RKD
Knox County Regional Airport

Knox County Regional Airport (IATA: RKD, ICAO: KRKD) is a medium airport in Rockland, Maine, United States. It opened in 1943. It has 2 runways; the longest is 5,412 ft (1,650 m). In 2025 it handled 13 thousand passengers.
Timeline
2 events · 1943–19791943
OpenedKnox County Regional Airport opens.
30 MAY 1979
DisasterDowneast Flight 46.17 killed
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap13/31111° / 291° · LIT
LENGTH5,412 ft1,650 mWIDTH100 ft31 mSURFACEAsphalt
03/21013° / 193° · LIT
LENGTH4,000 ft1,219 mWIDTH100 ft31 mSURFACEAsphalt
Passengers per year
2015–202513K
14K
14K
14K
14K
4K
12K
14K
14K
15K
13K
1516171819202122232425
Routes
1 destinations · 1 countryStraight lines are great circles; rings mark true distance from RKD. From the Wikipedia article “Knox County Regional Airport” (revision of 29 Jul 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
3 channelsA/DBRUNSWICK APP/DEP123.800
AWOSAWOS 3119.025
UNICCTAF/UNICOM123.050