This article is considered accurate for the current version (1.58) of the game.
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A large Assembly Station for production of advanced vehicles and equipment, such as tanks and trains. Construction will take time and may be halted if resources are depleted.
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— In-game description
The Large Assembly Factory is a large player built facilitystructure that is used to produce a wide variety of vehicles and equipment.
Tier 2 Facilities must be fully researched in the Weapons and Structure Tech Tree in order to be produced.
Upgrades
Upgrade modules exist to add more production options. However only one can be installed on a facility. It cannot be uninstalled, but demolishing the facility will refund the upgrade cost. The upgrade options are listed in the bottom right corner of the structure's menu. The required materials must be either in the player's inventory or the structure's inventory.
A single Power Line can be connected to it to provide the power required for production. The line can be disconnected by pressing the "Disconnect All Power" button.
Demolition
The original builder, and squad members if reserved, can instantly demolish it if it was built less than 28 days ago. The materials used in the construction and upgrades are refunded and dropped under the player.
Reservation
The original builder can reserve it for a Squad for 52 hours in the menu. The reservation can be refreshed by any squad member. If the reservation expires, the structure can never be reserved again.
The reservation has the following effects:
Prevents non-members from modifying it.
Squad members starting a vehicle production can select whether they want the vehicle to start reserved to the Squad.
Prevents friendly non-members from accessing the Reserve parked vehicle on the station.
Prevents non-members from remotely viewing the stockpile content by putting their cursor on the structure's icon on the map.
However the reservation does NOT prevent non-members from accessing the stockpile or starting a production.
Destruction
It is immune to Friendly Fire but it can be flagged for "Disruptive Structure Placement" to remove the immunity (5 "votes" needed).
Destructions by enemies of this type of structure are logged in the Region Event Logs.
Reconstruction
When destroyed, it leaves behind a "husk" that can be rebuilt. Reconstruction uses the same tool and materials as the construction. Rebuilding it restore its stockpile but the vehicle production order is lost.
Structure Event Log
In its interface you can click the "View Actions Log" button to view a list of recent events, with timestamps and player names displayed. Events recorded include modifications and production orders. The log only displays the last 128 events (8 pages) and is cleared when the server restarts.
Use
Its interface can be accessed on foot or from the driver seat of a logistics vehicle by pressing E.
Vehicle Production
Only one vehicle can be produced at a time. Production requires 8MW of power and will automatically pause when power is insufficient. The vehicle produced starts locked to the player that launched its production.
Putting your cursor on the structure's icon on the map displays the types of vehicles it can build and also shows its stockpile content (if not reserved by a Squad you're not in).
Storage
It has an inventory with 15 slots and a stockpile that only accepts the types of materials necessary for vehicle production. The content of its stockpile can be viewed remotely by putting their cursor on the structure's icon on the map, but only if it's not reserved or you are part of the reserving Squad.
The center of the station is a loading area where Material Pallets can be deposited with a Crane to transfer contents in or out.
Reserve Parking
The types of vehicles that can be produced at Large Assembly Stations can be reserve parked on them if both the vehicle and the station are reserved for the same Squad. This prevents non-members from accessing the Reserve parked vehicle on the station.
A vehicle is considered reserve parked at a station if:
It was just produced at the station and the producer had opted to reserve the vehicle for the Squad that reserved the station
It is reserved for the same Squad as the station and it is parked directly in the center of the station or deposited onto the station with a crane.
If parked correctly, a message appears in the vehicle's menu.
Keep in mind that Reserve Parking does not prevent enemies from stealing the vehicle.
Trivia
When the Large Assembly Station was introduced in Update 1.50 ('Inferno'), it was originally called the "Large Vehicle Factory", and used the basic facility map icon.
It was renamed to the Large Assembly Station in Update 1.52 and given a distinctive map icon, in order to reduce naming confusion and improve facility gameplay.