Gulfstream G550 ISR

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yayoune
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Re: Gulfstream G550 ISR

Message par yayoune » 09 février 2018, 22:53

camron29 a écrit :
09 février 2018, 22:10
Mais le montant n'est t-il pas exagéré pour ces 3 avions ISR ???
si on fait la comparaison avec le contrat Australien qui a acheté cinq Gulfstream G550 pour un montant 1.7 milliards on va dire que non mais reste a voir l'équipement des deux différent contrat .

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camron29
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Re: Gulfstream G550 ISR

Message par camron29 » 09 février 2018, 22:57

Je pense qu'ils seront utilisés pour encadrer la partie sahel, càd hors de nos frontières. Déjà l’Amérique et la France sont plantés à coté.


tayeb
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Re: Gulfstream G550 ISR

Message par tayeb » 09 février 2018, 23:12

En tout cas ce contrat fait énormément parler...

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camron29
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Re: Gulfstream G550 ISR

Message par camron29 » 09 février 2018, 23:39

Regarder juste son autonomie et sa configuration. ça sent le grand sahel sans ou avec une collaboration indirecte, soit la France et/ou l’Amérique !

Quel interet de les survoler à l'intérieur quand il y en a ce qui sont dédiés pour.

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Chifboubara
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Re: Gulfstream G550 ISR

Message par Chifboubara » 10 février 2018, 04:29

deyaziz a écrit :
09 février 2018, 15:11
Merci beaucoup Tayeb pour tes efforts :avo: :avo: Ou'Allahi tu ma soulagé dune épine qui me faisait très mal depuis que j'ai lu l'histoire de l'annulation de la commande ainsi que l'article concernant l’intervention US-Israel-KSA en faveur du pays voisin je me faisais un énorme souci car sa ma rappelé l'histoire des Fremm avec les français qui au lieu de vendre 4 exemplaires a l’Algérie ils sont en vendu une seule, chah fihoum.
Oui merci à Tayeb.

Je ne suis pas aussi pointu que vous sur cette partie et j'essaye d'avoir une vue d'ensemble sur ce genre de matériel stratégique pour l'immensité du territoire à surveiller.

Je n'ai pas gobé les chansons colportées ça et là mais j'avoue être rassuré. J'avais peur également d'un coup fourré avec des promesses sans concrétisation pour faire perdre du temps à l'ANP et favoriser le voisin.

(Le retard côté algérien compensant le moins de moyens de ce dernier CQFD)
«Partout où je vais les gens me tendent la main pour demander quelque chose, sauf en Algérie où les gens m'ont tendu la main pour, au contraire, m'offrir quelque chose» Yann Arthus Bertrand
«Le grand art, c'est de changer pendant la bataille. Malheur au général qui arrive au combat avec un système» Napoléon Bonaparte


malikos
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Re: Gulfstream G550 ISR

Message par malikos » 16 février 2018, 22:12

saladin a écrit :
20 juin 2016, 10:04
Tres bonne nouvelle, enfin un bond dans ce domaine, surtout en ces jours où ces appareils nous permettront des surveiller les mouvements des hordes de l'EI sur une bande de 100 km au delà de nos frontières avec la Libye, ça permettra à nos forces armées d'avoir de l'avance sur n'importe quel projet d'attaque terroriste de masse de l'EI, sans être obligé de mobiliser un si grand nombre d'homme sur les frontières.
anzar a écrit :Reste à savoir si la solution des drones ISR est abandonnée ou pas :?:
Tiens Anzar, je ne savais pas qu'il y'avait un intérêt des nôtres pour ce genre de solutions, pour être abandonné; tu as des infos ?
Si j ai bien compris ce dual ASEA tap jusque a 300km.
Il est optimiser pour la terre et pas pour surveiller l espace aerien.

https://www.raytheon.com/capabilities/p ... /sentinel/
The Sentinel R Mk 1 fleet is a key C4ISTAR asset for the UK’s armed forces. Operated by the Royal Air Force’s No5 Army Cooperation Sqn, the Airborne Stand-off Radar (ASTOR) system incorporates the Sentinel and ground components with the aircraft’s powerful active electronically-scanned array (AESA) ‘dual mode’ surveillance radar, combining the best in ground moving target indicator (GMTI) and synthetic aperture radar (SAR) imagery, for unparalleled situational awareness.

The imagery is passed by secure data links to ground stations at all levels of command and control. By operating at high altitude, and at considerable long range stand-off distances, the radar platform is able to remain over safe territory while providing an excellent “look-down” angle of the target area.

The fleet of five special mission aircraft house an innovative airborne mission management system that provides troops with continuous 24-hour wide area, all weather, air-to-ground surveillance capabilities by scanning areas from a safe ‘stand-off-distance’, safeguarding coalition forces by delivering actionable, accurate, information. The platform is a recognised force multiplier that enables commanders to direct the most effective utilisation of the assets at their disposal.
The United Kingdom's ASTOR (Airborne Stand-Off Radar) program is a business-jet-based, ground-surveillance radar; this system employs a passive phased array design. The radar will be a SAR- MTI system based on the Hughes “Advanced Synthetic Aperture Radar Type 23 (ASARS-2)” radar system, used on the US Air Force U-2 reconnaissance aircraft. Marconi Radar & Countermeasures systems will develop the new, larger 4.6 meter (15 foot) antenna for the ASTOR SAR system, with the antenna accommodated by a canoe fairing under the forward fuselage of the aircraft. “Raytheon” as the radars manufacturer has recognised the potential of Bombardier's Global Express® aircraft designed for long-range business use and special operations.

