KNHK — Patuxent River NAS (Trapnell Fld)
Patuxent River, MD · field elevation 39 ft · Class D airspace · ATCT-RATCF
2 AIRMETs & SIGMETs Read in the EFB →
KNHK current weather Live
VFR ceiling above 3,000 ft and visibility better than 5 statute miles
METAR KNHK 252352Z 32014KT 10SM SCT060 BKN120 BKN250 20/08 A2995 RMK AO2 SLP141 T02000078 10222 20200 55003 $
- Wind
- from 320° at 14 kt
- Visibility
- 10 statute miles
- Sky
- ceiling 12,000 ft AGL
- Temperature
- 20 °C / dewpoint 8 °C
- Altimeter
- 29.95 inHg
- Density altitude
- 605 ft · pressure altitude 9 ft
- Observed
- 12 minutes ago
Learn: reading a METAR, the weather course
Wind on each runway
Wind 320° at 14 kt. Positive is a headwind.
| Runway | Head / tail | Crosswind |
|---|---|---|
| 32 | 14 kt head | 3 kt from the right |
| 02 | 9 kt head | 10 kt from the left |
| 06 | — | 14 kt from the left |
| 24 | — | 14 kt from the right |
| 20 | 9 kt tail | 10 kt from the right |
| 14 | 14 kt tail | 3 kt from the left |
Calculator: crosswind components
48-hour trend
Eight days of observations, each readable in full — in the EFB →
Calculators: density altitude, pressure altitude, cloud base, crosswind
Pilot reports
1 within 50 nm in the last six hours, 16,000–16,000 ft.
Read them where they were filed — in the EFB →
Forecast
MOS guidance beside this TAF, both drawn along your route — in the EFB →
TAF KNHK 252200Z 2523/2623 36016G25KT 9999 SCT050 BKN120 BKN250 QNH2988INS BECMG 2605/2606 35022G38KT 9999 VCSH BKN050 OVC080 QNH2983INS BECMG 2610/2612 35018G30KT 9000 -RA BR BKN040 OVC080 QNH2982INS BECMG 2617/2618 34025G40KT 8000 -RA BR BKN030 OVC060 QNH2980INS AUTOMATED SENSOR METWATCH 2603 TIL 2611 TX21/2523Z TN17/26108 FN20117
Learn: reading a TAF, the weather course
Airport information
- Coordinates
- 38.28633, -76.40997
- Elevation
- 39 ft MSL
- Surface airspace
-
Class D
Two-way radio communication must be established before you enter, while the tower is open.
The same callsign rule as Class C. When the tower closes the airspace usually reverts to Class E, or to Class G where no surface area is charted — the Chart Supplement entry says which, and the hours are on the sectional. A surface area normally extends to 2,500 ft above the field, with the ceiling charted in a dashed blue box as a number in hundreds of feet.
- Sunrise / sunset
- 1057Z / 2256Z
- Tower hours
- 24 HRS++ MON-SUN, OTHER TIMES BY NOTAM.
- Magnetic variation
- 10°W (1985)
- Sectional
- Washington
- County
- St Marys, MD
Airport diagram
Everything else KNHK publishes — in the EFB →
Runways
| Runway | Length (ft) | Width (ft) | Surface | Lights |
|---|---|---|---|---|
| 06/24 | 11,799 | 200 | ASPH | HIGH |
| 14/32 | 9,732 | 200 | ASPH | HIGH |
| 02/20 | 5,021 | 75 | ASPH | — |
Frequencies
- Tower 24 HRS++ MON-SUN, OTHER TIMES BY NOTAM.
- 123.7
- Ground
- 120.6
- Clearance
- 135.2
- Approach 165-055 ABV 3000 FT
- 120.05
- Approach 165-055 3000 FT & BLW
- 121.0
- Approach 056-164 ALL ALTS
- 127.95
- Approach WHEN NHK APCH CLSD
- 135.625
Published procedures
- 1 approach — ILS/DME
Read the approach plates georeferenced — in the EFB →
Nearby airports
- KNUI Webster Nolf8 nm
- KCGE Cambridge-Dorchester Rgnl23 nm
- KXSA Tappahannock/Essex County34 nm
- KESN Easton/Newnam Fld35 nm
- KADW Joint Base Andrews38 nm
- KSBY Salisbury-Ocean City Wicomico Rgnl43 nm
Elsewhere
- Make a poster of the KNHK airport diagram or an approach plate
- Other Maryland airports
- How to read a METAR
- What VFR, MVFR, IFR and LIFR actually mean
- Live records — the strongest winds and lowest ceilings in the country right now
Weather from METAR and TAF, National Weather Service Aviation Weather Center. Airport, runway, frequency and procedure data from the FAA NASR 28-day cycle; charts from the FAA d-TPP. Advisory only — this is not a weather briefing.