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CREW LOCK [3 records]

Record 1 2004-10-15

English

Subject field(s)
  • Orbital Stations
CONT

The Joint Airlock itself has two rooms, the "Equipment Lock" and the "Crewlock. "The Equipment Lock is similar to a locker room, in that it is the primary area where the crew members don and doff their spacesuits... It is also the primary area for servicing the spacesuits and stowing them. The Crewlock, which is separated from the Equipment Lock by a hatch, is where spacewalkers open the outer hatch and actually begin their excursions into space. It is similar in size to the shuttle's airlock. Although the Joint Airlock Module is only 20 feet(6. 1 meters) long, getting from one end to the other can be a slow process as astronauts prepare for their EVAs [Extravehicular Activities].

CONT

The Joint Airlock (also known as "Quest") is provided by the U.S. and provides the capability for ISS-based Extravehicular Activity (EVA) using either a U.S. Extravehicular Mobility Unit (EMU) or Russian Orlon EVA suits. Before the launch of this airlock, EVAs were performed from either the U.S. Space Shuttle (while docked) or from the Transfer Chamber on the Service Module. Due to a variety of system and design differences, only U.S. space suits could be used from the Shuttle and only Russian suits could be used from the Service Module. The Joint Airlock alleviates this short term problem by allowing either (or both) spacesuit systems to be used.

OBS

Quest airlock: term officially approved by the International Space Station official approval Group (ISSOAG).

PHR

Quest’s audio communication system.

PHR

Quest airlock vestibule.

French

Domaine(s)
  • Stations orbitales
CONT

Le sas de sortie extravéhiculaire, baptisé «Quest», est l'équivalent de celui de la Navette. Il permet aux astronautes revêtus de leur combinaison spatiale, de sortir dans le vide de l'espace. Quest pèse 6.5 tonnes, et il a coûté la bagatelle de 164 millions de dollars. Il est constitué de deux chambres. La première, la plus grande et celle qui est directement liée à la Station, est la chambre d'équipement. Dans cette pièce se trouvent les combinaisons et autres équipements nécessaires à une EVA (Extra-Vehicular Activity). Les astronautes y pénètrent et revêtent leur combinaison, qu'elle soit russe ou américaine. Ensuite, ils pénètrent dans le sas proprement dit par une écoutille intermédiaire. Le sas, plus petit, comporte un éclairage, des rampes et des interfaces pour le branchement des combinaisons aux réseaux électrique, informatique et de communication de la Station. Les astronautes, une fois à l'intérieur, referment l'écoutille intermédiaire. La dépressurisation s'effectue et l'écoutille donnant vers l'extérieur peut enfin être ouverte. Dans l'autre sens, le sas est représsurisé à l'aide de réservoirs d'oxygène et d'azote comprimé, situé sur l'extérieur du module Quest.

OBS

sas de sortie Quest : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 1

Record 2 2003-06-17

English

Subject field(s)
  • Orbital Stations
CONT

The Joint Airlock has two main components: a crew airlock from which astronauts and cosmonauts exit the ISS [International Space Station] and an equipment airlock designed for storing EVA [Extravehicular Activity] gear and for so-called overnight "campouts" wherein nitrogen is purged from astronaut’s bodies overnight as pressure is dropped in preparation for spacewalks the following day. This alleviates the bends as the astronauts are repressurized after their EVA.

OBS

crew airlock: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Stations orbitales
CONT

Le module-sas en construction au Marshall Space Flight Center à Huntsville en Alabama, USA [...] comporte un «sas d'équipement» à gauche pour stocker les scaphandres et autre matériel. À droite, le «sas de l'équipage» permet aux astronautes d'effectuer leurs sorties dans l'espace. La structure mesure 5,5 m de long et sa masse est d'environ 6100 kg.

OBS

sas de l'équipage : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 2

Record 3 1987-04-30

English

Subject field(s)
  • Landing Gear (Aeroindustry)
CONT

Landing gear visual indicators provide the flight crew with definite reference markings that can be physically checked to ascertain the position of the landing gear overcenter links while the airplane is airborne.... The main gear downlock visual indicators... are two red anodize stripes applied to each main gear downlock hinge.... The nosegear downlock visual indicators... consists of red anodize stripe applied to the upper and lower lock link assemblies at the breakover hinge point. When the nosegear is down and locked, a straight red anodize stripe is visible on the top side of the overcenter link when viewed through the peephole in flight compartment floor. When the nosegear is up and locked, a straight line of scotchlite tape is visible on the right side of the overcenter linkage extending across both upper and lower links, when viewed through the peephole in the flight compartment floor.

Key term(s)
  • downlock stripe
  • visual indicator stripe

French

Domaine(s)
  • Atterrisseur (Constructions aéronautiques)
OBS

repère visuel de verrouillage du train d'atterrissage : terme accepté par le Comité d'étude de la terminologie des cartes de travail du DC-9.

Spanish

Save record 3

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