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May in the two preceding years and in 1933 are shown in the following tabulation:





May 1131


May 1932


May 1933




428
10

19


357

8

25


372


Noncommercial vessels:


15
28






Total


457


390


415







June B8, 1933



THE PANAMA CANAL RECORD



639



In addition to the vessels listed above, Panama Canal equipment consisting of
barges, tugs, dredges, etc., was passed through the locks as follows:





North-
bound


South-
bound


Total




8

27
21


3

31

22


11




58




43






Total


56


56


112







COMMERCIAL TRAFFIC :



The following tabulation shows the number of vessels, Panama Canal net tonnage,
tons of cargo carried, and tolls collected, from the commercial traffic transiting the
Canal each month from the beginning of the fiscal year 1933 to the end of May 1933,
as compared with the same months in the previous year:





No. of vessels


Panama Canal net
tonnage


Tons of cargo


Tolls




1931-32


1932-33


1931-32


1932-33


1931-32


1932-33


1931-32


1932-33


July

August. . . .
September .
October. . .
November .
December .
January . . .
February . .
March ....

April

May


406
390
396
390
376
387
377
358
363
370
357


326
314
353
394
388
431
415
368
399
370
372


2,110,701
1,998,194
2,070,873
2,081,600
2,001,745
2,033,158
2,022,275
1,878,177
1,864,896
1,863,692
1,956,958


1,676,492
1,658,112
1,868,391
1,988,133
2,035,796
2,080,069
2,069,218
1,832,658
1,989,044
1,839,597
1,883,249


1,866,803
1,789,234
1,754,855
1,762,670
1,577,523
1,648,904
1,593,585
1,645,393
1,643,952
1,443,731
1,676,790


1,259,981
1,349,453
1,347,144
1,582,261
1,531,509
1,621,581
1,463,503
1,434,862
1,738,227
1,527,978
1,629,982


$1,848,638.45
1,770,202.71
1,820,735.75
1,823,650.74
1,762,036.19
1,757,869.54
1,770,250.68
1,647,797.06
1,645,366.81
1,608,634.67
1,717,401.26


$1,468,728.36
1,440,848.87
1,598,265.98
1,714,779.06
1,756,865.84
1,781,940.03
1,762,808.56
1,575,708.35
1,718,908.41
1,554,250.14
1,617,943.65


Total .


4,170


4,130


21,882,269


20,920,759


18,403,440


16,486,481


19,172,583.86


17,991,047.25



1 Commercial traffic includes all ocean-going vessels paying tolls. Vessels in direct service of the United States,
Panamanian, and Colombian Governments, including merchant vessels chartered by these Governments, and vessels
transiting solely for repairs, do not pay tolls. Statistics on vessels not paying tolls are shown under "Noncommercial
traffic."

The following is a summary of the commercial traffic for May in the years 1931,
1932, and 1933, and comparison with the monthly averages for the calendar year 1932 :





May 1931


May 1932


May 1933


Average per

month for

calendar year

1932




428
2,184,959
1,598,734
2,699,985
1,627,188
$1,923,452.18
1,925,452


357
1,956,958
1,429,702
2,412,209
1,443,881
$1,717,401.26
1,676,790


372
1,883,249
1,337,983
2,234,979
1,349,838
$1,617,943.65
1,629,982


364




1,886,345




1,367,686


Registered gross tonnage


2,277,608
1,381,155


Tolls


$1,640,472.65




1,508,328







The daily average number of transits, net tonnage (Panama Canal measurement),
tolls, and tons of cargo, are shown in the following statement, in comparative form,
commercial vessels only:





Average per day


Average per




May 1931


May 1932


May 1933


day for calendar
year 1932




13.81

70,483

$62,046.84

62,111


11.52

63,128

$55,400.04

54,090


12.00

60,750

$52,191.73

52,580


11.93




61,847


Tolls >


$53,785.99




49,453







AVERAGE TONNAGE, TOLLS, AND TONS OF CARGO PER VESSEL

The average tonnage, tolls, and tons of cargo per vessel transiting the Canal
during the month of May in 1931, 1932, and 1933, and the average for the calendar
year 1932, are shown in the following tabulation:



