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add {{Use American English}} template per MOS:TIES

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{{Use American English|date=May 2025}}
{{Infobox airport
| name = Barter Island LRRS Airport
| image = BTI-a.jpg
| image-width = 250
| FAA = BTI
| IATA = BTI
| ICAO = PABA
| type = Public / military
| owner = [[North Slope Borough, Alaska|North Slope Borough]]
| operator =
| location = [[Barter Island]], [[Alaska]]
| built =
| elevation-m = 1
| elevation-f = 2
| coordinates = {{coord|70|08|02|N|143|34|55|W|name=Barter Island LRRS BAR-MAIN|display=inline,title}}
| website =
| pushpin_map = USA Alaska
| pushpin_relief =
| pushpin_label_position = bottom
| pushpin_label = '''BTI'''
| pushpin_mapsize = 250
| pushpin_map_caption = Location of Barter Island LRRS Airport
| r1-number = 7/25
| r1-length-m = 1,372
| r1-length-f = 4,500
| r1-surface = Gravel
| stat-year = 2015
| stat1-header = Aircraft operations
| stat1-data = 3,350
| stat2-header = Based aircraft
| stat2-data = 0
| stat3-header = Passengers
| stat3-data = 5,077
| stat4-header = Freight
| stat4-data = 1,358,000 lbs
| footnotes = Source: [[Federal Aviation Administration]]<ref name="FAA">{{FAA-airport|ID=BTI|use=PU|own=MA|site=50055.5*A}}, effective January 5, 2017.</ref>
}}
[[File:Barter Island DEW Emblem.png|thumb|250px|Barter Island DEW Line patch]]
{{kml}}
'''Barter Island LRRS Airport'''<ref>
{{cite web
| url = {{gnis3|1417580}}
| title = Barter Island LRRS Airport
| work = [[Geographic Names Information System]]
| publisher = [[United States Geological Survey]]
| access-date = 2009-07-10
}}
</ref> {{airport codes|BTI|PABA|BTI}} is a public/military [[airport]] located near the city of [[Kaktovik, Alaska|Kaktovik]] on [[Barter Island]], in the [[North Slope Borough, Alaska|North Slope Borough]], located {{convert|312|mi|km}} east of [[Point Barrow, Alaska]]. The airport is owned by the North Slope Borough.<ref name="FAA" /> It is also known as '''Barter Island Airport''' or '''Kaktovik Airport'''. The [[acronym]] LRRS stands for ''Long Range Radar Site'' or ''Long Range Radar Station''.

== Facilities and aircraft ==
Barter Island LRRS Airport has one [[runway]] designed 7/25 with a [[gravel]] surface measuring 4,820 by 100 feet (1,469 x 30 m). For the 12-month period ending December 31, 2005, the airport had 3,350 aircraft operations, an average of 9 per day: 75% [[air taxi]], 24% [[general aviation]] and 1% [[military aviation|military]].<ref name="FAA" />

== Airlines and destinations ==

{{Update section|date=January 2022}}
{{Airport-dest-list
| [[Everts Air]] | [[Fairbanks International Airport|Fairbanks]]<ref>{{cite web |title=Passenger Schedules |url=https://evertsair.com/passenger/schedules |access-date=20 December 2020}}</ref>
| [[Wright Air Service]] | [[Deadhorse Airport|Deadhorse/Prudhoe Bay]], [[Fairbanks International Airport|Fairbanks]]<ref>[http://info.flightmapper.net/airline/WRT/BTI Wright destinations] Retrieved Sep 11, 2022.</ref>
}}

Prior to its bankruptcy and cessation of all operations, Ravn Alaska served the airport from multiple locations.

===Statistics===
{{Bar graph
| title = Carrier shares: January – December 2015<ref name ="transtats.bts.gov" />

| bar_width = 28
| width_units = em
| label_type = Carrier  
| data_type = Passengers (arriving and departing)
| data_max = 5,100
| label1 = [[Hageland Aviation|Hageland]]
| data1 = 5,080
| comment1 = 99.98%
}}

{| class="wikitable"
|+ Top domestic destinations: January – December 2015<ref name="transtats.bts.gov">
{{cite web
| url = http://www.transtats.bts.gov/airports.asp?pn=1&Airport=BTI&Airport_Name=Barter%20Island,%20AK:%20Barter%20Island%20LRRS&carrier=FACTS
| title = Kaktovik, AK: Barter Island (BTI)
| publisher = [[Bureau of Transportation Statistics]] (BTS), [[Research and Innovative Technology Administration]] (RITA), [[U.S. Department of Transportation]]
| date = December 2015 | access-date = January 14, 2017
}}
</ref>

