Big Dalton Dam Emergency Heliport
Daylight today(Sep 2, 2026, local time)
About 12h 53m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Big Dalton Dam Emergency Heliport
Big Dalton Dam Emergency Heliport is a heliport in Glendora, United States. It sits at an elevation of 1,593 ft (486 m) and has 1 runway, the longest 46 ft / 14 m. It observes America/Los Angeles local time. The nearest airport is Brackett Field (POC), about 4.8 nm to the sse.
Summary generated from this airport’s structured data — reference only.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| H1 | 46 ft / 14 m | 46 ft | Con | Lighted | Open |
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Tower 1 | 489 ft | 292 ft | — |
| Tower 3 | 489 ft | 312 ft | — |
| Tower 4 | 489 ft | 295 ft | — |
| Tower 2 | 489 ft | 322 ft | — |
| Tower 5 | 489 ft | 282 ft | — |
| Tower 1 | 246 ft | 325 ft | — |
| Tower 2 | 246 ft | 315 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Big Dalton Dam Emergency Heliport.
Frequently asked questions
Where is Big Dalton Dam Emergency Heliport located?
Big Dalton Dam Emergency Heliport is heliport located in Glendora, United States, at an elevation of 1,593 ft (486 m).
How many runways does Big Dalton Dam Emergency Heliport have?
Big Dalton Dam Emergency Heliport has 1 runway, the longest being 46 ft / 14 m.
What time zone is Big Dalton Dam Emergency Heliport in?
Big Dalton Dam Emergency Heliport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at Big Dalton Dam Emergency Heliport?
The magnetic variation (declination) at Big Dalton Dam Emergency Heliport is approximately 11.3° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Big Dalton Dam Emergency Heliport?
The nearest airport to Big Dalton Dam Emergency Heliport is Brackett Field (POC), about 4.8 nm to the sse, followed by Upland-Cable Airport and San Gabriel Valley Airport.
Is the information on this page suitable for flight planning?
No. Big Dalton Dam Emergency Heliport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.