The ASTOR SAR will have a low-resolution wide-area swath mode, and a spot mode for high resolution imaging of specific targets. Best resolution in spot mode from operating altitude will be under 30 centimeters (1 foot). The antenna will be electrically steered, though it will have a narrow “blind spot” in front of and behind the aircraft. The ASTOR SAR system will have a maximum surveillance range of between 250 and 300 km. Although there has been talk of fitting electro-optical sensors as well, that is not part of current ASTOR plans.

The UK Ministry of Defense requires the ASTOR ground system to be modular, transportable and have the capacity for advanced SAR/MTI exploitation. Up to 8 ground stations receives all imagery data and analyses and distributes it in near-real time to UK and NATO secure systems.

Initial operational capability is expected in 2007, with the full fleet in operation in 2008.
The complete system will include five Sentinel R Mk I aircraft, each equipped with dual-mode (SAR and Moving Target Indicator) radar and operator workstations where the mission management and imagery can be exploited and then transmitted to the various brigade and divisional/joint level ASTOR ground stations by datalink.

The radar operates at high altitude and in all weathers to provide high resolution. ASARS-2 has been reported to provide images of the battlefield at ranges of 160 km, at altitudes up to 47,000 feet.
http://www.radartutorial.eu/19.kartei/0 ... 02.en.html

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HADDAD
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Re: Gulfstream G550 ISR

Message par HADDAD » 26 août 2018, 20:56

https://www.congress.gov/senate-communi ... /3943?r=18
SENATE COMMUNICATION
Congressional Record Date: 01/09/2018

Abstract:
A communication from the Assistant Secretary, Legislative Affairs, Department of State, transmitting, pursuant to section 36(c) of the Arms Export Control Act, the certification of a proposed license for the export of Intelligence and Surveillance Aircraft and associated Ground Stations to the Republic of Algeria in the amount of $50,000,000 or more (Transmittal No. DDTC 16-140); to the Committee on Foreign Relations.
Referred to Committee Date:
01/09/2018 — Senate Foreign Relations
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malikos
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Re: Gulfstream G550 ISR

Message par malikos » 30 août 2018, 02:40

The mystery of Algeria’s ISR Gulfstreams
Posted 6 June 2018 · Add Comment

Delays to the work on three special mission Gulfstreams 550s are causing the Algerian Air Force some real concerns. Alan Warnes reports.