! Rank
! City
! Airport
! Passengers
|-
| 1
| {{flagicon|Alaska}} [[Deadhorse, AK]]
| [[Deadhorse Airport|Deadhorse Airport (SCC)]]
| align="right" | 1,270
|-
| 2
| {{flagicon|Alaska}} [[Fairbanks, AK]]
| [[Fairbanks International Airport|Fairbanks International Airport (FAI)]]
| align="right" | 1,210
|-
| 3
| {{flagicon|Alaska}} [[Barrow, AK]]
| [[Wiley Post-Will Rogers Memorial Airport|Wiley Post-Will Rogers Memorial Airport (BRW)]]
| align="right" | 20
|-
| 4
| {{flagicon|Alaska}} [[Fort Yukon, AK]]
| [[Fort Yukon Airport|Fort Yukon Airport (FYU)]]
| align=right | 10
|}

== History ==
The original runway was built by the United States military in 1947. The [[U.S. Air Force]] assumed control of Barter Island in 1951 and extended the runway in 1953 to support the [[Distant Early Warning Line]] Radar station at Barter Island (BAR-MAIN).<ref>{{cite web
| url = http://arcticcircle.uconn.edu/ANWR/anwrculthistory.html
| title = Arctic National Wildlife Refuge: Cultural History
| publisher = Arctic Circle
| access-date = 2007-08-29
| archive-url = https://web.archive.org/web/20120206232430/http://arcticcircle.uconn.edu/ANWR/anwrculthistory.html
| archive-date = 2012-02-06
| url-status = dead
}}</ref><ref>{{cite web
| url = http://arcticcircle.uconn.edu/Museum/Anthropology/Kaktovik/change.html
| title = My major focus lay in contemporary change...
| work = A Place Called Kaktovik
| author = Norman Chance
| publisher = Arctic Circle
| access-date = 2007-08-29
| archive-url = https://web.archive.org/web/20071004070010/http://arcticcircle.uconn.edu/Museum/Anthropology/Kaktovik/change.html
| archive-date = 4 October 2007
| url-status = dead
}}</ref> The Barter Island DEW Line station was operated by civilian contract workers. The DEW Line station was inactivated in 1990 and the station personnel were relieved of duty.

The radar station was upgraded with an AN/FPS-117 minimally attended Long Range surveillance radar in the winter of 1990. A prototype AN/FPS-124 short-range radar was also installed. The station was re-designated part of the North Warning System (NWS) as a Long Range Radar Site, A-21, being controlled by the [[Pacific Air Forces]] [[611th Air Support Group]], based at [[Elmendorf AFB]].

In 1998 [[Pacific Air Forces]] initiated "Operation Clean Sweep", in which abandoned Cold War stations in Alaska were remediated and the land restored to its previous state. The site remediation of the radar and support station was carried out by the 611th Civil Engineering Squadron at Elmendorf, and remediation work was completed by 2005.

The airport remains open to support the small settlement at Kaktovik and to provide contractor support access to the military radar site.

==Distant Early Warning Line support==
The Barter Island station controlled a sector of the [[Distant Early Warning Line]]. The BAR sector was composed of a series of surveillance radar stations along the North Slope of the Alaska Coast as well as stations in the Canadian Yukon and Northwest Territories.

Barter Island controlled nine staffed stations, four of them being classified as "auxiliary" sites and five "intermediate" stations. The auxiliary stations were similar to the main site at Barter Island; the intermediate sites had less personnel at them. The stations were made up of an AN/FPS-19 search radar, a high power L-Band radar consisting of two identical radar sets feeding a dual (back to back) antenna with a range of about 160 nautical miles. The sites had one 25-man module building for personnel who supported the radar, and an airstrip, although the length and capacity varied greatly, making frequent risky landings necessary at some sites.

