18TN Weather North Valley Medical Center Heliport

Dunlap, TennesseeElevation 784 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KCHA · 23 NM S · 53 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KCHA
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM, temperature 12.2C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly clear, low near 45F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Clear 45 0 kt – 0%
Monday Sunny 74/47 0 kt – 0%
Tuesday Mostly Sunny 76/48 0 kt – 0%
Wednesday Partly Sunny 73/47 SE 4 kt – 0%
Thursday Sunny 76/48 0 kt – 0%
Friday Mostly Sunny 78/54 0 kt – 6%
Saturday Slight Chance Rain Showers 76/58 SE 4 kt – 50%
Sunday Rain Showers Likely 75 S 4 kt – 61%

Source: National Weather Service (office MRX). Forecast issued 0346Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 18TN. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 50 ft

H1
Dimensions
50 x 50 ft
Surface
Concrete
Edge lights
PERI
RWY H1

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
784 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2254Z 5:54 PM
Sunrise
1157Z 6:57 AM
Loggable night
2320Z (6:20 PM local) → 1131Z (6:31 AM local)
end of evening to start of morning civil twilight
Position lights required
2254Z (5:54 PM local) → 1157Z (6:57 AM local)
sunset to sunrise (91.209)
Night passenger currency
2354Z (6:54 PM local) → 1057Z (5:57 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

North Valley Medical Center Heliport is in Dunlap, Tennessee. Field elevation 784 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerKEVIN MILLER
Manager phone423-778-3656
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA18TN
SectionalATLANTA
Center (ARTCC)ATLANTA
Flight service (AFSS)NASHVILLE
RegionTennessee
CountryUnited States
Coordinates35.3880, -85.3803
Distance from city0 NM NE
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

18TN has no on-field report. Nearest reporting station: KCHA (23 NM S, VFR).

AIRPORT REMARKS

Operational remarks

›PERIMETER LGT - 423-949-5752.
›FOR CD CTC CHATTANOOGA APCH AT 423-855-6478, WHEN APCH CLSD CTC ATLANTA ARTCC AT 770-210-7692.
FREQUENTLY ASKED
Does 18TN have a METAR?
No on-field METAR is issued for 18TN. This page uses the nearest reporting station as a reference.
Does 18TN have a TAF?
No TAF is issued directly for 18TN. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 18TN?
18TN sits at 784 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 18TN?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.