The U.S. aircraft register, updated daily
Airports · Montana · seaplane base · FAA file effective October 29, 2026

Brown Cabin Seaplane Base

6MT4 · Libby, Montana · Lincoln County · map

Brown Cabin Seaplane Base is a private seaplane base, 28 miles southeast of Libby, Montana, 3,340 feet above sea level. It has 1 water landing area.

Private use: permission from the owner is required before landing here.

The seaplane base facts, runways, radio, fuel and services, the FAA's remarks

The airport

Codes
FAA 6MT4
Kind
Seaplane base · private use, permission required · privately owned
Elevation
3,340 feet above sea level
Control tower
No control tower
Fuel and services
no fuel reported; the services card below
On the chart
Great Falls sectional
In the FAA's files since
May 2020

This airport's record at the FAA

Runway

11W29WN5,000 ft
Runways drawn to scale from the FAA's positions, north up.

For understanding the field, not for navigation.

RunwayLength × widthSurfaceLights
11W/29W12,000 × 500 ftWater
  • Runway 29W: right-hand traffic pattern

Fuel and services as reported to the FAA

The FAA's record lists no fuel or services for this seaplane base.

Nearest fields reporting jet fuel: Libby Airport (22 nm northwest), Kalispell City Airport (33 nm east), Plains Airport (35 nm south), Glacier Park International (37 nm northeast).

Nearest fields reporting avgas: Libby Airport (22 nm northwest), Thompson Falls Airport (29 nm south), Kalispell City Airport (33 nm east), Plains Airport (35 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 Montana · avgas.

Who flies and works here aircraft registered in town, the companies, the examiners nearby

Aircraft registered in Libby from the FAA register

21 aircraft are registered to owners in Libby, Montana: 18 piston singles, 1 weight-shift or powered parachute, 1 helicopter, 1 drone. Not every one of them is based at this seaplane base; the based-aircraft count above is the FAA's figure for this seaplane base alone.

Individuals are counted, not named (the site's policy at this time). All aircraft registered in Montana.

Safety record the NTSB's cases at or near this seaplane base

Accidents and incidents at or near this seaplane base NTSB records

No NTSB accident or incident records name this seaplane base.

Connections how this seaplane base links to the rest of the register

In town
Record
Around it

The whole map of how records connect · these connections as data: /graph/airport/6MT4.json.

Facts from the FAA's airport file effective October 29, 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 30, 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.