1871-1900 Yaquina Head Lighthouse Letter books

actuality except for the initial voyage of such a vessel to The Dalles, Oregon, in 1939 to prove the channel was large enough for traffic of this type. A conference with marine interests was held in 1943 and a program for proposed aids between Vancouver, Washington and Bonneville was drawn up. The necessity for additional aids was intensified by the continual requests from government agencies to increase the total tonnage on the Columbia River because, due to the manpower shortage, inexperienced men were operating vessels over these treacherous waters and also because almost all railroad tank cars had been taken out of the area due to the war emergency. This placed an exceedingly large burden on the water carriers to transport the required petroleum products for the Army and Navy Air Forces on the Columbia River. The area was marked, at that time, by 6 ranges, 26 lights and 2 beacons.

The new program presented to Headquarters in 1945 requested that 51 structures be electrified and that duplex lanterns be replaced by single General Railway signal, Type "SA" lanterns in order to simplify and standardize equipment. This proposed project was approved by Headquarters and work began instantly. The contour of the shore in this area, near Multnomah Falls, created precipitous cliffs rising almost from the water's edge which prevented the use of the customary range, and, consequently, it was proposed to install experimental channel limiting group lights which had been temporarily established at Arlington beyond The Dalles, Oregon. (See Arlington Channel Limiting Group Lights under "Experimental Range Markings".) Headquarters disapproved the use of the new ranges and as a result, the area was left inadequately marked as the conventional two board ranges could not be established on the sheer banks. (A great number of the rear lights of conventional ranges installed above Celilo were fixed instead of flashing. When the lights were first installed, both front and rear lights were flashing. As this section of the river was very dangerous due to the rocks and whirlpools and side currents, the operators of the boats had very little time for observation of ranges which were astern when going up the rapids as the current and the whirlpools were continually changing the boat's course. If the light was at an eclipsed state when the operator looked back at the range, he was unable to determine whether or not he was on the course as very little time could be spent looking for the range.)

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Tests of the channel limiting group equipment were observed by the District Engineering and Marine Inspection Officers and it was their recommendation that it was worthwhile to establish and to put into use such an experimental range on the Columbia River. This was done at Arlington, Oregon, with Headquarters' approval, in the Spring of 1945. An investigation of the success of this type of range indicated that the majority of the operators preferred the old type regular center line lighted range of two boards. This preference, in the opinion of the District Coast Guard Office, was made primarily because of the lack of understanding and the use of the limiting channel range and, consequently, detailed printed instructions were issued to all operators in the Celilo-Pasco District where the Arlington range was located. As a result, more favorable comments were received in regard to the use of the limiting channel lights, but, notwithstanding, Headquarters would not authorize their establishment on other ranges where the two-board range was impracticable because of the terrain. This policy, which Headquarters adopted, left areas in the Columbia River unsafe for navigation as the lights and markings which could be established there provided only inadequate coverage.

INCREASE OF AIDS AND CHANNEL IMPROVEMENTS

Recommendations for the increase of aids to insure safety of mariners in the Upper Columbia were presented to the District Coast Guard Officer and Headquarters by the Board of Survey. Headquarters felt that complete justification for the project as a whole, as being vital to the war effort, had not been furnished, and requested that a complete list of all shipping interests concerned, the extent of their operations, and a list of all government agencies involved there in the war interest, be furnished. Letters from navigation companies indicating the large burdens placed on water carriers to transport the required petroleum products to Army and Navy installations on the Columbia were forwarded to Headquarters together with freight tonnages and traffic statistics. The proposed improvements were then approved and an appropriation of $50,000 was granted. (June, 1940). Additional appropriations were granted later.