It has been more than two years since a $1.1 billion deal with Raytheon for three intelligence surveillance and reconnaissance (ISR)-configured Gulfstream 550s was signed. Yet, according to sources, little progress has been made on integrating new systems on the business jets.
The contract, brokered by Algerian Forces joint chief of staff, General Ahmed Gaid Saleh, is causing a scandal in Algeria.
Raytheon, or Greenville-based E-Systems which it bought, has in the past supplied similar ISR-configured business jets, like the Sentinel R1 (Global Express) to the UK RAF. Since then it has been looking to gain a bigger foothold in special mission systems integration, and this deal went some way to achieving that.
Raytheon regards this kind of work as ‘multi-int ISR’. At the Paris Air Show last June, the company’s vice president, business development, Jim Hvizd, said it had generated around $2 billion in special mission aircraft business over the past four years. He wouldn’t add detail, but it would have included the Algerian G550s, and another G550 destined for the US Navy range support at NAWC Point Mugu.
Not being a systems integrator, the US aerospace giant outsourced the Algerian work to US-owned Field Aerospace, based at Will Rogers World Airport in Oklahoma. This is where the three Gulfstream 550s, N543RN c/n 5543, N546RN c/n 5546 and N550RN c/n 5550 (ex N750GA) are all currently housed.
Field’s past work has included the US Air Force’s KC-10 and KC-135, but among its boasts is that of an ISR integrator. However, it appears no work on the integration of Raytheon’s systems on the three Gulfstream 550s has so far been started.
According to our sources, Field Aerospace has realised it is unable to carry out the integration, with several reasons being cited: “There is not enough power being generated on board the aircraft to keep the multi-spectral systems working and, while a bigger generator is required, it has not been delivered.”
The same source continued: “Secondly, modifications to the aircraft’s airframe to accommodate the system will be so cumbersome, and cause so much drag, that the flight management load systems and on-board software needs to be completely re-written.”
Another issue is that, due to US international traffic in arms regulations (ITAR), sensors like the DB-110 tactical dual band day/night reconnaissance system, an exportable version of the U-2’s SYERS system, have to be downgraded “at added cost to the Algerian Air Force.”
Instead of an active electronically scanned array (AESA) radar, the Gulfstreams are going to be fitted with a ‘repackaged recycled version of the old Raytheon HISAR radar called HISAR 3000, with a mechanical steering antenna.
There’s no robust electronic counter measures (ECM) either, just peacetime functions.
The older HISAR system is already operational on the Algerian Air Force’s fleet of Beech 1900s, acquired in the early 2000s.
Algeria also wanted to integrate two L3 Wescam MX-20 electro optical/infrared turrets, which include a laser-designator. But, under the ITAR restrictions, these are banned.
It is unclear if General Saleh is looking to take legal action against Raytheon for not fulfilling the contract. However, it seems he has now turned his attention to Italy’s Leonardo to supply up to six MC-27J Spartans, which is not going down well with key figures in the Air Force Command. “It is not a dedicated ISR aircraft and the concept of operations doesn’t sit well within our aspirations to have an inter-operable system,” commented one source. “It has been to Algeria, but we weren’t impressed and it is untried by any export customers, so why is he now looking at this aircraft rather than a tried-and-tested strategic ISR platform?”
While all this unfolds, Algeria has seen its plans for an integrated strategic and tactical ISR capability unravel. When asked to comment, Raytheon had not responded by the time African Aerospace was going to press.
Meanwhile, neighbour and long-time foe, Morocco, is also looking to procure four strategic ISR platforms, aimed at defeating Algeria’s deadly S-300 surface-to-air missile (SAM) systems and Su-30s multi-role fighters acquired from Russia.
There is also the possibility these could eventually be augmented by the impressive S-400 Triumf.
The two types under consideration are the Gulfstream 550 offered by Texas based L-3, while Israel’s Elta is offering either the Global Express 6000 or the Gulfstream 550. A decision is likely to be made by the end of the year and will significantly increase Morocco’s already impressive integrated air defence system.
Highly sophisticated ISR platforms like these are now becoming increasingly popular because they are being modified to cover several key aspects of intelligence gathering, such as electronic intelligence (ELINT), communications intelligence (COMINT), signals intelligence (SIGINT) and electronic support measures (ESM). As such, they are becoming increasingly popular with the Arab Coalition fighting in Yemen.
Saudi Arabia is considering such a system for integration on a Bombardier Global 6000 business jet, while the United Arab Emirates has contracted the UK’s Marshall Aerospace and Defence Group to work on two ISR-configured Global 6000s.https://www.africanaerospace.aero/the-m ... reams.html

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Re: Gulfstream G550 ISR

Message par Sheev » 30 août 2018, 21:21

29637366273_e72b083f28_b.jpg
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Re: Gulfstream G550 ISR

Message par deyaziz » 30 août 2018, 22:02

Des nouvelles ? le n° d'immatriculation 750GA ?
Dernière modification par deyaziz le 30 août 2018, 22:06, modifié 1 fois.


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Re: Gulfstream G550 ISR

Message par tayeb » 30 août 2018, 22:03

Y a une explication pour les photos ? A qui appartient l’appareil , quelle date , quelle source ... je sais pas moi...


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Re: Gulfstream G550 ISR

Message par tayeb » 30 août 2018, 22:15

Si tu penses que le N750GA est notre appareil tu te trompes , l’appareil est de 2011.

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Re: Gulfstream G550 ISR

Message par anzar » 30 août 2018, 22:17

L'article cité par malikos donne les immatriculations temporaires des 3 G550 qui sont chez Raytheon pour le contrat. Cependant il apparaît qu'il y a eu du changement puisque l'article disait que c'était en stand by à cause des clauses Blue Lantern et de contraintes techniques. Mais vu que ça passe au comité des affaires étrangères samedi c'est que le dossier avance
Image

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HADDAD
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Re: Gulfstream G550 ISR

Message par HADDAD » 30 août 2018, 22:18

https://www.janes.com/article/77756/mys ... tream-550s
Mystery continues to surround the Algerian Air Force’s USD1.1 billion deal for three intelligence, surveillance, and reconnaissance (ISR)-configured Gulfstream 550 aircraft.

The contract, brokered by the Algerian armed forces’ Joint Chief of Staff, General Ahmed Gaid Salah, was signed with aerospace giant Raytheon in late 2015, yet more than two years later the work appears to have stalled.

Raytheon outsourced the Algerian business to US-owned Field Aerospace, based at Will Rogers World Airport in Oklahoma. This is where the three Gulfstream 550s – N543RN (serial number 5543), N546RN (5546), and N550RN (5550; ex-N750GA) – are currently housed. Field’s past work has involved the KC-10 and KC-135 tankers operated by the US Air Force (USAF), but the company also states on its website it is an ISR systems integrator.
N750GA c'est lun des 3 G550 ISR


:arrow: Will Rogers World Airport Oklahoma City USA 11 OCTOBRE 2016

:arrow: :arrow:
https://www.flickr.com/photos/[email protected]/29636749004
Dernière modification par HADDAD le 30 août 2018, 22:20, modifié 1 fois.
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Re: Gulfstream G550 ISR

Message par Sheev » 31 août 2018, 15:00

N546RN
40449330_2383478098345377_8763036518651527168_n.png
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