MARK900 Marker Beacon（MB）-MB-Zhuhai Bright Aviation Inc.-Airport facilities and brand suppliers

一、Business

“Bright Aviation” supplies complete sets of equipment, including spare parts supply, installation and commissioning, flight check, panel repair, factory training, after-sales service, technical consultation, spare parts support, on-site fault repair, optimization and adjustment, periodic inspection and other businesses.

二、Overview

1. Marker Beacon（MB） provides airport approach flights with a distance indication information from the relative position of runway threshold.

2. Classification of Marker Beacon: Inner Marker Beacon（IM）, Middle Marker Beacon （MM）and Outer Marker Beacon（OM）.

3. The installation position of MB，as shown below.

三、Appearance

MB Cabinet	Remote Controller

4 Element Yagi Antenna (Applicable To Inner And Middle Marker Beacon)	Y-Type 4 Element Double Yagi Antenna (Applicable To Outer Marker Beacon)

四、Electrical

1. Carrier frequency: 75MHz.

2. Output power: 0.1～4W (0.1W step adjustable ).

3. Frequency stability: ±0.0002%.

4. Frequency control: frequency synthesizer.

5. Coverage: Meet ICAO Annex 10.

Equipment Type	Carrier Freq	Modulation Freq	ID code signal	Distance From Runway Entrance	Coverage Width	Onboard Indicator Light
Inner Marker Beacon	75MHz	3000Hz	Send 6 consecutive beeps per second.“• ”。	300m	150±50m	White Light
Middle Marker Beacon	75MHz	1300Hz	Every second, alternate between tapping the dots with a "• -", at 6:00 in the first second and 2 in the second.	1050m	300±100m	Amber Light
Outer Marker Beacon	75MHz	400Hz	Send 2 consecutive "-" beats per second.	7000m	600±200m	Blue Light (Purple Light)

五、Mechanical

1. Primary Power：110～220Vac±15%，45～63Hz，single phase.

2. Standby Power：48Vdc backup battery, working for at least 4 hours.

3. Weight：10kg.

4. Dimensions: 13.4 (H) * 60 (W) * 20 (D) cm, 3U chassis.

六、Environmental

1. Temperature: Indoor -10°C～+50°C, Outdoor -50°C～+70°C.

2. Relative humidity: Indoor 0～95% (non condensing)；Outdoor 0～100% .

3. Altitude: 0～4500m MSL.

4. Work cycle: continuous unattended.

5. Wind speed conditions: the outdoor antenna can work normally when the wind speed is up to 161 km/h and the antenna icing is 1.5 cm thick.

七、Equipment List

No.	Name	Model	Qty/Unit	Description
1	MB Cabinet	MARK900	1 Set	Dual transmitters, dual monitors, and dual power supplies system.
2	Remote Controller	/	1 Set	Remotely monitor and control the working status of MB equipment.
3	Transmitting Antenna	/	1 Set	Depending on the type of equipment, 1 single Yagi or 1 double Yagi antenna (optional).
4	Monitoring Antenna	/	1 Set	1 single Yagi antenna.
5	Rf Cable	/	2 Set	1/4 hard fed RF cable, with a single length of 20 meters.
6	Obstruction Light	/	1 Set	/
7	Antenna Support Rod	/	1 Set	The bracket height is available in 3 meters, 4 meters, and 5 meters (customizable), including embedded parts for the bracket.
8	Other Accessories	/	1 Set	/

八、Meeting Standards

1. CAAC,《Aeronautical Radio Navigation Aids Part 1：Technical Requirements For Instrument Landing System (ILS)》, MH/T-4006.1-1998.

2. CAAC,《Electromagnetic Environment Requirements For Aeronautical Radio Navigation Stations》, GB 6364-2013.

3. CAAC, 《Specification For Aeronautical Communication Navigation And Surveillance Station Siting Criteria - Part 1: Navigation》, MH/T 4003.1—2021.

4. CAAC，《China Civil Aviation Instrument Landing System ClassⅡOperation Regulations, CAAC order No. 57.

5. ICAO Annex 10, Vol. 1，Aeronautical Telecommunications : Volume I， Radio Navigation Aids. Eighth Edition, July 2023，Amendment 93.

6. ICAO Doc 8071, Vol. 1，Manual on Testing of Radio Navigation Aids : Volume I, Testing of Ground-based Radio Navigation Systems, Fifth Edition - 2018.

7. ICAO Annex 14, Vol. 1， Aerodromes : Volume I， Aerodrome Design and Operations，Eighth Edition，July 2018， Amendment 15.

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