Airport information
- FAA LID
- 21N
- Coordinates
- 40.9876, -72.5190
- Elevation
- 30 ft MSL
- Magnetic variation
- 14W
- Sectional chart
- NEW YORK
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- NEW YORK (ZNY)
- Flight service (FSS)
- NEW YORK
- NOTAM facility
- ISP
- Attendance
- UNATT
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1947/09
- Distance from city
- 1 SE
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 | 04:44 AM | 08:44Z |
| Sunrise | 05:18 AM | 09:18Z |
| Sunset | 08:25 PM | 00:25Z |
| Evening civil twilight Loggable night begins | 08:59 PM | 00:59Z |
Loggable night (§1.1)
08:59 PM → 04:44 AM
Night currency (§61.57)
09:25 PM → 04:18 AM
Plan a flight from 21N
Runway 01/19
2,200 ft × 60 ft · Asphalt (Good) 01
- Heading
- 013° mag · 359° true
- Markings
- basic
- Traffic pattern
- Left
19
- Heading
- 193° mag · 179° true
- Markings
- basic
- Traffic pattern
- Left
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| HTO · Hampton | VORTAC | 113.60 | r307° / 10.1 NM |
| FOK · Suffolk Co | TACAN | 111.00 | r043° / 10.3 NM |
| CCC · Calverton | VOR-DME | 117.20 | r088° / 13.2 NM |
| MAD · Madison | VOR-DME | 110.40 | r171° / 21.1 NM |
| HVN · New Haven | VOR-DME | 109.80 | r148° / 23.4 NM |
| BDR · Bridgeport | VOR-DME | 108.80 | r123° / 29.3 NM |
| GON · Groton | VOR-DME | 110.85 | r240° / 29.5 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns, hangars
Ownership & management
Owner
MATTITUCK AIRPORT SD, LLC
PO BOX 28037, PORTLAND, OR
631-445-4348
Manager
PAUL PAWLOWSKI
410 AIRWAY DRIVE, MATTITUCK, NY
631-445-4348
Remarks FAA
- ALL TRNG OPNS; TKOF/LNDG PRACTICE AND NIGHT OPNS ARE PROHIBITED.
- SEGMENTED CIRCLE HAS NO TFC PATTERN INDICATOR.
- DEER ON & INVOF ARPT.
- FOR CD CTC NEW YORK APCH AT 516-683-2449.
- CALL AMGR FOR PMSN TO LND.
- +5 FT FENCE & SHRUBS 0-200 FT FM THR ON BOTH SIDES OF RWY; +46 FT TREES 0-200 FT FM THR 75-120 FT R; +10 FT WIDE ROAD 0-20 FT FM BOTH SIDES OF RWY THR.
- +29 FT TREES 73 FT FM THR 38 FT R; +50 FT TREES 0 FT FM THR 64 FT L; +8 FT BERM 29-69 FT FM THR ON BOTH SIDES OF RWY.
- TWO STORY HOUSE 165 FT FM RWY THR, RIGHT OF CNTRLN.
- CTLNG OBSTN EXCEEDS 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 21N in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.