SUMP TANK QUANITY INDICATION SYSTEM

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP89B00980R000200150009-8
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 4
• Document Creation Date: December 14, 2016
• Document Release Date: October 22, 2002
• Sequence Number: 9
• Publication Date: April 19, 1966
• Content Type: FORM

ENGINEERING STUDY
Lockheed Aircraft Corp.
245-1
CHANGE PROPOSAL o
DATE 19 April 1966 J
AFFECTS : WSPO [] PROJECT
NAME OF MAJOR COMPONENT
PART OR LOWEST SUBASSEMBLY I
PART NO. & MODEL OF TYPE
TANK
StA
SUMP TANK
75F51-50 & G75F136-501R
_
TITLE OF PROPOSAL
SUMP TA1 C QUANTITY INDICATION SYSTEM
NATURE OF PROPOSAL :
SEE PAGE 2
REASON FOR PROPOSAL :
TO PROVIDE A SUMP TANK FUEL WAN= INDICATION SYSTEM
MASON FOR REVI1SION:
TO PROPOSE A SYSTEM UTILIZING A CAPACITANCE TYPE QUANTITY INDICATING
SYSTZK WITH INDICATOR READCAJT FOR PILOT IN LIBi1 OF FUEL WARNING LIGHT
INDICATION.
ESTIMATED COST AND TIME INVOLVED : -
S
ADDITIONAL FUNDING REQUIRED
ESTIMATED COST FOR KITS OR PARTS : SEE PAGE
ADOITIONAL_FUNDING REQUIRED : . SEE PAGE 5
ITEMS AFFECTED BY PROPOSAL :
SAFETY
MISSION
EFFECT
PERFORM-
ANCE
OPERATING
PROCEDURE
INTER-
CHANGE-
WEIGHT OR
WEIGHT I
TOOLS i
SUPPORT
MAINTE-
NANCE
SERVICE
LIFE
FLIGHT
MANUAL
MAINTE
NANCE
TIVENESS
ABILITY
SAIANCE
EQUIPMENT
PROCEDURE
MANUAL
0
o
o
0
0
o
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o
El
RI
EST. MAN/HRS. REQ'D. TO ACCOMPLISH CHANGE IN FIELD
SOURCE OF PARTS FOR KIT
AVAILABILITY WEEKS AFTER APPROVAL
CRAB & LAC
SEE PAGE 5
DISPOSITION OF SPARES AFFECTED
TO BE REVOF;ICED
INITIATED BY
APPROVED WSPO
ApgpBgr Release 2002/10/31 : C
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A-RDP B 9 ~~
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Approved FdR lease 2002/10/31 CIA-RDP89B00 QI O 0200150009-8
PACE, C)F5
 LAC 245-1
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Approved Fo(R4lase 2002/10/31: CIA-RDP89B009O,R000200150009->' 2 of 5
TO PROVIDE A CAPACITANCE TYPE SUMP TANK FUEL QUANTITY SYSTEM. THE
SYSTEM WILL CONSIST OF THE FOLLOWING (SIMMONDS PRECISION PRODUCTS,
LIQUID ER DIV.) COMPONENTS:
B318 TYPE 2 INCH SERVO INDICATOR. INDICATOR WILL BE GRADUATED
IN GALS. AND READ FROM 25 GALS. TO 93 GALS.
B277 TYPE LINEAR TANK UNIT. BOTH COMPONENTS WILL BE MODIFIED
TO SUIT SUMP TANK REQUIREMENTS AND REIDENTIFIED.
IN ORDER TO ACCOMMODATE NEW FUEL QUANTITY SYSTEM, AIRPLANE WILL BE
MODIFIED AS FOLLOWS:
FUSELAGE AN ACCESS DOOR WILL BE INSTALLED IN FUSELAGE BE-
~S. 377 AND F.S. 489.50 ABOVE R.H. SUMP TANK. THIS WILL
PROVIDE FOR INSTALLATION AND REMOVAL OF FUEL QUANTITY TANK UNIT _1N
SUMP TANK R.H. SUMP TANK P/N 75F51-50R (MODEL C & F) AND P/N
75F136-501 (MODEL G) WILL BE REWORKED TO PROVIDE MOUNTING FLANGE
TO INSTALL TANK. UNIT.
