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CL18 Big Dalton Dam Emergency Heliport
Glendora, California, USA

FAA INFORMATION EFFECTIVE 07 AUGUST 2025

Location

FAA Identifier: CL18
Lat/Long: 34-10-03.8500N 117-48-40.4800W
34-10.064167N 117-48.674667W
34.1677361,-117.8112444
(estimated)
Elevation: 1593 ft. / 486 m (estimated)
From city: 4 miles N of GLENDORA, CA
Time zone: UTC -7 (UTC -8 during Standard Time)
Zip code: 91741

Heliport Operations

Heliport use: Private use. Permission required prior to landing
Activation date: 07/2023
Control tower: no
ARTCC: LOS ANGELES CENTER
FSS: RIVERSIDE FLIGHT SERVICE STATION
Attendance: UNATNDD
Wind indicator: lighted
Segmented circle: no
Lights: ACTVT PERIMETER LIGHTS 5 CLICKS, FLOODLIGHTS 7 CLICKS - VHF 123.075.

Heliport Communications

WX AWOS-3PT at POC (5 nm S): PHONE 909-596-1523
WX AWOS-3P at CCB (7 nm SE): 119.525 (909-985-4731)
WX AWOS-3PT at EMT (12 nm SW): 118.75 ((626) 444-1107)
WX ASOS at ONT (12 nm SE): PHONE 909-937-2186
WX ASOS at CNO (14 nm SE): PHONE 909-393-5823
WX AWOS-3PT at AJO (19 nm SE): 132.175 (951-340-4764)
WX ASOS at FUL (20 nm SW): PHONE 714-870-1372

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
POMr332/5.5POMONA VORTAC110.4015E
PDZr302/20.5PARADISE VORTAC112.2015E
RALr291/(22.0)RIVERSIDE VOR108.6014E
SLIr013/26.1SEAL BEACH VORTAC115.7015E
ELBr338/29.8EL TORO VOR/DME117.2014E
PMDr141/30.5PALMDALE VORTAC115.5515E
VCVr205/33.0VICTORVILLE VOR/DME109.0514E
SMOr059/33.4SANTA MONICA VOR/DME110.8015E
LAXr050/33.9LOS ANGELES VORTAC113.6015E
VNYr081/33.9VAN NUYS VOR/DME113.1015E
HDFr293/(39.0)HOMELAND VOR112.0514E

Heliport Services

Runway Information

Helipad H1

Dimensions: 46 x 46 ft. / 14 x 14 m
Surface: concrete, in good condition
Weight bearing capacity: 
Single wheel: MAX GW 12000 LBS.
Runway edge lights: PERI
Latitude: 34-10.064167N
Longitude: 117-48.674667W
Elevation: 1593.0 ft.
Traffic pattern: leftleft
Markings: basic, in good condition

Heliport Ownership and Management from official FAA records

Ownership: Publicly-owned
Owner: LOS ANGELES COUNTY PUBLIC WORKS
900 S FREMONT AVENUE
ALHAMBRA, CA 91803
Phone 626-458-6351
OWNER CTC: SCOTT GREGOWSKI (SGREGOWSKI@DPW.LACOUNTY.GOV)
Manager: GARY ELROD
2600 BIG DALTON CANYON ROAD
GLENDORA, CA 91741
Phone 626-857-3652
EMAIL: GELROD@DPW.LACOUNTY.GOV

Additional Remarks

- CAUTION - HIGHER CANYON TRRN TO EITHER SIDE OF FLIGHTPATHS.
- CAUTION - DAM BNTH NE FLIGHTPATH.

Instrument Procedures

There are no published instrument procedures at CL18.

Some nearby airports with instrument procedures:

KPOC - Brackett Field Airport (5 nm S)
KCCB - Cable Airport (7 nm SE)
KEMT - San Gabriel Valley Airport (12 nm SW)
KONT - Ontario International Airport (12 nm SE)
KCNO - Chino Airport (14 nm SE)
KAJO - Corona Municipal Airport (19 nm SE)
KFUL - Fullerton Municipal Airport (20 nm SW)
  
Loc | Ops | Rwys | IFR | FBO | Links
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Luxivair - San Bernardino International Airport
 
Aerial photo
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Airport distance calculator
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From to CL18

Sunrise and sunset
Times for 23-Aug-2025
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight05:5312:53
Sunrise06:1913:19
Sunset19:2802:28
Evening civil twilight19:5402:54

Current date and time
Zulu (UTC)  24-Aug-2025 01:52:51
Local (UTC-7)  23-Aug-2025 18:52:51
 
METAR
KPOC 
5nm SE 		240047Z 26008KT 10SM CLR 36/17 A2985
KCCB 
7nm SE 		 119.525 909-985-4731
240115Z AUTO 26010KT 10SM CLR 34/16 A2986 RMK AO2
KEMT 
12nm SW 		240045Z 21014KT 10SM CLR 32/18 A2980
KMWS 
13nm W 		240120Z 22005G07KT 27/12
KONT 
13nm SE 		240053Z 22013KT 10SM FEW110 BKN180 BKN250 36/18 A2983 RMK AO2 SLP079 T03560183 $
KCNO 
15nm SE 		240053Z 22012KT 10SM FEW100 BKN200 34/19 A2982 RMK AO2 SLP092 T03440189
KAJO 
19nm SE 		240056Z AUTO 27011G17KT 10SM CLR 34/20 A2981 RMK AO2 SLP088 T03390200
KFUL 
20nm SW 		240053Z VRB03KT 10SM CLR 29/17 A2980 RMK AO2 SLP091 T02940167
TAF
KONT 
13nm SE 		232126Z 2321/2424 VRB05KT P6SM VCSH SCT150 BKN250 FM240000 25009KT P6SM SCT150 SCT250 FM240400 25005KT P6SM FEW250 FM241900 24012KT P6SM SCT120 SCT250
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