Nantucket Memorial Airport

ACK · KACK · Nantucket, MA · Towered · Print kneeboard

Elevation

47 ft MSL

Longest runway

6,303 ft 06/24

Runways

Mag var

14W

ATIS 127.5 Tower 118.3 Ground 132.5 Clearance 119.375 Approach 126.1

Airport diagram

FAA airport diagramView full size ↓

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-03 · night begins 08:26 PM

Event	Local (EDT)	UTC
Morning civil twilight Loggable night ends	05:06 AM	09:06Z
Sunrise	05:37 AM	09:37Z
Sunset	07:55 PM	23:55Z
Evening civil twilight Loggable night begins	08:26 PM	00:26Z

Loggable night (§1.1)

08:26 PM → 05:06 AM

Night currency (§61.57)

08:55 PM → 04:37 AM

Plan a flight from KACK

Destination

TAS (kt)Burn (gph)Reserve (hr)Cruise (ft)Max alt (ft)Wind from (°)Wind (kt)

Past 24 hours category · wind · ceiling · visibility trends

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Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

RWY 15LEFT traffic

Heading: 149° mag · 135° true
Dimensions: 4,500 × 100 ft
TPA: 1,000 ft MSL (≈1,000 AGL) · standard
Surface: Asphalt
CTAF: 118.3

More details — RWY 15

Threshold elev: 45 ft
Markings: nonprecision
Approach obstacle: Bldg, 30 ft, 800 ft from threshold, 280 ft L of centerline — 20:1 slope to clear
TDZ elevation: 45 ft
Declared TORA/TODA/ASDA/LDA: 4,500 / 4,500 / 4,500 / 4,500 ft
End lights: REIL

Condition: Good. Edge lights: Med. Surface: Grooved. Weight bearing: Single wheel 60k, Double wheel 85k, Dual tandem 155k.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
06/24	6,303 ft
15/33	4,500 ft

Prefer one flat page? Full runway details for KACK → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KACK kneeboard →

Comms & NavAids

Communication frequencies

Before taxi

“Nantucket”

ATIS

127.5

Clearance

119.375

Taxi & takeoff

“Nantucket”

Ground

132.5

Tower

118.3

Departure & arrival

“Boston”

App/Dep

126.1

Also

CTAF

118.3

UNICOM

122.95

Flight service

122.1R

Emergency

121.5

ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).

By procedure & sector (3 frequencies)

Frequency	Used by
133.75	CLAMY STAR · DEEPO STAR
243.0	EMERG
318.1	APCH/P DEP/P · CLAMY STAR

Source: FAA NASR (current 28-day cycle).

Instrument landing systems

RWY 24 · RWY 06

Runway	ILS
RWY 24	ILS/DME · CAT I · LOC 109.1 (ACK) · GS 3.00°
RWY 06	ILS/DME · CAT I · LOC 109.1 (RNE) · GS 3.00°

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

ACK 116.20 · MVY 114.50

NavAid	Type	Freq · ch	Range	Radial / Dist magnetic
ACK · Nantucket	VOR/DME	116.20 · 109X	High	r236° / 2.3 NM
MVY · Marthas Vineyard	VOR/DME	114.50 · 92X	Low	r124° / 26.4 NM

Prefer one flat list? All KACK frequencies →

Charts & procedures

ILS RWY 24 (SA CAT I) ↗

GREAT POINT VISUAL RWY 24 ↗

TUCKERNUCK VISUAL RWY 06 ↗

Lowest minimums here: ILS with vertical guidance · VFR sectional →

Airport info

From the field

Do you run KACK, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.

