WxDecoder

CD40 Weather Hilltop Heliport

Franktown, ColoradoElevation 6,737 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KAPA · 12 NM NW · 18 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 · KAPA
WIND
040@3
steady
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 from 80° at 4 kt, visibility 10 SM, temperature 11C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly clear, low near 38F, 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 38 S 14 kt 23 kt 0%
Tuesday Sunny 65/40 SSW 10 kt 16 kt 0%
Wednesday Mostly Sunny 66/38 S 8 kt 14 kt 0%
Thursday Mostly Sunny 65/41 SSE 7 kt – 0%
Friday Mostly Sunny 65/42 S 6 kt – 11%
Saturday Mostly Sunny 61/41 NNE 5 kt – 13%
Sunday Chance Rain Showers 58/39 S 9 kt – 54%
Monday Chance Rain And Snow Showers 53 NNW 15 kt – 48%

Source: National Weather Service (office BOU). Forecast issued 0111Z.

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 CD40. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 100 ft

H1
Dimensions
100 x 100 ft
Surface
Turf
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
6,737 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0004Z 6:04 PM
Sunrise
1321Z 7:21 AM
Loggable night
0032Z (6:32 PM local) → 1253Z (6:53 AM local)
end of evening to start of morning civil twilight
Position lights required
0004Z (6:04 PM local) → 1321Z (7:21 AM local)
sunset to sunrise (91.209)
Night passenger currency
0104Z (7:04 PM local) → 1221Z (6:21 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

Hilltop Heliport is in Franktown, Colorado. Field elevation 6,737 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerDARREN ALMSKOG
Manager phone(303) 304-9960
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATACD40
SectionalDENVER
Center (ARTCC)DENVER
Flight service (AFSS)DENVER
RegionColorado
CountryUnited States
Coordinates39.4294, -104.6590
Distance from city5 NM NE
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

CD40 traffic patterns

2026-07-28 to 2026-10-17, 3 days observed · data 2026-10-25

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
2
Activity trend over 2 days: flat, from 2 to 2 operations per dayOperations trend (2 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX
Piston single 67%Helicopter 33%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›B407 (Helicopter) · ~1 landings/mo
›C172 (Piston single) · ~1 landings/mo
›GC1 (Piston single) · ~1 landings/mo
Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

CD40 has no on-field report. Nearest reporting station: KAPA (12 NM NW, VFR).

KAPA Centennial Airport
12 NM NW
VFR
KBKF Buckley Space Force Base
17 NM N
VFR
KCFO Colorado Air and Space Port
22 NM N
VFR
KDEN Denver International Airport
26 NM N
VFR
KAFF USAF Academy Airfield
28 NM S
VFR
KFLY Meadow Lake Airport
29 NM S
VFR
AIRPORT REMARKS

Operational remarks

›LYLE BORDERS 303-643-4963
›FILED FOR RECORD PURPOSES ONLY.
›FOR CD CTC DENVER APCH AT 303-342-1916.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗CD40 on OurAirports
FREQUENTLY ASKED
Does CD40 have a METAR?
No on-field METAR is issued for CD40. This page uses the nearest reporting station as a reference.
Does CD40 have a TAF?
No TAF is issued directly for CD40. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at CD40?
CD40 sits at 6,737 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for CD40?
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.