96 U. S. BUREAU OF FISHERIES | 
boat No. 2 at the time it was destroyed by an explosion in 1935. 
Fourteen other small power boats were in use also, of which 5 were on 
Bristol Bay, 1 at Chignik, 2 in the Kodiak area, 2 on Cook Inlet, 2 in 
the Seward-Katalla district, 1 at Yakutat, and 1 on the west coast of 
Prince of Wales Island. 
In addition to the foregoing, the Wingham was again chartered for | 
patrolling the Copper River flats and, at the close of activities there, | 
for operation on Prince William Sound, and the chartered launch | 
Marie S was used on the Kuskokwim River. | 
AERIAL PATROL 
Supplementing the regular operations by Bureau vessels and small | 
boats, some use was made of aircraft in the general patrol of traps and 
fishing grounds. The latter is considered a very effective means of | 
enforcing the fishery laws and regulations, particularly from the 
standpomt of deterring illegal fishing. Rough water may at times | 
prevent the landing of a plane for making proper investigation when > 
violations are noted, but the possibility of apprehension, when it is | 
known that airplanes are being used for patrol purposes, makes the | 
fishermen more careful to observe the regulations for the protection — 
and conservation of the fisheries. | 
Chartered airplane service for the patrol of the fisheries in 1938 
was furnished by six companies on 23 days. The total flying time 
was 56 hours, during which the planes traversed 6,246 miles. This 
patrol included three trips made from Anchorage, covering sections 
most extensively fished on the east and west coasts of the Cook 
Inlet area. Twelve and one-half hours flying time were used in the 
Copper River and Prince William Sound areas, and from 6 to 10 
hours each in the Ketchikan, Juneau, Wrangell, and west coast of 
Prince of Wales Island districts of southeast Alaska. 
In addition, chartered airplane service was used for survey and 
photographic work in connection with scientific investigations of the 
salmon which were conducted in the Bristol Bay region in western 
Alaska from July 23 to October 13, 1938. ‘Transportation was 
furnished on approximately 25 days during this period, and the total 
flying time amounted to 102 bours, in which the distance covered 
was about 9,200 miles. 
COMPLAINTS AND PROSECUTIONS 
In southeast Alaska a floating trap of Libby, McNeill & Libby near 
Pulizzi Island was found fishing on July 3 during a weekly closed 
period. The head watchman claimed he thought the day was Satur- 
hg instead of Sunday. The company, through its attorney, pleaded 
guilty before the U. S. Commissioner at Juneau and was fined $600. 
The following week a floating trap of the Pacific American Fisheries, 
Inc., at Pt. Alava was found fishing on Sunday. Complaint against 
the company and the 2 watchmen, Jack Toner and Roger Davies, was 
filed before the Commissioner at Ketchikan, who fined the company 
$500 and sentenced each man to 3 months in jail. 
Fourteen purse seine boats were apprehended for illegal fishing in 
southeast Alaska, and the operators were tried before local U. S. Com- 
missioners, 2 cases being brought before the court at Hoonah, 7 at 
Ketchikan, and 5 at Craig. In the case against Reuben Eskeberg, 
