Airport information
- FAA LID
- 23N
- Coordinates
- 40.7580, -73.0527
- Elevation
- 41 ft MSL
- Magnetic variation
- 13W
- Sectional chart
- NEW YORK
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- NEW YORK (ZNY)
- Flight service (FSS)
- NEW YORK
- NOTAM facility
- ISP
- Attendance
- ALL 0800-DUSK
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1945/10
- Distance from city
- 1 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:47 AM | 08:47Z |
| Sunrise | 05:21 AM | 09:21Z |
| Sunset | 08:27 PM | 00:27Z |
| Evening civil twilight Loggable night begins | 09:00 PM | 01:00Z |
Loggable night (§1.1)
09:00 PM → 04:47 AM
Night currency (§61.57)
09:27 PM → 04:21 AM
Plan a flight from 23N
Runway 18/36
2,740 ft × 150 ft · Turf (Good) 18
- Heading
- n/a
- Markings
- nonstandard
- Traffic pattern
- Right
36
- Heading
- n/a
- Markings
- nonstandard
- Traffic pattern
- Left
- Displaced threshold
- 556 ft
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DPK · Deer Park | VOR-DME | 117.70 | r112° / 11.6 NM |
| CCC · Calverton | VOR-DME | 117.20 | r241° / 15.5 NM |
| FOK · Suffolk Co | TACAN | 111.00 | r269° / 19.7 NM |
| BDR · Bridgeport | VOR-DME | 108.80 | r184° / 24.4 NM |
| HVN · New Haven | VOR-DME | 109.80 | r207° / 31.2 NM |
| JFK · Kennedy | VOR-DME | 115.90 | r089° / 33.6 NM |
| HTO · Hampton | VORTAC | 113.60 | r267° / 34.8 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Parking
- tiedowns
- Other services
- Instruction
Ownership & management
Owner
TOWN OF ISLIP
3RD AVE, BAYPORT, NY
631-467-3300
Manager
ROBERT SCHNEIDER
100 ARRIVAL AVE, SUITE 100, RONKONKOMA, NY
631-467-3300
Remarks FAA
- ALL TFC ENTER 45 DEG LEFT BASE FOR RWY36 AT 600 MSL DUE HEAVY JET TFC RWY 33L AT ISP. ALL TFC ENTER 45 DEG RIGHT. DOWNWIND RWY 18 OVER LAKES AT 600 MSL DUE HEAVY JET TFC LNDG RWY 33L AT ISP.
- ALL DOWNWIND SPACING FOR RWY 18/36 S/B OVER LAKES FOR NOISE ABATEMENT.
- PHONE AT ARPT 631-467-3279.
- NO CLSD TFC PATTERN OR TOUCH AND GO LNDGS.
- ARPT CLSD 30 MIN AFTER SS TIL 30 MIN BEFORE SR.
- PILOTS BE ADVISED: DUE TO PATTERN PROCEDURES, AIRCRAFT IN THE RUN-UP AREA OR STARTING TAKEOFF ROLL ON RY 36, AND AIRCRAFT ON FINAL APPROACH TO RY 36, MAY NOT BE ABLE TO SEE EACH OTHER DUE TO TREES.
- FOR CD CTC NEW YORK APCH AT 516-683-2449.
- RWY 18/36: WEST 75 FT WIDTH OPEN MAY-SEPT, EAST 75 FT WIDTH OPEN OCT-APR.
- RWY 36 THLD MKD WITH 1 FT WIDE APN AND 2 FT WIDE THRD (WHITE) BOTH MADE WITH CONC BLOCKS FLUSH WITH TURF SFC.
- RWY 18 THLD MKD WITH CONC BLOCKS FLUSH WITH TURF SFC.
- RWY 36 THLD AND DTHR MKD WITH CONCRETE BLOCKS FLUSH WITH TURF SFC.
- RWY 36 CLNC SLOPE 10:1 TO DTHR.
- CTLG OBSTN EXCEEDS A 45 DEG SLP.
Nearby airports
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 23N in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.