The Snake River, which enters the Columbia just south of Pasco, Washington, was not navigable except during high water from the middle of March to the middle of July. At the time of the survey, the U. S. Army Engineers were contemplating the improvement of the Snake River by providing a

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assurance that the plan in use was, by actual test, perfected. This recommendation was made to the Navy by the Aids to Navigation Officer in the early period of the war; the recommendation suggested that such a trial be made during the summer and in daylight when weather conditions would not necessitate mariners' dependence on lights or sound aids. This proposal was not approved.

Although at the cessation of hostilities, the Blackout lost its purpose for existence, the Plan was kept current in the even there should again be use for it. A complete revision, however, was necessary as the "S" signal for blacking out and relighting aids was cancelled by the Communications Officer. Without the "S" signal, the Plan in effect at the end of the war was not feasible. The Commandant, 13th Naval District, ordered the Port Townsend and Oak Bay aids relighted, an act which virtually ended the Blackout as these were the last two extinguished aids to return to operation. The Blackout had served well.

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SPECIAL BUOYS

RACONS (see following chapter) were primarily navigational aids for aircraft during the war years. However, since RADAR equipment was installed aboard Navy vessels, merchant ships, Coast Guard cutters and numerous other surface craft, it became another function of the Coast Guard to establish and maintain some sort of system to enable these ships to calibrate their RADAR equipment. A system of buoys equipped with targets or reflectors was developed by the Navy to furnish these vessels a means of testing their RADAR range and the alignment of the optical system with their RADAR antennae.

The first such buoy in the District established for the specific purpose of RADAR range calibration was placed in the west end of Dalco Passage in September, 1943. This buoy was installed at the request of the Seattle-Tacoma Shipyard and the Navy and was used mainly in the calibration of RADAR installations aboard newly constructed vessels. The buoy was an ordinary first class tall type can bearing no special equipment; it was in operation as long as the Seattle-Tacoma Shipyard was engaged in ship construction.

As the war progressed, the traffic of damaged vessels to the Puget Sound Navy Yard for repair, increased. The single buoy in Dalco Passage was found inadequate to meet calibration demands and its type was not entirely satisfactory. The need for additional RADAR calibration buoys was plainly evident due to the fact that RADAR installations aboard surface craft had also greatly increased. Using the regular first class can as a base, three more buoys, designed for RADAR calibration, were developed and located southeast of Blake Island. These buoys utilized the lighting equipment (Wallace and Tiernan) for use in can buoys and which had originally been purchased by the 13th Naval District for installation on Jefferson Point Degaussing Range. As buoys were stationed in waters through which towing vessels proceeding form the Tacoma-Olympia Area toward Seattle passed, small flags were installed to make the buoys more easily sighted by the towing boat operators. Although the buoys and lights were provided by the Coast Guard, the reflectors and additional floats were manufactured and installed by the Navy. The duty for maintaining the buoys and servicing the lights fall to the Coast Guard.

South of Willapa Bay, approximately 4 miles off the Washington Coast, a target buoy for aircraft RADAR calibration was placed on station in September, 1944. This target buoy was the only special buoy in the District not maintained for marine RADAR calibration alone. Installed temporarily at the request of the Naval Air Station, Astoria,

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the buoy remained in service for the duration of the war. The buoy was originally equipped with a flashing white light which was removed the following year, as the lantern was damaged in hoisting the buoy. Naval authorities recommended that the light be removed as it was not needed in the capacity in which the buoy was operating.

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(left) CONVERTED CAN BUOY WITH RE FLECTORS FOR RADAR CALIBRATION. RE FLECTORS INSTALLED BY NAVY ON COAST GUARD BUOY. THIS IS TYPE OF SPECIAL BUOY INSTALLED AT BLAKE ISLAND.

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(right) BLAKE ISLAND RADAR CALIBRA TION BUOY ON STATION. WALLACE AND TIERNAN LIGHTING EQUIPMENT AND RE FLECTORS INSTALLED ON REGULAR FIRST CLASS CAN. SMALL FLAG FACILITATED BUOY BEING SIGHTED MORE READILY BY TOWING BOAT OPERATORS.

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