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Boston Airport, or Boston International Airport,[1] is a location and potential settlement in the Commonwealth in 2287.


Before the Great War, Boston International Airport served as a hub for both domestic and international flights. Airlines including Horizon Airlines and Skylanes Air operated at the airport, providing service to cities such as Chicago and New York; according to the welcome sign, the airport also facilitated "private flying" (i.e., general aviation or charter flights). Many people died at the site during the war.

The airport is initially deserted, but later comes under the control of the Brotherhood of Steel.[Non-game 1] When the Prydwen is moored at the control tower, the airport is repurposed as a logistics center and forward base for Brotherhood operations in the Commonwealth. Everything the Brotherhood needs passes through the compound, including supplies from the Prydwen and salvage from the field. Access is strictly limited, and every item is tracked, down to every bullet and bolt.[2]

The airport under Brotherhood control hosts the remains of Liberty Prime, which the faction plans to rebuild and use against the Institute. The Brotherhood's best soldiers are stationed at the complex as the last line of defense for both Prime and the airport itself, with even Star Paladins patrolling the fortified concourse surrounding Prime. Behind Prime's building platform in the terminal building is the supply depot, where Knight Sergeant Gavil stores all rations and provides gear to field soldiers. Above the depot is a Vertibird helipad and a general recreational area, where benches, vending machines, and food items afford the Brotherhood's soldiers and agents some relaxation before heading out.


Before the war, the airport featured a large terminal, a parking garage, and several runways and support buildings.[Non-game 2] Struck by rising sea levels after the war, most of the runways and other low-lying buildings were submerged by the adjacent ocean.

The severely damaged central terminal building runs northwest to southeast, with a central exterior concourse on the east side and the control tower to the south. A parking garage is north of the concourse, and a rusted warehouse is northeast of the concourse near the water. The remains of the runway east of the concourse hold the wreckage of several airplanes. The airliners are completely destroyed, with the wings and fuselages torn into parts and the interiors stripped bare, and the area is strewn with derelict vehicles.

The entire site is inhabited by feral ghouls, with a glowing one on the top floor of the terminal, and mirelurks inhabit the shore by the sunken runway. Two police Protectrons can be activated on the ground floor of the parking garage using the nearby Novice-locked terminal. After completing the quest Reunions, the Brotherhood of Steel will establish a base at the airport, erecting a supply depot and Vertibird helipad in the terminal and a gantry to hold the remains of Liberty Prime in the concourse. The Prydwen will also be anchored to the control tower unless destroyed.


The settlement is used during several main quests for the Brotherhood of Steel, including for the construction of parts for the quest Liberty Reprimed and the construction of the signal interceptor for the Brotherhood quest the Molecular Level.

If the Sole Survivor makes enemies of the Brotherhood of Steel, Boston Airport is lost as a player settlement. The settlement cannot be regained until the Prydwen is destroyed through Airship Down, Rockets' Red Glare, or With Our Powers Combined. The area must also be cleared of feral ghouls; otherwise, when attempting to use the workshop, the message "You cannot use this workshop yet" will appear.[Non-game 3] However, any settlement defenses built and in range of Brotherhood troops will remain allied with the Sole Survivor and hostile to the Brotherhood even after control of the settlement is lost.[3]

The settlement zone covers the exterior waiting area at the northwestern end of the terminal, with the workshop against the terminal's outer wall. The settlement is subject to significant restrictions, as several settlement objects cannot be built:


Notable loot

  • Fusion core - On the ground floor of the terminal, in the generator at the southeastern end.
  • Supply log - On the ground floor of the terminal, on the desk next to the supply depot terminal in the southeastern section. Only present during the quest Duty or Dishonor.
  • Mini nuke - On the top floor of the terminal, guarded by a glowing one just above the workshop in the northwestern section.
  • Fat Man - On the runway, in a van near the water. From the Boston Airport fast travel location, proceed east. The fuselage of a crashed Skylanes Air flight will be ahead; the Fat Man is in a van near the water's edge on the far side of the flight wreckage.
  • Lucia's personal key - On Lucia. Opens her footlocker aboard the Prydwen.
  • Three sets of BOS II T-60 power armor - Worn by sentries. The sentries will maintain their posts even after their armor is stolen, but if they are killed, they will eventually respawn with new sets of armor.

