turboshaft on the Boeing CH-47F Chinook heavy lift helicopter.
The T55-GA-714C engine generates 6,000hp (4474kW), a 25% increase in power compared to the current T55 that is on the twined-engined CH-47, Honeywell says on 4 June (*).
The engine also burns 10% less fuel.
The company claims the new variant of the T55 would also be easier to maintain and have lower operating costs as a result of modifications.
(*) ... "Honeywell And U.S. Army To Demo Next-Generation T55 Engine For Chinook Helicopters" ...
Re: CH-47 Chinook
Boeing ha ricevuto un ulteriore ordine di nove MH-47G Block II destinati allo US Army Special Operations Aviation Command (USASOAC) ...
... boeing.mediaroom.com ... "Boeing Receives $265 Million Chinook Helicopter Order from U.S. Army Special Operations" ...
Boeing recently signed a $265 million contract for nine more MH-47G Block II Chinook helicopters that employees in its Philadelphia plant will assemble for the U.S. Army Special Operations Aviation Command (USASOAC).
Boeing is now on contract for 24 of the next-generation Chinooks.
... boeing.mediaroom.com ... "Boeing Receives $265 Million Chinook Helicopter Order from U.S. Army Special Operations" ...
Re: CH-47 Chinook
Da Singapore all'Australia ...
(*) ... "Singapore expands Oakey Chinook footprint" ...
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... ainonline.com ... "More Singapore Chinooks Go to Australia as Training Expands" ...The Republic of Singapore Air Force (RSAF) is reportedly deploying more Boeing CH-47 Chinook helicopters to its detachment at the Army Aviation Training Centre in Oakey, Australia.
The force increase is confirmed by the Australian Department of Defence, according to Australian Defence Magazine (*).
The report also suggests that 10 of the RSAF’s 16 new CH-47Fs will be deployed there.
The RSAF’s first CH-47F was photographed conducting flight tests in the U.S. in late July.
Deliveries of the Chinooks, and of the new Airbus H225Ms also on order, were delayed from late 2020 to early 2021 due to Covid-19 related issues.
(*) ... "Singapore expands Oakey Chinook footprint" ...
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Re: CH-47 Chinook
MH-47G Block II ... consegnato al SOCOM il primo esemplare ...
(*) ... boeing.mediaroom.com ... Boeing Delivers SOCOM’s First Next-Gen Chinook Helicopter ...
... ainonline.com ... First Block II Chinook for Special Operations Command ...Boeing’s Philadelphia plant has delivered the first example of the MH-47G Block II helicopter to U.S. Army Special Operations Command (USASOC).
The delivery was made “recently”, and was “on time” according to a September 1 company release (*).
“This delivery marks a major step for the Chinook program,” said Andy Builta, V-P and H-47 program manager.
“The new Chinook will give U.S. Special Operations Forces significantly more capability for extremely challenging missions.”
(*) ... boeing.mediaroom.com ... Boeing Delivers SOCOM’s First Next-Gen Chinook Helicopter ...
Re: CH-47 Chinook
Lanciato un programma "multi-missione" per la versione civile ...
Anche qui … colheli.com … Columbia Helicopters Unveils Multi-Mission Helicopter Program …
… ainonline.com … Columbia Launches Multi-Mission Program For 234 Chinooks …Columbia Helicopters has unveiled its multi-mission helicopter program featuring its Model 234 Chinook tandem-rotor, heavy-lift helicopters.
Certified to civilian transport category standards, the base Model 234 is not subject to military surplus aircraft or International Traffic in Arms Regulations (ITAR) restrictions.
The 234 is capable of lifting external loads up to 25,000 pounds and features a suite of Columbia customizations designed to rapidly reconfigure the aircraft for missions including fire suppression, long-line cargo, passenger and/or medevac transport, palletized internal cargo, disaster relief, and mass evacuations.
Anche qui … colheli.com … Columbia Helicopters Unveils Multi-Mission Helicopter Program …
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Re: CH-47 Chinook
Completato con successo l’H-47 Chinook demonstration program con i nuovi motori T408 di GE Aviation:
https://www.md80.it/2021/05/12/completa ... 8-engines/
Paolo
https://www.md80.it/2021/05/12/completa ... 8-engines/
Paolo
"La corsa di decollo è una metamorfosi, ecco una quantità di metallo che si trasforma in aeroplano per mezzo dell'aria. Ogni corsa di decollo è la nascita di un aeroplano" (Staccando l'ombra da terra - D. Del Giudice)
Re: CH-47 Chinook
Dalla pagina "Contracts" del DoD del 22 Giugno 2021 ...