Airport information

ICAO / IATA: KACK / ACK
Coordinates: 41.2531, -70.0602
Elevation: 47 ft MSL
Magnetic variation: 14W
Sectional chart: NEW YORK
Airport use: Public
Control tower: Yes
Tower hours: 0600-2200 MAY 15-SEP 30; 0600-2100 OCT 1-MAY 14
Airspace: Class D · CLASS D SVC 0600-2200 MAY 15-SEPT 30, 0600-2100 OCT 1-MAY 14; OTHER TIMES CLASS G
Weather station: ASOS · 127.5 · ☎ 508-325-6082
ARTCC: BOSTON (ZBW)
Flight service (FSS): BRIDGEPORT · 122.1R · 1-800-WX-BRIEF
FSS outlet: RCO → Bridgeport Radio (24)
NOTAM facility: ACK
Attendance: ALL ALL
Beacon: white-green (SS-SR)
Segmented circle: Yes
Wind indicator: lighted
FAR 139 class: I C
Landing fee: Yes
Activated: 1940/04
Distance from city: 3 SE

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: WHEN ATCT CLSD ACTVT MALSF RWY 06; SSALR RWY 24; HIRL RWY 06/24; MIRL RWY 15/33; TWY LGTS - CTAF. PAPI RWY 06, 24 & 33 OPR 24 HRS. on 118.3 — Chart Supplement ↗

Runway lighting aids — 06: 4-light PAPI (right) + MALSF · 24: 4-light PAPI (left) + SSALR · 33: 4-light PAPI (left).

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance

Fuel available: 100LL, Jet A (additive)
Bottled oxygen: NONE
Bulk oxygen: NONE
Airframe service: NONE
Powerplant service: NONE
Parking: tiedowns, hangars
Other services: Air freight, Charter

Ownership & management 2 contacts

Owner

TOWN OF NANTUCKET

SELECTMAN'S OFFICE, NANTUCKET, MA

508-325-5300

Manager

WARREN SMITH

14 AIRPORT RD, NANTUCKET, MA

508-325-7531

Remarks FAA · 11 notes

General

BE AWARE OF HIGH-SPD MIL JET & HVY HEL TFC VCNTY AIR STATION CAPE COD.
ARPT HAS NOISE ABATEMENT PROCS CTC NOISE OFFICER 508-325-5300.
DEER & BIRDS ON & INVOF ARPT.
FOR CD IF TWR CLSD & UNA TO CTC FSS FREQ, CTC BOSTON APCH AT 603-594-5554.
TWY F RSTRD TO SML ACFT 12500 LBS OR LESS.
TXL F BTN TWY B & TWY H CLSD TO ACFT WITH WINGSPAN MORE THAN 79FT.
ALL ACFT, APU USE LMTD TO 15 MIN.

Runways

PCR VALUE: 770/F/A/X/T
PCR VALUE: 430/F/A/X/T

Lighting

WHEN ATCT CLSD ACTVT MALSF RWY 06; SSALR RWY 24; HIRL RWY 06/24; MIRL RWY 15/33; TWY LGTS - CTAF. PAPI RWY 06, 24 & 33 OPR 24 HRS.
SSALR UNMON WHEN TWR CLSD.

Embed KACK weather on your site free widget for schools, clubs & FBOs

Live METAR, flight category, and favored runway for KACK — paste this into your website's HTML. It updates automatically and stays free.

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<p style="font:14px system-ui;margin:6px 0 0"><a href="https://skyready.app/airport/kack">KACK live weather &amp; runways by SkyReady</a></p>

More widgets — crosswind, E6B, density altitude — on the embed page.

Nearby airports

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Also nearby: MA72 Tuckernuck Airport (9 NM) · MA55 Muskeget Island Airport (private) (12 NM) · 1B2 Katama Airpark (22 NM) · MA44 Trade Wind Airport (private) (26 NM)

About KACK

Nantucket Memorial Airport (ACK · KACK) is an airport in Nantucket, MA, at 47 ft MSL. It has 2 runways, the longest 6,303 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KACK, refreshed from the Aviation Weather Center and FAA NASR.

Does KACK have a control tower?

Yes. Nantucket Memorial Airport has an operating FAA control tower. See the Comms & NavAids section for tower and ground frequencies.

What is the longest runway at KACK?

Nantucket Memorial Airport has 2 runways; the longest is 6,303 ft. See the Runways section for headings, surface, and lighting.

Where is KACK?

Nantucket Memorial Airport is in Nantucket, MA, at an elevation of 47 ft MSL. Coordinates: 41.2531, -70.0602.

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Save KACK as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

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Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KACK in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.