Low intensity LED obstacle warning light BA15 / INDELEC, Lightning mastered

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Low-intensity LED obstacle warning light BA15

Family : Obstacle warning lights
Category : Low intensity beacons

Application

The International Civil Aviation Organization (ICAO) has defined the specification for installation of
Obstacle Warning Lights in the Annex 14 to the convention on international civil aviation,
Volume 1 «Aerodrome design and operations» (July 1999).
The following structures are considered as obstacles to civil aviation:

Factory chimneys

Towers (Telecom, TV, …)

High Voltage overhead cables

Bridges

High rise buildings

Electrical power generation stations

Cranes

The BA15 LED obstacle warning lights are conforming the ICAO requirement thanks to its luminous
intensity of more than 10 cd. Furthermore, the use of LED offers huge benefits in terms of life time
(more than 100 000 h), reliability and extremely weak electrical consumption (3W).

Installation

The low-intensity lights are installed on structures not exceeding 150 m high. Above 45 m, several levels
of beaconing are required. The interval between two beacon levels must not exceed 45 m as well.
For factory chimneys, the obstacle warning lights must be installed from 1.5 m to 3 m maximum from
the top of the structure. Three lights should be fixed regularly at 120° along the chimney circumference.
The BA15 LED obstacle warning lights are available either as a single unit or complete with a
stainless steel mounting brackets as well as a connection box for power supply.
An integrated photocell is also available upon request (option).
Depending on the obstacle location (above a take off climb surface for example), the ICAO
requires uninterruptible beaconing in every circumstances ie. BBS system (master and slave) operating system.

Power supply and service continuity
The BA15 obstacle warning lights are delivered with 3 m cable for power supply. The input voltage could be
12V, 24V, 48V, 110V or 230V-50Hz, upon requirement of the customers.
The BA15 lights are also available with a beacon failure alarm driving box (option).
A UPS cabinet with 12 h autonomy (0/ 20%) is available as well according to ICAO requirement for
uninterruptible beaconing in every circumstances.