Related quests


  • The door to the left of the workshop cannot be disabled with console commands as it has an enable parent, but the door to the right can be disabled.
  • If X6-88 is brought to the airport, the spotlights will lock onto him and begin beeping, but the Brotherhood of Steel soldiers will do nothing. In contrast, if Paladin Danse is brought along, the lights will not lock onto him, despite him being a synth. However, if Danse is sent to the airport after sparing him in Blind Betrayal, an endless battle between Danse and the Brotherhood personnel and their automated turrets will result. If Liberty Prime was reactivated during Liberty Reprimed and Ad Victoriam was completed for the Brotherhood, Prime will also engage Danse in battle. Because Prime's programming forces him to use his nukes more often than his lasers in combat, this will usually result in the Brotherhood forces on the ground being annihilated while the immortal Danse is still firing at Prime.
  • There are two unique Brotherhood soldiers at the airport whose level and rank correspond with the Sole Survivor's level. The first is patrolling in full combat armor around Prime's fortified concourse, and the second is the soldier in power armor guarding the northwest entrance to the fortified area. At level 56, the patrolling soldier is a level 68 star paladin, while the soldier guarding the entrance is a level 61 paladin-commander.
  • When the Prydwen crashes down onto the airport in the relevant quest(s), it may look as though the ensuing explosion will destroy everything present. However, both the control tower and terminal building remain standing. The most severely damaged area is the concourse between the terminal building and the pre-War aircraft wreckage, due to the overwhelming presence of the Prydwen and the destruction caused by its abrupt landing. The airship's rear section has become partially embedded in the earth or submerged in the ocean, while the front half has been blown open, with only the bent metal framework of the craft intact. Approaching the front section will result in taking damage from the flames.

Companion comments

  • When at this location companions make comments, which are activated before the concourse barricades, both before and after the Brotherhood arrive. X6-88 offers no unique comments. Additional comments are made in the Boston Airport ruins parking garage.
Location comments
Character Specific location Comment
Cait Barricades "Would be nice to fly away and leave the Commonwealth behind... but is there anythin' worth seein' out there?"
Codsworth Barricades "Ah the airport. Once a bustling hub of activity... now a glorified scrap yard."
Curie Barricades "Ahh, the airport. Can we fly to Los Angeles? I hear it is most lovely there."
Danse Barricades "Having the Prydwen moored above the airport keeps the Brotherhood within striking distance of the city."
Deacon Barricades "The airport. One of Tinker's favorite salvaging spots."
John Hancock Barricades "The airport, huh? Really seein' the sights, aren't we."
Robert MacCready Barricades "It's not the flying that would make me nervous, it's the crashing part."
Barricades, after the Brotherhood arrive "Brotherhood of Steel thinks Ghouls are all monsters. Let's see 'em make a move. I'll show 'em who the monster is."
Nick Valentine Barricades "If you're looking to do some salvage, you've come to the right place."
Barricades, after the Brotherhood arrive "The airport, huh? You sure you want to waltz through Brotherhood HQ with a Synth at your side?"
Piper Wright Barricades "The mystery. The intrigue. The airport."
Barricades, after the Brotherhood arrive "Cold steel, angry scowls, lousy hair cuts. All the touches I've come to expect from the Brotherhood."
Preston Garvey Barricades "Man... just look at all these old planes... it's hard to believe they could actually fly."
Strong Barricades, after the Brotherhood arrive "Strong hates Steel Brotherhood."


Boston Airport appears only in Fallout 4.

Behind the scenes

  • Boston Airport is based on Boston's Logan International Airport, which has the same international code, "BOS."
  • The airport's international code could be a double entendre, due to the relation between the international code and the resident faction's acronym.