&
Anche qui … boeing.mediaroom.com … Boeing to Boost UK Royal Air Force Chinook Fleet …U.S. SPECIAL OPERATIONS COMMAND
The Boeing Co., Ridley Park, Pennsylvania, received a delivery order in the amount of $580,598,636 on a previously negotiated option under a basic ordering agreement W91215-16-G-0001 for 14 H-47 extended range rotary wing aircraft that satisfy the United Kingdom’s requirement for heavy assault, rotary wing aircraft.
This modification exercises an option that was awarded on an existing delivery order.
Foreign Military Sales funding from the United Kingdom in the amount of $580,598,636 is being obligated at the time of award.
The majority of the work will be performed in Ridley Park, Pennsylvania, and is expected to be completed by July 2026.
This is a non-competitive award and is in accordance with Federal Acquisition Regulation 6.302-1.
U.S. Special Operations Command, Tampa, Florida, is the contracting activity.
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Re: CH-47 Chinook
Ulteriori dettagli qui ...
… ainonline.com … UK’s Royal Air Force Orders More Chinook Helicopters …
&
… ainonline.com … UK’s Royal Air Force Orders More Chinook Helicopters …
&
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Re: CH-47 Chinook
"La corsa di decollo è una metamorfosi, ecco una quantità di metallo che si trasforma in aeroplano per mezzo dell'aria. Ogni corsa di decollo è la nascita di un aeroplano" (Staccando l'ombra da terra - D. Del Giudice)
- JT8D
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Re: CH-47 Chinook
La Spagna riceve il suo primo Upgraded Chinook:
https://www.md80.it/2022/02/02/boeing-p ... la-spagna/
Paolo
https://www.md80.it/2022/02/02/boeing-p ... la-spagna/
Paolo
"La corsa di decollo è una metamorfosi, ecco una quantità di metallo che si trasforma in aeroplano per mezzo dell'aria. Ogni corsa di decollo è la nascita di un aeroplano" (Staccando l'ombra da terra - D. Del Giudice)
Re: CH-47 Chinook
Chinook per la Svizzera?....E' possibile. In corso il programma denominato "Elicotteri pesanti". Potete dare un' occhiata a un post che ho scritto ieri in questo forum
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Re: CH-47 Chinook
Boeing e Airbus Helicopters hanno firmato oggi un Memorandum of Understanding (MOU) per collaborare sull’H-47 Chinook a sostegno dei Germany’s Schwerer Transporthubschrauber (STH) heavy-lift helicopter requirements:
https://www.md80.it/2022/03/25/boeing-e ... -germania/
Paolo
https://www.md80.it/2022/03/25/boeing-e ... -germania/
Paolo
"La corsa di decollo è una metamorfosi, ecco una quantità di metallo che si trasforma in aeroplano per mezzo dell'aria. Ogni corsa di decollo è la nascita di un aeroplano" (Staccando l'ombra da terra - D. Del Giudice)
Re: CH-47 Chinook
Il Dipartimento di Stato ha approvato la possibile vendita all'Egitto di 23 elicotteri Chinook completi dei relativi equipaggiamenti ...
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… dsca.mil … Egypt - CH-47F Chinook Helicopters …The State Department has made a determination approving a possible Foreign Military Sale to the Government of Egypt of CH-47F Chinook Helicopters and related equipment for an estimated cost of $2.6 billion.
The Defense Security Cooperation Agency delivered the required certification notifying Congress of this possible sale today.
The Government of Egypt has requested to buy twenty-three (23) CH-47F Chinook helicopters; fifty-six (56) T-55-GA-714A engines (46 installed, 10 spares) ...
&
- JT8D
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Re: CH-47 Chinook
Il governo tedesco ha annunciato di aver selezionato il CH-47F Chinook per i suoi heavy-lift helicopter requirements:
https://www.md80.it/2022/06/01/boeing-l ... f-chinook/
Paolo
https://www.md80.it/2022/06/01/boeing-l ... f-chinook/
Paolo
"La corsa di decollo è una metamorfosi, ecco una quantità di metallo che si trasforma in aeroplano per mezzo dell'aria. Ogni corsa di decollo è la nascita di un aeroplano" (Staccando l'ombra da terra - D. Del Giudice)
Re: CH-47 Chinook
La notizia ... secondo un noto ex-settimanale britannico ...
&Chinook wins out in German heavy-lift helicopter contest ...
By Dominic Perry - 1 June 2022 ...
