Report for Cape Decision Light Station (Alaska) - 1932

District: 17th
Inspector: Dwight A. Chase
Location: Rocky site on south end of Kauiu Island
Date of Report: 05/03/1932
Latitude: 36° 00' 05"
Longitude: 134° 8' 3"
Site: Executive Order #3406
Date of Reservation: 02/14/1921
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 360 acres
Area Inclosed: None
Character of Soil:
Distance of tower from Nearest High-Water Mark: 40 feet
Inclosures to Premises / Type of Fence:
Wharf or Landing on Premises: Wharf & derrick.
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By boat direct to station or by boat to Port McAuther, thence by trail about 5 miles to station.
Distance to Nearest Road:
Distance to Post Office: PO in Wrangall, 70 nautical mailes
Distance to Village:
Facilities for Public Conveyance:
Facilities for Private Conveyance:
Means Used for Support of Lantern: Square concrete tower rising from center of rectangular concrett building.
Number of Separate Lights: 1
First Built or Established: March 15, 1932
Last Rebuilt, Repaired, or Renovated: Placed in operation March 15, 1932.
Condition at This Date:
Shape of Tower in Plan:
Form of Tower:
Height from Base to Ventilator Ball:
Height of Focal Plane Above Mean High Water: 96 feet above MHW
Background of Lighthouse as Seen from Sea: Low timbered hill, then mountains.
Color of Tower: White
Color of Tower/ How Produced: Paint
Tower Connection: All 1 building.
Object of Navigation: Aid to vessels navigating Sumner Strait & Chatham Strait & entering SE Alaska from Bulf of Alaska.
Building Materials: Reinforced concrete.
General Description:
Wall Thickness at Base:
Wall Thickness at Parapet:
Diameter at Base:
Diameter at Parapet:
Kind of Stairway and Steps: Reinforced concrete.
Number of Landings:
Size of Glass: 10" x 12"
Number of Windows and Size of Sash: 2 - 2' 6" x 2'
Number of Doors: 2 - 2' x 6' & 2.5' x 6' 10"
Kind of Foundation and Depth Below Surface:
Character of Soil Surrounding the Lighthouse: Rock.
Soil Susceptibility:
Miscellaneous Remarks: Reinforced concrete building. Built on solid rock.
Lantern and Fixtures
Order of Lantern: 3rd
Shape of Lantern: Cylindrical
Diameter to Glass: 7' 11" inside
Diameter in the Clear:
Number of Sides:
Type of Bars: Helical
Thickness of Bars: 3/4"
Height Glazed: 6'
Number of Plates in Height: 2
Number of Plates Each Side:
Thickness of Plates: 1/4"
Size of Plates: 24" x 24"
Number of Storm Panes:
Unglazed Side of Lantern:
What Bearings: Light obscured form 134 degrees to 245 degrees
Construction Material Lantern: Iron
Construction Material Roof / Cowl: Iron
Ventilator / Cowl:
Lightning Spindle:
Description of Lightning Rod:
Balustrade: 2" galv. iron pipe rail, concrete floor
Lantern Doors: Heavy bronze hinges
Floor of Lantern: Concrete.
Watchroom Doors: Wooden brass hinges.
Parapet Diameter:
Location / Number: Both
Ladders / Cleaning Arrangement: Iron
Curtain Hooks / Hanger: Screwed on, spring roller curtains.

