SOV - APM-90M (letištní světlometný maják)

The APM-90M serves as :


- Landing flare for illuminating the landing area of airports during night flying,
- Inlet beacon to guide aircraft into the airfield area or to mark individual points in the terrain,
- Mobile power pack for powering DC appliances up to 12 kW and 110 V,



Assembly :


- Specially modified car type ZIL-130,
- headlight,
- ZIP kit.


The mechanism of the arc lamp is composed :


- arc lamp with stand and focusing device,
- an automaton to regulate the movement of the coals,
- thermocontact to maintain the crater of the positive carbon in the focus of the reflector,
- instantaneous ignition mechanism.



Main technical data :


Visibility of white flashes when the headlamp is rotated :


- At aircraft flight altitude of 1000 m - 75 km,
- at an aircraft flight altitude of 4000 m - 125 km.


Visibility of the white beam, directed upwards, at aircraft flight altitudes of 1000 to 4000 m - 25 km.


[Headlight rotation- in the horizontal plane is unlimited, number of rotations 4 to 16/min.


Headlamp swing - in the horizontal plane between 30° and 180° and in the vertical plane between 30° and 85° with a frequency of 4 to 16 swings/min.


Arc lamp


Type - intense burning.
Carbon shift - manual and automatic with manual control,
Arc ignition - instantaneous, by means of a third electrode,


Brand of carbons used - 16-150.


Length of positive carbon : 550 mm - diameter 16 mm - extension - 34 mm.


Negative carbon length : 330 mm - diameter 11 mm - extension 32 mm,


Length of the third electrode : 56 mm - diameter 11 mm - extension - 34 mm.


Arc mode :
Voltage : 80 ± 2 V,
Current : 150 A.


Automobile ZIL-130


TTD of the vehicle are identical to the ZIL-130 car.


The car is discontinued due to headlight activity.


New modifications :


- Transmission,
- carburettor, cylinder and cab.


The roller is adapted to carry a headlight, a ZIP and two operators.


In the cab there is on the control board : voltmeter, gasoline level indicator sensor switch, rheostat.


Supplemented :


- Generator type PR-+125,
- block for voltage regulation,
- switchgear,
- control rheostat.



Unwinding / winding time : 15 minutes



Dimensions in mm : transfer/activity


Length : 6700 / 7450
Width : 2500 / 4070
Height : 3300 / 4250


Weight kg : 8525


Operator : 4 men


Zengine : Flight-22-25 APM-90M Aerodrome Landing Light Description and Operation - CSRL regulation, Prague 1977

1/
During a visit to the museum On the Demarcation Line in Rokycany the year before last, I discovered the better end of a headlight.


2/
ZIL-130 APM-90M from TL RTZ Čáslav in 1999.


3/
The video is from Poland and the headlight is placed on ZIL-130 - video here


photo own


Note
Added photos of APM-90M from split post.


Jiří Tintěra, moderator

APM-90M of the East German Army.

APM-90Ms retired from the Polish Army.