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FEDERAL
VOLUME 22

V

REGISTER
Wanted
NUMBER 133

Washington, Thursday, July 11, 1957

TITLE 50 WILDLIFE
Chapter I Fish qnd Wildlife Service, Department of the Interior Subchapter FAlaska Commercial Fisheries P art 104 B ristol B ay A rea NAKNEK-KVICHAK DISTRICT; ADDITIONAL
FISHING TIME

Basis and purpose: On the basis of continued improvement in the red sal mon runs in the Naknek-Kvichak district of Bristol Bay it has been determined that additional fishing time can be permitted.
Therefore, 104.5, as amended July 8, 1957, is further amended in text for the Naknek-Kvichak district by inserting the following after July 9 , "from 3 oclock postmeridian July 10 to 9 oclock ante meridian July 11.
Since immediate action is necessary, notice and public procedure on this amendment are impracticable 60 Stat.
237; 5 U. S. C. 1001 et seqi.
Sec. 1, 43 Stat. 464, as amended; 48 U. S. C.

221

A new 3.431-1 is added to read as follows:
/ 3.431-1 Multiengine single tank fuel system CAA policies which apply to 3.431. When a common fuel tank is provided in ipultiengine aircraft, unless other acceptable provisions are made, a shutoff valve should be installed at the tank outlet of each individual fuel sys tem. This valve may also serve as the firewall shutoff valve required by 3.551, provided the line between the valve and the engine compartment does not con tain a hazardous amount o f fuel more than one quart which can drain into the engine compartment.
Sec. 205, 52 Stat. 984, 49 U. S. C. 425. Inter prets or applies sec. 601, 52 Stat. 1007, a?
amended; 49 U. S. C. 551

This supplement shall become effec tive August 1, 1957.
seal

W illia m B. D avis ,
Acting Administrator of Civil Aeronautics.
Ju ly 2, 1957.
F . R. Doc. 57-5606; Filed, July 10, 1957;
8:46 a. m .

A. W . A nderson ,
Acting Director, Bureau of Commercial Fisheries.
P. R. Doc. 57-5686; Plied, July 10, 1957;
12:17 p. m .

Supp. 12

P art 6 R otorcraft A irworthiness in duction system air filters and load
CIRCUIT CONNECTIONS

TITLE 14 CIVIL AVIATION
Chapter I Civil Aeronautics Board Subchapter ACivil Air Regulations Supp. 28

Part 3 A irplane A irw orthiness ; N orKal>U tility and A crobatic C ategories multiengine single tank fuel system
The CAA policy contained in 3.431-1
recommends the installation o f a shutoff valve at the tank outlet of each individsystem of a multiengine aircraft utilizing a single fuel tank system. Also, this valve may serve as the firewall shut off valve, required by 3.551, if the fuel une between this valve and the engine compartment does not contain an amount of fuel considered hazardous.

This supplement recommends a bypass arrangement to be incorporated in the induction system when air filters or screens that are not self cleaning are in stalled in both the cold and warm air inlets 6.461-1. Section 6.623-1 ex cepts those electrical circuits, which when service is interrupted result in in ability to maintain controlled flight or to effect a safe landing, from the require ment that all circuits shall be connected to the electrical power source in such a manner that the master switch can in terrupt the service.
1.
A new 6.461-1 is added to read follows:
6.461-1 Induction system air filters CAA policies which apply to 6.461.
Continued on next page
CONTENTS
Agricultural Marketing Service
Pa&e
Proposed rule making:
Grapes, Tokay, California; han dling ; expenses and fixing rate o f assessment for 1957-58____
Milk, New York-New Jersey m a r k e t i n g area; freight zones_________________________

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4886

Agriculture Department See Agricultural Marketing Serv ice; Commodity Stabilization Service.

Alien Property Office Notices:
Vested property, intention to return:
Creditanstalt-Bankverein____
Meijer, F. T. H. M., and T. Z. J. M ______ ____________
Neppel, Anneliese_______

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4897

Atomic Energy Commission Notices:
General Electric Co.; issuance of Export Facility license____
Westinghouse Electric Corp.;
issuance of construction perm it _______________________ . ..

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4891

Civil Aeronautics Administra tion Notices:
Airport District OfSce; change o f address___________________
Rules and regulations:
Airplane airworthiness; normal, utility and acrobatic cate gories; multiengine tank fuel system_____________________ _
Mechanic and repairman cer tificates; editorial changes of Manual 24_________________
Minimum en route IF R alti tudes; miscellaneous amend ments________
Restricted areas; alterations.__
Rotorcraft airworthiness; in duction system air filters and load circuit connections_____
Standard instrument approach procedures; alterations_____ _
asCivil Service Commission Rules and regulations:
Formal education requirements:
Forest products technologist.
Range conservationist re search ____________________
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