Each of the sites was staffed by civilian contract workers who had signed 18-month contracts, although they were visited by Air Force military personnel frequently.
{| class="wikitable sortable"
|-
! scope="col" width="50" | DEW ID
! scope="col" width="125" | Site name
! scope="col" width="175" | Location
! scope="col" width="50" | Activated
! scope="col" width="50" | Inactivated
! scope="col" width="350" | Notes
|-
| BAR-1
| Komakuk Beach, Yukon
| {{Coord|69|35|41|N|140|10|44|W|display=inline|name=Komakuk Beach DEW BAR-1}}
| 1957
| 1993
| DEW Axillary site, operations ended 1993; Became part of the North Warning System (NWS) with AN/FPS-124 SRR
|-
| BAR-2
| Shingle Point, Yukon
| {{Coord|68|55|48|N|137|14|17|W|display=inline|name=Shingle Point DEW BAR-2}}
| 1957
| 1989
| DEW Axillary site, operations ended 1989; Became part of the North Warning System (NWS) with AN/FPS-117 LRR
|-
| BAR-3
| Tuktoyaktuk, Northwest Territories
| {{Coord|69|26|35|N|132|59|55|W|display=inline|name=Tuktoyaktuk DEW BAR-3}}
| 1957
| 1993
| DEW Axillary site, operations ended 1993; Became part of the North Warning System (NWS) with AN/FPS-124 SRR
|-
| BAR-4
| Nicholson Peninsula, Northwest Territories
| {{Coord|69|55|28|N|128|58|23|W|display=inline|name=Nicholson Peninsula DEW BAR-4}}
| 1957
| 1993
| DEW Axillary site, operations ended 1993; became part of the North Warning System (NWS) with AN/FPS-124 SRR
|-
| BAR-A
| [[Demarcation Bay DEW Line Station|Demarcation Bay]], Alaska
| {{Coord|69|53|09|N|142|18|28|W|display=inline|name=Demarcation Bay DEW BAR-A}}
| 1957
| 1963
| DEW Intermediate site, closed 1963; remediated about 2000 by USAF, gravel runway and graded site remains.
|-
| BAR-B
| Stokes Point, Yukon
| {{Coord|69|19|49|N|138|44|13|W|display=inline|name=Stokes Point DEW BAR-B}}
| 1957
| 1963
| DEW Intermediate site, closed 1963, current status undetermined; BAR-BA3 (new site) became part of the North Warning System (NWS) in 1990 with AN/FPS-124 SRR
|-
| BAR-C
| Tununuk Camp, Northwest Territories
| {{Coord|69|00|10|N|134|40|00|W|display=inline|name=Tununuk Camp DEW BAR-C}}
| 1957
| 1963
| DEW Intermediate site, closed 1963; current status undetermined.
|-
| BAR-D
| Atkinson Point, Northwest Territories
| {{Coord|69|56|00|N|131|25|50|W|display=inline|name=Atkinson Point DEW BAR-D}}
| 1957
| 1963
| DEW Intermediate site, closed 1963; current status undetermined; BAR-DA1 (new site) became part of the North Warning System (NWS) in 1990 with AN/FPS-124 SRR
|-
| BAR-E
| Horton River, Northwest Territories
| {{Coord|70|00|59|N|126|56|35|W|display=inline|name=Horton River DEW BAR-E}}
| 1957
| 1963
| DEW Intermediate site, closed 1963; became part of the North Warning System (NWS), June 1991 with AN/FPS-124 SRR
|-
|-
|}

With the signing of the North American Air Defence Modernization agreement at the "Shamrock Summit" between Prime Minister Mulroney and President Reagan in Quebec City on 18 March 1985, the DEW Line began its eventual upgrading and transition becoming the [[North Warning System]] (NWS) of today. The intermediate sites were closed in 1963 due to the advancements in radar technology. Operational NWS sites have retained their former DEW Line designations. The Canadian NWS sites are under the jurisdiction of the NORAD Canada West ROCC at [[CFB North Bay]] Ontario; Barter Island is under the jurisdiction of the Alaska NORAD Region ROCC at Elmendorf AFB.

==See also==
* [[Alaskan Air Command]]
* [[Distant Early Warning Line]]
* [[Eleventh Air Force]]
* [[List of airports in Alaska]]
* [[North Warning System]]

== References ==
{{Reflist|30em}}
{{Air Force Historical Research Agency}}

== External links ==
* [http://www.lswilson.ca/dewline.htm The DEW Line]
* [http://www.lswilson.ca/barm.htm Barter Island (BAR-Main)] page from [http://www.lswilson.ca/dewline.htm The DEW LINE: Sites in Canada, Alaska and Greenland]
* [https://web.archive.org/web/20050119143141/http://www.alaska.faa.gov/fai/images/ARPT_DIAGRAMS/BTI.gif Airport diagram] <small>([[GIF]])</small> from [https://web.archive.org/web/20070923215515/http://www.alaska.faa.gov/fai/ Federal Aviation Administration, Alaska Region]
* {{FAA-procedures|BTI}}
{{US-airport2|BTI|PABA}}

{{Portal bar|Alaska|Aviation}}
{{Airports in Alaska}}

[[Category:Airports in North Slope Borough, Alaska]]
[[Category:Airports established in 1947]]
[[Category:1947 establishments in Alaska]]

Barter Island LRRS Airport - Revision history

imported>Panamitsu: add {{Use American English}} template per MOS:TIES