640



THE PANAMA CANAL RECORD



June US, 1933



Panama Canal net tonnage

United States net tonnage

Registered gross tonnage

Registered net tonnage

Tolls

Tons of cargo (including vessels in ballast)
Tons of cargo (laden vessels only)



Average per vessel



May 1931



5,165
3,780
6,383
3,487
$4,494.05
4,595
5,409



May 1932



5,482
4,005
6,757
4,044
,810.65
4,737
5,374



May 1933



5,118
3,636
6,073
3.66S
$4,349.31
4,429
5,126



Average per
vessel for calen-
dar year 1932



5,195
3,767
6,273
3,804
$4,507.83
4,154
4,997



Note. — In computing above averages, vessels paying on displacement tonnage are not considered except in average
tolls per vessel.

NATIONALITY OF VESSELS

Fifteen nationalities were represented in the commercial traffic through the
Canal in May 1933, in comparison with 16 the previous month and 14 in May 1932.
Vessels of United States registry, with 146, led in the number of transits, while
those flying the British flag, with 71, were second. Vessels of these two nationalities
made up 58.3 percent of the total transits for the month. Vessels of Norwegian
registry, with 39, were next in numerical importance, followed by Panamanian
with 30, German with 26, and Japanese with 24. With respect to net tonnage (Panama
Canal measurement), vessels of the United States, with 880,406 tons, made up 46.7
percent of the aggregate; British, with 408,620 tons, 21.7 percent; Norwegian,
with 188,125 tons, 10.0 percent; Japanese, with 128,528 tons, 6.8 percent; and
German, with 88,815 tons, 4.7 percent.

CARGO AND PRINCIPAL COMMODITIES

The total cargo through the Canal during the month of May 1933, was 1,629,982
tons, a decrease of 46,808 tons, or 2.8 percent, in comparison with May 1932. Cargo
from the Atlantic to the Pacific aggregated 409,941 tons, compared with 398,096
tons in the previous month, and 457,027 tons in May 1932. From the Pacific to
the Atlantic cargo amounted to 1,220,041 tons, as compared with 1,129,882 tons in
the previous month, and 1,219,763 tons in May 1932. The combined cargo
movement in May 1933 was 102,004 tons greater than in the previous month, a gain
of 6.7 percent.

From the Atlantic to the Pacific, scrap metal was the leading commodity, with
shipments totaling 61,016 tons, followed by manufactures of iron and steel with 44,640
tons, mineral oils with 37,244 tons, phosphates with 19,614 tons, cotton with 17,168
tons, and paper with 14,954 tons. Scrap metal was the only one of the above com-
modities to show an increase, in comparison with shipments in May 1932.

From the Pacific to the Atlantic, mineral oils, totaling 334,547 tons, formed the
leading commodity, followed by sugar with 216,506 tons, lumber with 152,049 tons,
wheat with 116,206 tons, canned goods with 68,657 tons, and various metals with
35,892 tons. The above leading commodities all showed increases, with the excep-
tion of wheat, in comparison with shipments in May 1932. The increases in sugar,
canned goods, and lumber were quite large, ranging from 12 to 40 percent higher
than in May 1932. A large number of commodities of smaller tonnage also showed
increases. Offsetting these gains, however, were heavy losses in ores and grains.
The decline in shipments of ores was 87 percent, wheat 45 percent, oats 74 percent,
and barley 77 percent.

There was a decline of 47,086 tons (10.3 percent) in cargo moving from the Atlantic
to the Pacific compared with May 1932, and a gain of 278 tons in the movement from
the Pacific to the Atlantic.



At present tolls are collected at rates of $1.20 per net ton for laden and $0.72 per
ton for vessels in ballast, computed on the basis of The Panama Canal rules of
measurement, with the provision that tolls shall not exceed $1.25 per ton, nor be less
than $0.75 per ton as determined in accordance with the United States rules for
measurement of net registered tonnage. In order to ascertain the proper tolls charges
it is necessary, therefore, that the net tonnage of vessels transiting the Canal be
determined in accordance with both The Panama Canal and the United States rules of
measurement.

Due to this limiting proviso the tolls actually collected last month on laden vessels
average $0,874 per net ton (Panama Canal measurement) and tolls on vessels in
ballast averaged $0,720 per net ton (Panama Canal measurement).



