Long Island Mac Arthur Airport
ISP · KISP · New York, New York · Suffolk County · map
Long Island Mac Arthur Airport is a public-use airport owned by the Town of Islip, 40 miles east of New York, New York, 99 feet above sea level. It has 5 runways; the longest, 06/24, is 7,006 feet of asphalt. It has a control tower, fuel (100LL avgas, Jet A) and about 273 based aircraft. The FAA counts about 168,964 takeoffs and landings a year. About 687,539 passengers boarded flights here in the FAA's fiscal year 2024.
Weather right now KISP · observed 5:56 pm EDT (21:56 UTC), 56 minutes ago
VFR good flying weather
- Wind from the west-northwest (290°) at 6 knots
- Visibility 10 miles or more
- Temperature 59°F (15°C), dew point 33°F (1°C)
- Altimeter 30.05 inHg
The forecast issued Tue 3:53 pm EDT (19:53 UTC), good until Wed 2:00 pm EDT (18:00 UTC)
- From Tue 4:00 pm EDT (20:00 UTC): wind from the northwest at 11 knots, visibility more than 6 miles, clear skies VFR
- From Tue 7:00 pm EDT (23:00 UTC): wind from the northwest at 6 knots, visibility more than 6 miles, clear skies VFR
- From Wed 12:00 am EDT (04:00 UTC): wind light and variable, visibility more than 6 miles, clear skies VFR
- From Wed 10:00 am EDT (14:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, clear skies VFR
- From Wed 12:00 pm EDT (16:00 UTC): wind from the south-southwest at 10 knots, visibility more than 6 miles, clear skies VFR
The codes as issued (METAR and TAF)
METAR KISP 062156Z 29006KT 10SM CLR 15/01 A3005 RMK AO2 SLP174 T01500006
TAF KISP 061953Z 0620/0718 31011KT P6SM SKC FM062300 32006KT P6SM SKC FM070400 VRB03KT P6SM SKC FM071400 21006KT P6SM SKC FM071600 20010KT P6SM SKC
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA ISP · ICAO KISP
- Kind
- Airport · open to the public · publicly owned
- Owner
- Town of Islip
- Elevation
- 99 feet above sea level
- Control tower
- A control tower · 6:00 am to 12:00 am
- Attended
- around the clock
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar, tiedown
- Notes
- landing fee · certified for airline service (Part 139)
- On the chart
- New York sectional
- Magnetic variation
- 14W
- In the FAA's files since
- May 1943
Runways 5
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 06/24 | 7,006 × 150 ft | Asphalt, good | High-intensity lights |
| 15R/33L | 5,186 × 150 ft | Asphalt, excellent | Medium-intensity lights |
| 15L/33R | 3,175 × 75 ft | Asphalt, fair | |
| H1 | 50 × 50 ft | Asphalt, good | |
| H2 | 50 × 50 ft | Asphalt, good |
- Runway 06: ILS with DME, PAPI, four lights on the left, medium-intensity approach lights with runway alignment lights (MALSR), tree 38 ft high 1,340 ft from the end
- Runway 24: ILS with DME, PAPI, four lights on the left, medium-intensity approach lights with runway alignment lights (MALSR), right-hand traffic pattern
- Runway 15R: PAPI, four lights on the left, right-hand traffic pattern
- Runway 33L: PAPI, four lights on the left, trees 39 ft high 1,300 ft from the end
- Runway 33R: right-hand traffic pattern
Radio frequencies
| Common traffic advisory (CTAF) · Tower | 119.3 | Long Island |
| UNICOM | 122.95 | |
| ATIS (recorded airport information) · Isp and automated weather (ASOS) | 120.725 | Long Island |
| Clearance delivery | 121.85 | Long Island |
| Ground | 135.3 | Long Island |
| Tower (secondary) | 124.3 | Long Island |
| Approach and departure · Class C airspace · Nelie and star arriving from headings 180 to 329; arriving from headings 330 to 179 | 120.05 | Long Island |
| Emergency | 121.5 | Long Island |
| Isp and vot | 109.4 |
Automated weather (ASOS), by phone 631-471-0131.
Based aircraft as counted for the FAA, fiscal year 2024
Takeoffs and landings a year about 168,964, the FAA's fiscal year 2024 (October 2023 to September 2024)
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in New York from the FAA register
481 aircraft are registered to owners in New York, New York: 196 business jets, 149 piston singles, 54 turboprops, 35 helicopters, 22 piston twins. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in New York.
Accidents and incidents at or near this airport NTSB records · 31 since 1982, 4 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Adzy:traffic landing runway 33L high density VFR traffic operg 600 feet above sea level and below vicinity bayport aerodrome 3 miles southeast.
- Dusk to dawn. When the control tower closed activate medium-intensity runway lights runway 15R/33L; taxiway LGTS- the common traffic frequency. High-intensity runway lights runway 06/24 preset low intst activate - the common traffic frequency; approach lights (MALSR) runway 06 and 24 preset med intst for prevailing wind runway.
- Landing fee for all aircraft except military and government.
- Landing fee for all aircraft except military, government and NOT-FOR-PROFIT medical flights.
- Runway 15L/33R not available for part 121/PART 380 operations with schedule passenger carrying operations more than 9 passenger seats and unscheduled passenger carrying operations more than 30 passenger seats.
- Located on taxiway west south of int of taxiway B.
- Located on taxiway C north of taxiway south.
- Non-standard approach lights (MALSR); three outermost flasher lights exceed standard spacing.
- Non-standard markings, threshold bar misg on runway end.
- Non-standard markings, threshold bar misg on runway end.
- Bird actvty on and in the vicinity of airport.
- Taxiway south unlighted east of terminal apn.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.