Germany intends to acquire 60 Boeing CH-47 Chinooks for a long-running effort to replace the elderly Sikorsky CH-53G helicopters operated by its air force.
Defence minister Christine Lambrecht disclosed the selection of the Chinook in a speech to German lawmakers on 1 June.
However, parliamentarians must still approve the purchase.
Germany’s defence ministry says the decision is “strengthening our ability to co-operate with Europe”.
It describes the tandem-rotor CH-47 as “modern, proven and already being used by NATO partners”.
Aside from the USA, NATO allies operating the Chinook include Canada, Greece, Italy, the Netherlands, Spain, Turkey and the UK.
Selection of the CH-47 is a blow for rival Lockheed Martin, which had been offering the Sikorsky CH-53K King Stallion for the heavy-lift helicopter contest.
Germany currently operates a total of 80 CH-53G/GA/GS helicopters delivered in the early 1970s, according to Cirium fleets data.
The new helicopters will be acquired via the USA’s Foreign Military Sales process.
German industry will nonetheless be involved in the sustainment and in-country modification of the rotorcraft, including Airbus Helicopters, which in March signed a memorandum of understanding with Boeing relating to the project.
Other members of the Chinook Deutschland Industry Team include AERO-Bildung, CAE, ESG Elektroniksystem-und Logistik, Honeywell Aerospace, Lufthansa Technik, and Rolls-Royce Deutschland.
Berlin has been attempting to replace the CH-53G fleet for the best part of a decade, including a bungled previous procurement which was cancelled in September 2020 due to cost errors.
A German court ruled last December that the termination of that effort was legal, clearing the way for the current contest.
Ultima modifica di richelieu il 1 giugno 2022, 22:43, modificato 1 volta in totale.
Re: CH-47 Chinook
E secondo "DefenseNews" ...
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… defensenews.com … Boeing wins bid for Germany’s multibillion-dollar helo program …The German government will purchase 60 Boeing Chinook heavy-lift helicopters to equip the armed forces in a deal reportedly worth upwards of $4 billion, according to a Ministry of Defense announcement on Wednesday.
The CH-47F Block 2 “Standard Range” variant aircraft are refuelable during flight, a key requirement for the German armed forces, the statement said.
They are slated to replace the Bundeswehr’s fleet of aging CH-53, made by Lockheed Martin’s Sikorsky.
Lockheed also had put in a bid for the contract, offering its CH-53K King Stallion.
The Chinook’s lower per-unit price made the difference, according to the Ministry of Defense, as it would allow Berlin to buy the maximum number of aircraft out of a range previously billed as 45 to 60 copies.
That, in turn, would increase “operational flexibility” with a helicopter type used widely among NATO partners.
&
Re: CH-47 Chinook
Una serie di incendi ai motori ha costretto l'US Army a mettere a terra, quale misura precauzionale, l'intera flotta di elicotteri CH-47 Chinook ...
… armytimes.com … Army grounds entire CH-47 Chinook helicopter fleet over engine fires …The Army has grounded the entirety of its CH-47 Chinook helicopter fleet “out of an abundance of caution” after an undisclosed number of recent engine fires, the service confirmed Tuesday evening.
The Wall Street Journal first reported the move to shut down the Boeing-made fleet.
No deaths or injuries occurred due to the fires.
In a statement emailed to Army Times, Army spokesperson Cynthia Smith attributed the issue to fuel leaks.
She indicated that the service has “identified the root cause” of the leaks and “is implementing corrective measures to resolve this issue.”
Re: CH-47 Chinook
L'Esercito degli Stati Uniti ha ordinato altri due Chinook CH-47F Block II potenziati ...
Anche qui … psk.blog.24heures.ch … Nouvelle commande de CH-47F Block II aux USA ! …
… boeing.mediaroom.com … U.S. Army Orders Additional Enhanced CH-47F Block II Chinooks …The U.S. Army is continuing to modernize its heavy-lift helicopter fleet with an order for two more Boeing CH-47F Block II Chinooks and long lead funding for additional aircraft.
“Modernizing the Chinook for our Army customer is a priority,” said Ken Eland, Boeing vice president and H-47 program manager.
“CH-47F Block II improves readiness, limits future sustainment costs and provides commonality across the fleet. We're dedicated to making CH-47F Block II the best option for the Army's heavy lift mission, now and well into the future."
The CH-47F Block II Chinook is powered by cutting-edge technologies - including redesigned fuel tanks, a strengthened fuselage and an enhanced drivetrain.
Anche qui … psk.blog.24heures.ch … Nouvelle commande de CH-47F Block II aux USA ! …