June 28, 1933



THE PANAMA CANAL RECORD



641



Taking the traffic through the Canal for the month of May 1933, the following
tabulation shows a comparison of tolls actually collected under the present method
of assessing tolls with the tolls that would have been collected on the basis of The
Panama Canal rules of measurement at the proposed rates of $1 laden and $0.60
ballast with no added charges for deck loads, together with the pro rata per net ton
(Panama Canal measurement) of tolls actually collected on laden vessels and those
in ballast. The traffic for the month is segregated by flag:



Nationality


Tolls actually

collected under

present dual

system


Tolls that would
have been collected

under proposed

rates of 11 laden
and 60c ballast on

basis of Panama
Canal net tonnage


Difference


Pro rata of tolls

actually collected per

Panama Canal net

ton


Increase


Decrease




Laden


Ballast


Belgian


$4,530 24

353,519.45

2,205.36

27,461.71

20,690.59

24,682.73

■26,117.75

72,141.34

26,760 00

124,761.54

148,036.86

7,792.01

■ 2,055 50

13,737.50

763,451 07


$3,775.20

3S0.442.40

1,837.80

31,039.80

18,142.20

30.068 40

'30,973 00

S7,346.20

31,302.00

127,245.20

175,125.80

9,609.00

'2, 055. 50

19,582.00

850,749.60




$755.04




$0 720


British


$26,922.95


$0,895


720




367.56


720 '


Danish


3,578.09


.844
1.067
.766
.821
.816
.855
.977
.801
.741


720


Danzig


2,548.39


720


Dutch


5,385.67
4,855.25

15,204.86
4,542.00
2,483.66

27,088.94
1,816.99


720


French










720


Italian






Japanese




.720


Norwegian




7170


Panamanian




.7400


Peruvian






Swedish


5,844.50
87,298.53




.702
.881




United States




.720








Total


1,617,943.65"


1,799,294.10


185,021.44


3,670.99


.874


.720


Net increase for all
traffic






181,350 45





















' Includes $3,814 collected on naval vessel at $0.50 per ton displacement.
' Collected on 3 naval vessels at $0.50 per ton displacement.

The increase on vessels of United States registry would have been distributed
with respect to channels of trade in which the vessels were engaged as follows:



United States intercoastal trade
United States foreign trade

Total



$70,448.28
16,850.25



87,298.53



RATIO OF CARGO TONNAGE TO NET TONNAGE

The ratio of cargo to net tonnage, Panama Canal measurement, of vessels transiting
the Panama Canal in May 1933, is shown in the following tabulation, segregated by
nationality of vessels and direction of transits; laden vessels only are included:



Nationality


Atlantic

to
Pacific


Pacific

to
Atlantic


Total




.50

83


1 23
1.48
2.04
1.15
1.16
97
.62
1.21
1.57
1.58
1.43
1.31


1 02


Danish


1 30


Danzig


2 04


Dutch


.19
19
.41
.06
1.21
.84
.21
.63
.51


72


French


75


German


.71




34




1 21




1 32




35




84




97






Average, May 1933


.57


1.29


98






Average, May 1932


.58


1.28


96








.66


1.28


1 02







642



THE PANAMA CANAL RECORD



June S8, 1933



CLASSIFICATION OF VESSELS

A further classification of vessels passing through the Canal during the month of
May 1933, is as follows:





Atlantic to Pacific


Pacific to Atlantic


Class


No.

of

ships


Panama
Canal net
tonnage


Tolls


No.

of

ships


Panaman
Canal net
tonnage


Tolls


Cargo-carrying ships:
Tank ships —


20
4

26
135

1


122,381
19,678

94,775
695,226


$88,114.32
20,910.00

68,187.76
590,479.20


1
27

2
152


4,365
170,554

2,965
773,230


$3,142.80
180,009.50

2,135.82
659,038 50




All others —






Noncargo-carrying ships:

Yachts


75


56.25








Naval


4




5,869.50












Total


186


932,135


767,747.53


186


951,114


850 196 12






Method of propulsion:

Cargo-carrying vessels —


116
59
10

1


602,035

329,643

382

75


511,470 49

255,891 58

329.21

56.25


107
64
11

4


567,946

382,752

416


50° 370 62




334,491.40
464 60




Other craft (yachts, naval, etc.):


5,869.50




Total :


186


932,135


767,747.53


186


951,114


850 196 12







Of the 223 steam-driven vessels, 168 were oil burning, 49 coal burning, and 6 burned
either oil or coal.



