Lower Monumental Dam Heliport
WN84 · Kahlotus, Washington · Franklin County · map
Lower Monumental Dam Heliport is a private heliport owned by the U.S. Army Corps of Engineers in Kahlotus, Washington, 465 feet above sea level. Its landing pad, H1, is 200 by 200 feet of asphalt.
Private use: permission from the owner is required before landing here.
The heliport facts, runways, radio, fuel and services, the FAA's remarks
The airport
- Codes
- FAA WN84
- Kind
- Heliport · private use, permission required · publicly owned
- Owner
- U.S. Army Corps of Engineers
- Elevation
- 465 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Fuel and services
- no fuel reported; the services card below
- On the chart
- Seattle sectional
- Magnetic variation
- 19E
- In the FAA's files since
- September 1987
Landing pad
For understanding the field, not for navigation.
| Pad | Length × width | Surface | Lights |
|---|---|---|---|
| H1 | 200 × 200 ft | Asphalt |
Fuel and services as reported to the FAA
The FAA's record lists no fuel or services for this heliport.
Nearest fields reporting jet fuel: Walla Walla Regional (30 nm south), Tri-Cities Airport (30 nm southwest), Richland Airport (35 nm southwest).
Nearest fields reporting avgas: Othello Municipal (26 nm northwest), Walla Walla Regional (30 nm south), Tri-Cities Airport (30 nm southwest), Martin Field (31 nm south).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in Washington · avgas.
Who flies and works here aircraft registered in town, the companies, the examiners nearby
Aircraft registered in Kahlotus from the FAA register
1 aircraft are registered to owners in Kahlotus, Washington: 1 piston single. Not every one of them is based at this heliport; the based-aircraft count above is the FAA's figure for this heliport alone.
Individuals are counted, not named (the site's policy at this time). All aircraft registered in Washington.
Safety record the NTSB's cases at or near this heliport
Accidents and incidents at or near this heliport NTSB records
No NTSB accident or incident records name this heliport.
Nearby within 30 nautical miles
Connections how this heliport links to the rest of the register
- Aircraft registered in Kahlotus 1 aircraft · 1 piston singles
- Accidents and incidents in Washington 2,709 since 1982 · 359 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in Washington 131 landing places
- Washington 10,571 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/WN84.json.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 27, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.