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 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
- 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 |
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, never named. All aircraft registered in Washington.
Accidents and incidents at or near this heliport NTSB records
No NTSB accident or incident records name this heliport.
Nearby within 30 nautical miles
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 5, 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.