NONCOMMERCIAL VESSELS



The following statement shows the number of transits and tonnage of vessels
transiting the Canal free of tolls during the month of May 1933. If tolls had been
assessed against these vessels at commercial rates the amounts would have been
approximately as indicated:





Atlantic to Pacific


Pacific to Atlantic


Class and nationality


No.

of

ships


Tonnage


Tolls


No.
of

ships


Tonnage


Tolls


U. S. Naval vessels:


2


■ 17,050

■1,215

J31

■950

■77

'6,415

'2,595


$8,525.00

607.50

23.25

475.00

38.50

4,618.80

1,297.50


























2


■1,900


$950 00






Tankers


1


3 6,424


8,030.00




1


■"3,908


4,885 00


U. S. Army vessels:


3
2
5

1


J 30

'11,932

3 460

■704


22.50

14,915.00

391.00

352.00












Tugs


1
1


3 92
■704


69.00


Department of Commerce:


352.00






Total


22




31,266.05


6




14,286.00











' Indicates displacement tonnage, indicates Panama Canal net tonnage. 3 Indicates United States net tonnage

The foregoing noncommercial vessels transiting the Canal during the month car-
ried cargo as follows: Atlantic to Pacific, 3,536 tons; Pacific to Atlantic, 10,800
tons; total 14,336 tons.

LAUNCHES UNDER 20 TONS MEASUREMENT

The following statement shows the number of launches under 20 tons measurement
(Panama Canal net), transiting the Canal during the month of May 1933. These
launches, although paying tolls, are excepted from statements concerning commercial
traffic:



June 28, 1933



THE PANAMA CANAL RECORD



643





No. of
transits


Panama
Canal net
tonnage


Tolls


Tons

of
cargo




6
9


67

89


$55.65
104.10


28




95






Total


15


156


159.75


123







STATEMENT OF TERMINAL OPERATIONS



Details of the business transacted at the Atlantic and Pacific terminals of the
Panama Canal during the month of May 1933 are shown in the following tabulation:





Cristobal


Balboa


Total




193

170
11
64
92


83

49

26

34

51

6

7

28,577

498

3,686

3,133


276


Services to ships docked:


219




37




98


Water


143




6




2

86,959

5,077

27,408

28,969


9


Local cargo shipped


tons . .

tons . .


115,536
5,575
31,094
32,102


"Canal Zone for Orders" cargo:


103
683
333
355
4,849
5,206


33

214

320

244

2,238

2,337


136




897




653




599




7,087




7,543








Vessels supplied with bunker coal:


19
2,796




19


Coal supplied to above vessels:

Commercial, other than Panama Railroad Company


tons. .

tons . .

tons . .




2,796






Coal issued, miscellaneous:


46

235

39

9


2


48
235


7


46
9








3,125


9


3,134




19,420
39,191
22,896




19,420




39,191






22,896


9


9


bbls..

bbls. .

...bbls. .






Fuel oil issued from Panama Canal tanks:


4,369.65
15,747.41


19,263.15

506.00

104.96

29.88


23,632.80

16,253.41

104.96


bbls..




29.88


bbls..

bbis. .
bbls. .
bbls. .
bbls..
..bbls..
bbls. .
bbls. .

bbls..
bbls. .
bbls..

bbls..








20,117.06


19,903.99


40,021.05


Fuel oil received during May 1933

Fuel oil on hand, June 1, 1933

Diesel oil issued and sold during May 1933


66,435.81

100,703.41

204 97

3,813.35

467.23

10,310.62

1,945.41




66,435.81


30,234.96

4,522.60

937.04

2,931.21

22,735.22
8,870.11


130,938.37
4,727.57
4,750.39
3,398.44
33,045.84
10,815 52


Oil pumped for individuals and companies:


166,441.25

138,838.10

204.00


51,693.03
70,764.38
17,140 00


218,134.28

209,602.48

17,344.00


Total fuel oil, gasoline, and kerosene handled


338,528.64


198,560.54


537,089.18


Admeasurement of vessels:


8
4
6
5
13


2
2

8
8
18


10




6




14




13




31



644



THE PANAMA CANAL RECORD



June 28, 1933



Services of harbor equipment:

Tugs, total operatimg hours

Launches, total operating hours . . .

