Seaplane Base
Cavanaugh Bay, Idaho

FAA NFDC Information Effective 56-day cycle 08/17/2017 - 10/12/2017

Ops Comms Services Owner Runways IFR Procs Current NOTAMs Remarks


FAA Identifier:D28
Lat/Lng: 48.5388888889, -116.832222222
48-32-20.0000N, 116-49-56.0000W
Elevation: 2438 feet Estimated
Magnetic Variation: 19E, (1990), [15E (2017)]
Sectional: GREAT FALLS
From City: 1nm NW of Cavanaugh Bay


Use: Open to the public
Airspace Analysis: CONDITIONAL
Provided Aircraft Operating at Tanglefoot Spb Monitor 122.9 & Announce Intentions & Establish Traffic Patterns That Coincide with Cavanaugh Bay Airport Pattern.
Ownership: Privately owned
Activation: 02/1994
Attended: Apr-Oct Every day DAWN-DUSK (local)
Control Tower: no
ARTCC: Seattle Center (ZSE)
FSS: Boise FSS (BOI)
NOTAMs and Weather: BOI NOTAM-D service at airport
Wind Indicator: Unlighted
Landing Fee: no


CTAF: 122.900


Transient Storage: Tie-Down

Based Aircraft

Single Engine GA: 1
Multi Engine GA: 3
Total: 4

Annual Operations

For year ending: 08/19/2016
Local GA (< 20 miles): 50
Non-local GA: 250
Total: 300


Owner: Tanglefoot Limited
100 Waterbird Landing
Coolin, Id 83821
Manager: Loel Fenwick
100 Waterbird Landing
Coolin, Id 83821


Runways: 15/33

Runway 15/33

Length: 10000 feet
Width: 2000 feet
Surface: Water
End 15 End 33
Right Hand Pattern: Yes  
Objects affecting Navigable Airspace (CFR part 77): Utility runway with a visual approach Utility runway with a visual approach
Object Clearance Slope: 50:1 50:1



Additional Remarks

Tie Downs Available at Floating Docks; Parking Available on Beach.
Recommend Landing Seaplane Runway 15; Departure Seaplane Runway 33- When Winds Permit.
Cavanaugh Bay Airport Located Adjacent South - Announce Intentions - CTAF.
Runway 15/33 +5' No Wake Buoy Located in Landing Aera

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