How is Watchroom Fitted: No specific watch room
How is Relief Called: None
Where is Call System Led: No.
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles: 17,000 cp
Name of Maker: Don't known. Transferred for 10th dist.
Year Made: Unknown
Marks and Number: None.
Order of Apparatus: 3rd order, 252 degree lens, 108 degree Prismatic r
Inside Diameter:
Light Characteristic: Flash, 2 seconds, eclipse 1 sec. flash 2 sec. eclipse 10 sec.
Time of Revolution:
Flash Interval:
Duration of Flash: 2 seconds
Arc of Each Fixed Part:
Number of Panels: 3
Number of Flash Panels: None
Arc of Each: None
Number of Elements in Central Drum: 6
Number of Prisms Above Center Drum: 11
Number of Prisms Below Center Drum: 4
Does Apparatus Revolve?: False
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced: Electric code machine used to flash light.
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: Cast steel plates supported on 5 2" pipe legs.
Service Table:
Draft Tube Description:
Revolving Machinery:
Standby and Description:
Chariot Float or Balls:
Chariot Description:
Length of Drop Tube:
Clock Weight:
Length of Winding Time:
Drive During Rewind:
Machinery Protection:
Lens Protection: None
How Color is Produced: White light
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description: P-S-35 Inside frosted
Type of Illuminant: Electric
Number of Spare Lamps: 17
Number of Spare Burners: 1
Candle Power: 300 watt source
Closets and Store Rooms
Tower Closet Use: Shelves for storage
Oil House Description: Cistern type built in basement walls, on west side, also drums storage space.
Oil House Inside Dimension: 3' 5" x 9' x 11'
Oil House Construction Material: Concrete.
Oil House Capacity: About 4500 gallons
Other (Describe): 1 closet in each keeper's bedroom for personal effects, 1 7'6" x 7' 2" food storage coloset of main hall. 3 misc. closets between radio & engine room.
Suitability: Very well suited.
Fog Signal General
Fog Signal Kind: Tyfon #425 in duplicate
Time to Start: 2 minutes
How Long Will Pressure Last: About 10 minutes.
Manufacturer: Wils F. Word, New York City.
Year of Manufacture: Unknown
Characteristic: 3 sec. blast, 3 sec. silent, 3 sec blast, 21 sec silent.
Duplication: Engine, Compressors, Air receivers, Electric air balves, 2 horns (Tyfons).
Timing Device: 11th District electric code machine & solenoid air valves.
If whistle, siren, or trumpet, Pressure at Which Blown: 45 lbs.
Height Above Water: 60 feet
Compass Direction: South
Location: On the Point, Soouthern extremity of Kugu Island.
Distance and Direction: On roof headed south.
Water Supply: Engine water concrete cistern in basement.
Reached from Lighthouse: Same building.
Description of Fog Signal Building: Combination light tower, fog signal builidng & dwelling. 1 story & basement reinforced concrete structure surmounted by light tower.
Pressure And Recording Gauge: American Steam Gauge Mfg. Co.
Internal Combustion Signal
Fog Signal Kind:
Internal Combustion Kind: 4 cylinder, Kerosene
Internal Combustion Manufacturer: Continental Motors, Detroit, Mich.
Internal Combustion Date: About 1931
Internal Combustion Size: 4.5" x 5" stroke
Internal Combustion Horsepower: 26
Internal Combustion Fuel: Kerosene
Internal Combustion Starter: Electric motor starter.
Compressor Maker: The Rix Co., Inc. Sam Francisco, 1931
Compressor Seat: Mounted on structural steel base.
Compressor Machinery: Direct connected
Compressor Diameter: 6"
Compressor Stroke: 4.5"
Compressor RPMs: 800
Character of Air Inlet: 2.5"
Kind of Unloader: 2.5"
Diameter of Delivery Pipe: 2.5"

Trumpet Signal
Trumpet: Tygon horn
Trumpet Length: 45"
Trumpet Diameter: 21"
Trumpet Material: Bronze

Air Receiver
Number: 2
Diameter: 43"
Height: Length 10'
Capacity Cubic Feet: 100
Pressure in Each:
Make of Reducing Valve:
Location: No separate dwellings. Quarters are provide in light & fog signal building.
Construction Materials:
Number of Rooms:
Number of Dwellings:
Heating Plant: Hot water - American Idsal Redflash Boiler 2-W-7.
Number of Keepers: 3
Furnished Quarters: All
NOT Furnished Quarters: None.
Outhouses: Boat house, hoist & blacksmith shop
Outhouse Coloring: White
Paths and Walks: Trestled runway.
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available: None
Area Cultivated: None.
Character of Surroundings: Rock. Country forested except in immediate vicinity of station.
Stove, Maker: Monarch range #7556
Stove, Size: 6 hole
Sink, Maker: Crane Co.
Sink, Size: 36" x 18"
Pump, Maker: Delco
Pump, Size:
Lamps: All electric station, no lamps
How Procured: Rain water from roof.
Quality: Good
Injury Possible: Yes.
Purity Precaution: Brick filter wall.
Tank Capacity: 30,000 & 11,000 gal. cistrin beneath building.
Tank Material: Concrete.
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling: Water pumped from cisterns to system by "Delco" electric automatic water pu
General Opinion: Good.
Diseases: None.
Prevalency: No.
Local Causes: No.
Recommended Improvements: No.
Access to Lighthouse: Dock 34 feet above high water. Tramway connects dock to main building
Distance and Direction: About 300 feet NE.
Miscellaneous Remarks: Hoist made by Hasse-Ersted Iron Works, Portland OR. Derrick has 70' boom, 40' mast & 2 60' stiff legs. All timbers are 14" x 14". Rated capacity of derrick, 5 tons.
Boat #1
Boat Number: 70
Type: Dory
Length: 5' 4"
Width: 19'
When Built: Purchased 4-2-26
Date Harbored at Station: 1919
Sails: False
Suited to Work: Yes
Boat #2
Boat Number: 85
Type: Launch
Length: 7' 1"
Width: 24' 2.5"
When Built: Aug. 1931
Date Harbored at Station: 1931
Sails: False
Suited to Work: Yes

Power Boat
Engine Type: Gasoline
Horsepower: 35
Engine Maker: Universal Superfour
Spare Coil:
Magnet: No magneto. Autolite ignition system. Spark coil,
Propeller Diameter: 20"
Propeller Pitch: 19"

Hoisting Engines
Hoisting Engine Kind: Hercules, 4 cylinder
Engine RPMs:
Engine Diameter:
Engine Stroke:
Engine Boiler:
Engine Maker and Date: Hercules Motor Corporation.
Serial Number:
Cylinders and Size: 4
Horsepower: 40 HP
Hoist Starter:
Hoist Miscellaneous:

General Information:
Boats on Station: In boat house.