Revenue from tug service, pilotage, etc.

Tug revenue

Pilotage

Seamen

Launch service

Wharfage

Ships measured

Miscellaneous

Clearances issued *

Bills of health issued



Cristobal



205]
903^



$7,078.75

14,158.00

8,260.00

1,710.50

12,282.88

130.00

283.70



230

238



Balboa



140]
1,0661



$4,392.50
6,516.00
8,108.00
2,137.00
4,595.48
15.00
192.40



198
202



Total



345*
1,970



$11,471.25

20,674.00

16,368.00

3,847.50

16,868.36

145.00

476.10



428
440



ALL VESSELS


ENTERING AND


CLEARING


PORT








Port of Cristobal


Port of Balboa




No.

of

ships


Registered

gross

tonnage


Registered

net

tonnage


No.
of

ships


Registered

gross

tonnage


Registered

net

tonnage


Ships entering
All vessels, including those transiting Canal. .
Vessels entering port but not transiting Canal .
Vessels transiting Canal and handling passen-
gers and cargo at terminal ports


421

66

91


2,688,367
382,336

720,594


1,606,366
221,587

433,791


382

19

93


2,392,157
85,001

686,953


1,458,745
54,822

403,335


Ships clearing

All vessels, including those transiting Canal . .

Vessels clearing port but not transiting Canal .

Vessels transiting Canal and handling pasen-

gers and cargo at terminal ports


419
62

93


2,668,397
363,823

723,790


1,592,275
209,066

435,065


385
20

93


2,398,771
85,089

686,953


1,464,336

54,881

403,335



MOVEMENT OF PASSENGERS





At Cristobal


At Balboa


Total




First-
class


Others


Total


First-
class


Others


Total


First-
class


Others


Total


Disembarking:


562
89


303
177


865
266


59
174


94
140


153
314


621
263


397
317


1,018




580




651


480


1,131


233


234


467


884


714


1,598






Embarking:


916
93


588
119


1,504
212


85
235


76
261


161
501


1,001
328


664

385


1,665




713




1,009


707


1,716


320


342


662


1,329


1,049


2.37S


Remaining on board:


948


809


1,757








948

885

476

43


809

1,424

160

142


1,757




885


1,424


2,309


2,309




476


160


636


636




43


142


185


185




1,424


969


2,393


928


1,566


2,494


2,352


2,535


4,887




2,075


1,449
1,676


3,524
4,109


1,161
1,248


1,800
1,908


2,961
3,156


3,236
3,681


3,249
3,584


6,485




2,433


7,265






,









NoTE.-In passengers "remaining on board," those from the Atlantic to the Pacific and Pacific to the Atlantic are
reported only at port of arrival from the sea, and not again at the other terminus of the Canal.

PASSENGER-CARRYING VESSELS THROUGH CANAL





Total com-
mercial

vessels


Passenger-
carrying
vessels


Percent of

total

transits


Number of

passengers

carried




186
186


62
61


33 3
32.8


2,122




4,227




372


123


33.1


6,349







June 28, 1933



THE PANAMA CANAL RECORD



645



In addition to the aforesaid, 47 passenger-carrying vessels called at the port of
Cristobal and 7 at the port of Balboa without transiting the Canal, making a total of
177 passenger-carrying vessels calling at Canal ports during the month.



AIRCRAFT ENTERING AND CLEARING



During the month of May 1933, 42 commercial airplanes entered and 41 cleared
at Cristobal, and 2 entered and cleared at Balboa. A total of 100 passengers (56
from the north and 44 from the south) disembarked from the planes landing at
Cristobal and 78 passengers embarked (55 to the north and 23 to the south). Five
passengers (from the south) disembarked from the planes landing at Balboa.



