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CO04 Denning Airport
Keenesburg, Colorado, USA

FAA INFORMATION EFFECTIVE 19 FEBRUARY 2026

Location

FAA Identifier: CO04
Lat/Long: 40-00-06.9374N 104-24-56.2822W
40-00.115623N 104-24.938037W
40.0019271,-104.4156339
(estimated)
Elevation: 4977 ft. / 1517 m (estimated)
From city: 8 miles SE of KEENESBURG, CO
Time zone: UTC -7 (UTC -6 during Daylight Saving Time)
Zip code: 80643

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 08/2023
Control tower: no
ARTCC: DENVER CENTER
FSS: DENVER FLIGHT SERVICE STATION
Attendance: 
Segmented circle: no

Airport Communications

WX AWOS-3 at CFO (14 nm SW): 119.025 (303-261-9104)
WX ASOS at DEN (15 nm SW): PHONE 719-204-1223

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
DVVr048/11.6MILE HIGH VORTAC114.7008E
DENr037/16.0DENVER VOR/DME117.9008E
FQFr016/21.0FALCON VORTAC116.3011E
GLLr155/30.8GILL VOR/DME114.2013E
BJCr070/33.7JEFFCO VOR/DME115.4011E

Airport Services

Runway Information

Runway 17/35

Dimensions: 863 x 35 ft. / 263 x 11 m
Surface: gravel, in fair condition
RUNWAY 17  RUNWAY 35
Latitude: 40-00.186667N40-00.044580N
Longitude: 104-24.938333W104-24.937740W
Elevation: 4976.2 ft.4969.5 ft.
Traffic pattern: leftleft

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: DENNING FAMILY TRUST
201 HIGHWAY 79
KEENESBURG, CO 80643
Phone 970-396-3205
Manager: TODD E. DENNING
201 HIGHWAY 79
KEENESBURG, CO 80643
Phone 970-396-3205

Instrument Procedures

There are no published instrument procedures at CO04.

Some nearby airports with instrument procedures:

KCFO - Colorado Air and Space Port Airport (14 nm SW)
KDEN - Denver International Airport (15 nm SW)
KBKF - Buckley Space Force Base (24 nm SW)
KGXY - Greeley-Weld County Airport (28 nm N)
KEIK - Erie Municipal Airport (29 nm W)
  
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From to CO04

Sunrise and sunset
Times for 04-Mar-2026
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight06:0013:00
Sunrise06:2713:27
Sunset17:5100:51
Evening civil twilight18:1901:19

Current date and time
Zulu (UTC)  04-Mar-2026 19:09:08
Local (UTC-7)  04-Mar-2026 12:09:08
 
METAR
KCFO 
14nm SW 		041747Z 05005KT 10SM CLR 12/M02 A3006
KDEN 
15nm SW 		041853Z VRB04KT 10SM FEW040 FEW150 13/M02 A3001 RMK AO2 SLP136 T01281017
TAF
KDEN 
15nm SW 		041736Z 0418/0524 08006KT P6SM FEW150 FM041900 10007KT P6SM FEW150 FM042300 14007KT P6SM SKC FM050500 19010KT P6SM SKC FM051400 24007KT P6SM SCT220 FM051900 15009KT P6SM FEW150 SCT220
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