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Big Dalton Dam Emergency Heliport HeliportPrivate

CL18 · Glendora, CA · 1,593 ft elevation · Towered

Airport information

FAA LID
CL18
Coordinates
34.1677, -117.8112
Elevation
1,593 ft MSL
Sectional chart
LOS ANGELES
Airport use
Private
Control tower
Yes
ARTCC
LOS ANGELES (ZLA)
Flight service (FSS)
RIVERSIDE
Attendance
UNATNDD
Segmented circle
No
Wind indicator
lighted
Activated
2023/07
Distance from city
4 N

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
05:10 AM12:10Z
Sunrise05:40 AM12:40Z
Sunset08:06 PM03:06Z
Evening civil twilight
Loggable night begins
08:35 PM03:35Z
Loggable night (§1.1)
08:35 PM → 05:10 AM
Night currency (§61.57)
09:06 PM → 04:40 AM

Plan a flight from CL18

Runway H1/

46 ft · Concrete (Good)

Edge lights: Peri.

H1
Heading
n/a
Markings
basic
Traffic pattern
Left
Heading
n/a

Headings shown are true (magnetic variation unavailable).

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
POM · PomonaVORTAC110.40r332° / 5.5 NM
PDZ · ParadiseVORTAC112.20r302° / 20.5 NM
RAL · RiversideVOR112.40r291° / 22.2 NM
SLI · Seal BeachVORTAC115.70r013° / 26.1 NM
ELB · El ToroVOR-DME117.20r338° / 29.8 NM
PMD · PalmdaleVORTAC114.50r141° / 30.5 NM
RIV · MarchTACAN113.00r287° / 30.9 NM

No published instrument procedures or Chart Supplement for CL18. VFR sectional link above.

Ownership & management

Owner
LOS ANGELES COUNTY PUBLIC WORKS
900 S FREMONT AVENUE, ALHAMBRA, CA
626-458-6351
Manager
GARY ELROD
2600 BIG DALTON CANYON ROAD, GLENDORA, CA
626-857-3652

Remarks FAA

  • SEE AIRSPACE CASE NO. 2023-AWP-2186-NRA.
  • CAUTION - HIGHER CANYON TRRN TO EITHER SIDE OF FLIGHTPATHS.
  • CAUTION - DAM BNTH NE FLIGHTPATH.
  • ACTVT PERIMETER LIGHTS 5 CLICKS, FLOODLIGHTS 7 CLICKS - VHF 123.075.
  • EMAIL: GELROD@DPW.LACOUNTY.GOV
  • OWNER CTC: SCOTT GREGOWSKI (SGREGOWSKI@DPW.LACOUNTY.GOV)
  • MAX GW 12000 LBS.

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open CL18 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.