Nantucket Memorial Airport
Daylight today(Aug 30, 2026, local time)
About 13h 13m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Nantucket Memorial Airport
Nantucket Memorial Airport is a public airport on the south side of the island of Nantucket, Massachusetts, United States. It is owned by the Town of Nantucket and is located three miles (5 km) southeast of the town center. It is the second-busiest airport in the state, after Logan International Airport, due to intense corporate travel to and from the island in the high season.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KACKNOTAMs
KACKReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (3)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 06 / 24▸ displaced | 6,303 ft / 1,921 m | 150 ft | Asp | Lighted | Open |
| 15 / 33 | 4,500 ft / 1,372 m | 100 ft | Asp | Lighted | Open |
| 12 / 30 | 2,696 ft / 822 m | 50 ft | Asp | Unlit | Closed |
Radio frequencies (8)
| Type | Description | Frequency |
|---|---|---|
| A/D | CAPE APP/DEP | 126.100 MHz |
| ATIS | ATIS | 127.500 MHz |
| CLD | CLNC DEL | 119.375 MHz |
| CTAF | CTAF | 118.300 MHz |
| GND | GND | 121.700 MHz |
| RDO | BRIDGEPORT RDO | 116.200 MHz |
| TWR | TWR | 118.300 MHz |
| UNIC | UNICOM | 122.950 MHz |
Navaids(2)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Arrivals (STARs) (1)
Takeoff & alternate minimums (2)
Runway hot spots (1)
Land-and-hold-short (LAHSO) (1)
Showing 10 of 16 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| NANTUCKET CLASS D | Class D | Controlled | GND | 2500 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: SW (from about 225°), on 10% of observations, averaging 10 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 67% | -1,467 ft | |
| Feb | 68% | -1,513 ft | |
| Mar | 69% | -1,167 ft | |
| Apr | 69% | -759 ft | |
| May | 65% | -355 ft | |
| Jun | 65% | 309 ft | |
| Jul | 56% | 735 ft | |
| Aug | 64% | 780 ft | |
| Sep | 73% | 396 ft | |
| Oct | 71% | -62 ft | |
| Nov | 82% | -696 ft | |
| Dec | 70% | -1,196 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-1,513–780 ft through the year· Source: NWS/IEM ASOS archive.
Nearby airports
Great-circle distance and true bearing from Nantucket Memorial Airport.
Frequently asked questions
What is the ICAO code for Nantucket Memorial Airport?
The ICAO code for Nantucket Memorial Airport is KACK, and its IATA code is ACK.
Where is Nantucket Memorial Airport located?
Nantucket Memorial Airport is medium airport located in Nantucket, United States, at an elevation of 47 ft (14 m).
How many runways does Nantucket Memorial Airport have?
Nantucket Memorial Airport has 3 runways, the longest being 6,303 ft / 1,921 m.
Which airlines fly to Nantucket Memorial Airport?
Airlines historically serving Nantucket Memorial Airport include Cape Air, T.J. Air (based on OpenFlights route data, which may be out of date).
How many destinations are served from Nantucket Memorial Airport?
Historical data lists 6 nonstop destinations from Nantucket Memorial Airport. Always check current schedules.
What time zone is Nantucket Memorial Airport in?
Nantucket Memorial Airport is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at Nantucket Memorial Airport?
The magnetic variation (declination) at Nantucket Memorial Airport is approximately 14.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Nantucket Memorial Airport?
The nearest airport to Nantucket Memorial Airport is Tuckernuck Airport (MA72), about 9.4 nm to the wnw, followed by Muskeget Island Airport and Katama Airpark.
Is the information on this page suitable for flight planning?
No. Nantucket Memorial Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.