PCPC If Wasteland Workshop is installed and aggressive creatures have been trapped and controlled by a beta wave emitter, and/or if crafted robots are present, the start of Liberty Reprimed may allow these creatures or robots to clip through the workshop wall into the previously locked Prime workshop area and kill the attendant scribes. This apparently has no effect on the quest beyond temporarily interrupting Proctor Ingram's initial speech when she runs to defend the scribes.[verified]



  1. Alana Secord: "Oh, yes. Uhh... Watchers have not shown any additional threats at this time. We're still monitoring increased activity around Fort Independence, though there's no immediate cause for concern. Boston International Airport remains occupied, and Brotherhood presence has been noted at several other locations. And, uhh... Despite a lack of concrete evidence, we have reason to believe that the "Railroad" continues to operate within the Commonwealth. Personally I suspect they're becoming more ambitious, but I can't confirm that at this time. For now, we have assets monitoring all known situations."
    (Alana Secord's dialogue) Note: These lines are a part of Inst303DirectorateOpeningScene.
  2. Gavil: "Let me guess. Captain Kells sent you?"
    The Sole Survivor: "That's right. You're in charge here?"
    Gavil: "I am. And you're here about the missing supplies. Let's take this somewhere more private. Follow me."
    Gavil: "We've converted this section of the terminal into our primary supply depot. Everything the Brotherhood needs to operate passes through here. Supplies from the Prydwen. Salvage from the field. We handle it all. Access is strictly limited to the Logistics detail. And we track every crate, every bullet, every bolt that comes through that door."
    Gavil: "Which is why I don't take kindly to these accusations. I know every soldier in this unit. The thought that anyone would question their loyalty makes me sick. If you've got questions, ask. Otherwise, try to stay out of our way. Sir."
    (Gavil's dialogue)
  3. Boston Airport rocket turrets attacking Brotherhood guards after the completion of Mass Fusion


  1. Fallout 4 Vault Dweller's Survival Guide Collector's Edition pp. 324-325: "ZONE 4: COASTAL COMMONWEALTH
    Those hoping to vacation on the eastern shores of the Commonwealth would do well to pack a copious supply of ammunition and have trained long and hard for this outing, as the threat level of the roaming miscreants in this zone is deemed “most dangerous.” The township of Revere has been razed by Raiders. Nahant offers quiet walks interspersed with carnage, courtesy of ferals. Up north, Salem long continues its reputation for horror. Farther inland, toward East Boston and the airport, the ferociousness of your foes lessens just a little. The Brotherhood of Steel's imminent arrival at the airport should provide a brief respite should you agree to ally with them. Finally, those brave to dip their toes in the ocean may find one or two surprises under the waves."
    (Fallout 4 Vault Dweller's Survival Guide Map)
  2. Fallout 4 Vault Dweller's Survival Guide Collector's Edition pp. 324-325: "[4.27] BOSTON AIRPORT
    Before the war, Boston International Airport was a major transportation hub on the East Coast. In addition to its distinctive control tower, it also had a large terminal, parking garage, runways, and numerous hangars and support buildings. The airport suffered heavily from the war. Most of its major buildings, including large sections of the terminal, have long since collapsed, and the rising sea levels have swamped the low-lying runways and outbuildings. Only the control tower and a few hangars remain relatively intact.
    (Fallout 4 Vault Dweller's Survival Guide Map)
  3. Fallout 4 Vault Dweller's Survival Guide Collector's Edition pp. 324-325: "[01] Arrivals Terminal
    The workshop here allows you to build a settlement in relative safety, unless you decide not to ally yourself with the Brotherhood of Steel. Behind the two inaccessible security doors is an airport warehouse—a secret construction shop where a war machine is being built. This eventually is moved to Location 05. Attempt to access this airport warehouse from Location 06, and the wall terminal is inaccessible (only Proctor Ingram can access it). Don't forget to check the ruined "open air" upper floor above the workshop for a Mini Nuke.
    (Fallout 4 Vault Dweller's Survival Guide Map)