Calculator [Seating Density Calculator]; National Airways Corporation (New Zeala...


Museum of Transport and Technology (MOTAT)


Calculator [Seating Density Calculator]

About this object

High density seating calculator made of two sheets of clear plastic with paper chart held between, disc of brown translucent plastic over top, sealed together by metal clasps at corners and middle. Measures numbers of passengers in Rows 1 to 10, weight of Fuel/ water/ front and rear locker/ galley etc. Statements on left hand side: F91-00-01 ISSUE K. Tan coloured area 'DENOTES HALF FARE SCALE'. Statements on right hand side: F27 100 SERIES HIGH DENSITY SEATING, green area on calculator indicates 'SAFETY MARGIN REQUIRED WHEN LOCKER LOADS ADJUSTED USING AVG. BAGGAGE WEIGHTS. WITH GALLEY INSTALLED ALLOW ½ % M.A.C. SAFETY MARGIN ON LIMIT. Used by NAC in operations.


National Airways Corporation (New Zealand, estab. 1947, closed 1978)

Maker Role

Commissioned by


L 165 W 158 D 3mm (L 6 1/2 W 6 1/4 D 1/8")

Credit Line

The Museum of Transport and Technology (MOTAT)

Object Type

Calculator/Processor, Digital Data/Data Processing Devices/Data Processing T&E/06 Tools & Equipment for Communication/Nomenclature

Object number


Copyright Licence  

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