AirNav: CL18 - Big Dalton Dam Emergency Heliport

CL18

Big Dalton Dam Emergency Heliport
Glendora, California, USA

FAA INFORMATION EFFECTIVE 16 APRIL 2026

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 909-962-5407
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 909-472-0788
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
POMr332/5.5	POMONA VORTAC	110.40	15E
PDZr302/20.5	PARADISE VORTAC	112.20	15E
RALr291/(22.0)	RIVERSIDE VOR	108.60	14E
SLIr013/26.1	SEAL BEACH VORTAC	115.70	15E
ELBr338/29.8	EL TORO VOR/DME	117.20	14E
PMDr141/30.5	PALMDALE VORTAC	115.55	15E
VCVr205/33.0	VICTORVILLE VOR/DME	109.05	14E
SMOr059/33.4	SANTA MONICA VOR/DME	110.80	15E
LAXr050/33.9	LOS ANGELES VORTAC	113.60	15E
VNYr081/33.9	VAN NUYS VOR/DME	113.10	15E
HDFr293/(39.0)	HOMELAND VOR	112.05	14E

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:

left

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
Com | Nav | Svcs | Stats | Notes

Luxivair - San Bernardino International Airport

Aerial photo

Sectional chart

Airport distance calculator
Flying to Big Dalton Dam Emergency Heliport? Find the distance to fly. From to CL18

Sunrise and sunset

Times for 08-May-2026

	Local (UTC-7)	Zulu (UTC)
Morning civil twilight	05:29	12:29
Sunrise	05:56	12:56
Sunset	19:40	02:40
Evening civil twilight	20:07	03:07

Current date and time

Zulu (UTC)	08-May-2026 13:28:57
Local (UTC-7)	08-May-2026 06:28:57

METAR

KPOC 5nm SE	080247Z 26010KT 10SM CLR 21/13 A2996
KCCB 7nm SE	119.525 909-985-4731 081315Z AUTO 00000KT 1/4SM FG OVC002 13/13 A3001 RMK AO2
KEMT 12nm SW	080145Z 21008KT 10SM CLR 23/12 A2993
KMWS 13nm W	081220Z 31003G07KT 17/M03
KONT 13nm SE	081253Z 23004KT 5SM BR OVC007 14/13 A3001 RMK AO2 SLP151 T01440128 $
KCNO 15nm SE	081253Z AUTO 25003KT 7SM OVC007 14/13 A3002 RMK AO2 SLP161 T01440133
KAJO 19nm SE	081256Z AUTO 00000KT 9SM OVC010 13/13 A3002 RMK AO2 SLP160 T01330133
KFUL 20nm SW	081253Z AUTO 12004KT 10SM OVC012 17/14 A2999 RMK AO2 SLP155 T01670139

TAF

KONT
13nm SE

081120Z 0812/0918 VRB03KT 4SM BR BKN008 FM081600 VRB03KT 6SM HZ SCT010 FM082100 25012G19KT P6SM SKC FM090400 25007KT P6SM SKC FM090700 VRB04KT P6SM SKC TEMPO 0913/0916 6SM BR FEW007

NOTAMs

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