COMMISSARY SALES TO VESSELS



The following is a statement of commissary sales to vessels during the month of
May 1933, together with the total sales in the corresponding month in 1932 and 1931 :





Ice


Groceries


Cold
storage


Laundry


Miscel-
laneous


Total


Sales at Cristobal to:

Commercial vessels


$651:90
94.70


$3,706.80
599.52
240.46


$8,661.16

2,037.55

59.89


$27.27


$2,653.63

169.71

3.74


$15,700.76
2,901.48




326.72


630.81








Total sales, May 1933


746.60


4,546.78


10,758.60


353 99


2,827.08


19,233.05


Total sales, May 1932


1,091 56


5,764.25


11,933.73


488.46


3,876.37


23,154.37


Total sales, May 1931


1,569.05


9,980.12


23,960.16


760.86


7,944 31


44,214.50


Sales at Balboa to:

Commercial vessels

Government vessels


329.56
450.15


2,333 89
2,584.34


4,724.50
11,639.65


201.57
815.27


1,786.46
1,053.20


9,375.98
16,542.61


Total sales, May 1933


779.71


4,918.23


16,364.15


1,016.84


2,839.66


25,918.59


Total sales, May 1932


781.03


4,152.66


15,628.16


906.76


3,498.61


24,967.22


Total sales, May 1931


789 . 10


2,731.75


21,979.40


881.60


8,182.95


34,564.80



The aggregate sales to commercial vessels during the month were $25,076.74;
to Government vessels, $19,444.09; and Panama Railroad vessels, $630.81, making
the total sales to all vessels, $45,151.64. The figures are subject to minor change on
final audit.

LOCK OPERATIONS

The following tabulation shows the number of lockages, and the number of vessels
passing through the locks during the month of May 1933, as compared with the
corresponding month in 1932 and 1931:



Locks



Gatun

Pedro Miguel .
Miraflores



Gatun

Pedro Miguel .
Miraflores



Number of lockages



Commercial



North South Total



171
170
170



170
167
166



341
337
336



Noncommercial



North South Total



Comparative
grand totals



Mav May May
1931 1932 1933



425
444
441



362
380

386



357
367
359



Number of vessels put through locks



185
186
186



186


371


39


37


76


478


416


186


372


45


50


95


517


444


186


372


39


41


80


511


445



447

467
452



Includes tolls-paying craft under 20 tons measurement.

CLASSIFICATION OF NONCOMMERCIAL VESSELS



Gatun



Pedro
Miguel



Miraflores



Army and Navy vessels

Panama Canal equipment

Launches under 20 tons measurement .



646



THE PANAMA CANAL RECORD



June 98, 1933



The total consumption of water for lockages, loss in leakage and maintenance,
was as follows in May 1933, as compared with the preceding month and the corre-
sponding month in 1932:





Gatun


Pedro Miguel


Miraflores




Cubic feet
1,343,760,000
30,000,000


Cubic feet
944,720,000
50,000,000


Cubic feet
961,350,000




20,000,000




13,410,000










Totals, May 1933


1,373,760,000


994,720,000


994,760,000






Total, April 1933


1,427,790,000


1,221,970,000


1,230,980,000






Total, May 1932


1,462,140,000


1,157,100,000


1,244,960,000







HYDROGRAPHY

The hydrographic conditions in the Canal Zone and vicinity during the month
of May 1933, are shown in comparative form in the following tabulation:



May



1932



1933



May — Years of record



Maximum Minimum Mean



Discharge of Cbagres River at Alhajuela

Maximum momentary discharge for the month

Gatun Lake watershed, total yield

Gatun Lake watershed, net yield

Draft on Gatun Lake for lockages and power. .



C.f.s.
2,171

13,358
4,954
4,346
2,512



C.f.s.
1,343

12,816
2,961
2,245
2,474



C./.8-

5,189

'63,500

8,665

7,964

= 2,910



C.f.s.

491

231

1,417

583



CJ.S
2,096

'4^508

3,856

3 2,404



' May 5, 1918. ' May 1930. ' 10-year average (1921-1930).

The monthly mean discharge of the Chagres River at Alhajuela for May 1933 was
1,343 c.f.s., which is 36 percent below the 32-year mean of 2,096 c.f.s. The maximum
monthly discharge on record for May is 5,189 c.f.s. in 1910 and the minimum is



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