PLUMBING INSIDE R.H. SUMP TANK WILL BE REROUTED TO CLEAR TANK
UNIT AND REIDENTIFIED.
A FLOAT SWITCH P/N F73420 WILL BE MOUNTED ON LOWER SUMP TANK
ACCESS COVER P/N 75F102. FLOAT SWITCH WILL BE INSTALLED AT 15
GALS. LEVEL. ACCESS COVER WILL BE MODIFIED AND REIDENTIFIED.
TANK UNIT SPECIAL ADAPTER WILL BE PROVIDED TO MOUNT QUANTITY
TANK ON R.H. SUMP TANK
COCKPIT THE L.H. MAIN INSTRUMENT PANEL WILL BE MODIFIED AS
EXISTING FLAP POSITION INDICATOR P/N MS28003-1 WILL BE RE-
PLACED WITH 3. 1/2 INCH DIA. INDICATOR AND WILL BE RELOCATED
AT THE DC LOAD METER PRESENT LOCATION. .
DC LOAD METER WILL BE RELOCATED ON CENTER LOWER INSTRUMENT
PANEL.
THE NEW SUMP TANK QUANTITY INDICATOR WILL BE LOCATED ON L.H.
INSTRUMENT PANEL IN AREA PRESENTLY USED FOR FLAP POSITION
INDICATOR.
Approved for Release 2002/10/31 : CIA-RDP89B0098OR000200150009-8
 ~'' LAC 2$5-1
Jf- Approved Fd,ReLpase 2002/10/31 : CIA-RDP89B009SORO00200150009->~g. 3 of 5
Nature of Proposal! (COAL)
fi
ELECTRICAL POWER WILL BE SUPPLIED FROM THE INVERTER SYSTEM
VIA THHER THE NO. 1 OR NO. 2 INVERTERS.
PROJECT AIRPLANES
A SERVICE BULLETIN WILL BE ISSUED FOR FIELD INSTALLATION. CONTRACTOR
WILL BE PROVIDED WITH TWO SPARE SUMP TANKS FOR SERVICE BULLETIN REWORK.
TANKS WILL BE ISSUED TO THE FIELD ON A TURN AROUND BASIS.
A SERVICE BULLETIN WILL BE ISSUED AGAINST SERIAL 359 TO REMOVE EXISTING
SUMP TANK Q ANTITY SYSTEM CONSISTING OF FOUR (4) FLOAT SWITCHES IN SUMP
TANK AND FOUR (4) LIGHTS IN COCKPIT. AND REPLACING THEM WITH NEW CAPAC-
ITANCE SYSTEM.
FOG AIRPLANES
A SERVICE BULLETIN WILL BE ISSUED FOR FIELD INSTALLATION ON MODEL C
AIRPLANES ALREADY DELIVERET. THE REMAINING AIRPLANES WILL HAVE KITS
INSTALLED AT FACTORY DURING CONVERSION.
SPARE SUMP TANKS
ALL J75 R.H. SUMP TANKS P/N 75F51-50R AND P/N G75F136-5glR WILL BE
REWORKED BY DEPOT REWORK ORDER REQJST. '
GROUND HANDLING EQUIPMENT
EACH BASE SHALL BE PROVIDED WITH A FUEL (JANTITY GAGE TESTER GENERAL
RADIO CO. TYPETTU--68/E SPEC. IL-T-26690 - FEDERAL STOCK NO. 6625-683-
95k7.
Approved For Release- 2002/10/31: CIA-RDP89B0098OR000200150009-8
 25X1 Approved For Release 2002/10/31 : CIA-RDP89B0098OR000200150009-8
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