Aircraft Pilot's Standby Magnetic Compass

© Brooke Clarke 2012

Aircraft Pilot's Standby
          Magnetic Compass
Background
Markings
Details
Photographs
Patents
Related
Links

Background

Part of my interest in navigation is the magnetic compass.  This comapss is a liquid filled version designed to be mounted on the instrument panel of an aircraft.  Aircraft use brings with it a number of problems that are not present for compass use on the ground so this compass has a number of features that are special.


Markings

Front

MS17983-2
AIRPATH

Back

Compass, Magnetic, Pilot's, Standby
Type MS17983-2
70214-CB-2100-T4-M
28-Volt DC Lighting System
6605-51-8187
DAAJ01-74-D-0046(PTB)
Serial No. 5152

Right Side

AP
 1
IMP

Details

Airpath model CB-2100-T4-Ait has florescent markings, not sure what color filter, but think it's clear.
The lamp can be a OL-300 or 327 or 328.
The compensation adjustments are made so that the error is split between North and South and between East and West.
Mating Connector to make cable for lamp power p/n: ______?______
Spare Parts diagram at the Airpath web site.

Photographs

Fig 1
Aircraft Pilot's
                Standby Magnetic Compass
Fig 2
Aircraft Pilot's
                Standby Magnetic Compass
Fig 3
Aircraft Pilot's
                Standby Magnetic Compass
Fig 4
Aircraft Pilot's
                Standby Magnetic Compass
Fig 5
Aircraft Pilot's
                Standby Magnetic Compass
Fig 6
Aircraft Pilot's
                Standby Magnetic Compass
Fig 7 UV light
Aircraft
              Pilot's Standby Magnetic Compass
Fig 8 UV light
Aircraft
              Pilot's Standby Magnetic Compass
Fig 9


Patents

2458022 Altimeter, J.O. Phelps (Airpath Inst Co.), Jan 4 1949, 73/387; 73/178.00R; 116/271; 116/DIG.43 -

Related

Navigation -

Links

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Page created June 29, 2012