10. AIM To get acquainted with COMMUNICATION NAVIGATIONAL & SURVILLANCE AIDS IN AIRPORTS AUTHORITY ON INDIA.
11.
12. The National Airport Authority, a government of India undertaking, for planning, development and management of Air Traffic Control and Communication, Navigation and Surveillance Services over Indian air space, has to look beyond technical innovation to meet these challenges.
22. VHF TRANSMITTERS A transmitter uses an oscillator to produce the desired radio frequency current. Crystal-Controlled oscillators are normally employed to provide better frequency stability. Thinner the crystal, higher will be the operating frequency.
23. VHF TRANSMITTER The DT100 equipment can operate in the 108 to 156 MHz frequency band.
24. OPERATING STATES ON Line state :If the AF line port, located onto the ALB-x rear panel, is used to manage the AF + signaling connection OFF line state :if the microphone connector, located onto the control panel front side, is used to manage the AF+ signaling connection
25. VHF RECEVIER The VHF RX has the function of selecting the desired signal at vhf frequencies from all the other unwanted signals, amplifying and demodulating it, and reproducing it in the actual shape / desired manner.
26. VHF RECEIVER The DR100 equipment can operate in the 108 to 156 MHz frequency band.
27. OPERATING STATES ON Line state if the AF line port, located onto the ALB-S rear panel, is used to manage the AF + signaling connection. OFF Line state if the Microphone connector, located onto the Control Panel front side, is used to manage the AF+ signaling connection
32. PURPOSE OF DSCN TO PROVIDE SECURITY. TO REDUCE MANPOWER. IT IS ECONOMICAL.
33. VOICE COMMUNICATION SYSTEM Voice communication system is a switching system which connects the various Air traffic controller positions to various Air-to-ground and Ground-to-ground communication systems. Voice switching and routing between the (A/G and G/G) communication systems and air traffic controller working positions is done using advanced microprocessor and DSPs
35. AMSS AMSS stands for Automatic Message Switching System. The AMSS works on the principle of “Store and Forward”. The AFTN (Aeronautical Fixed Telecommunication Network ) is a works wide system of aeronautical fixed circuits provided for the exchange of massages and or digital data between aeronautical fixed stations.
42. It operates in the VHF band of 112-118 MHz, used as a medium to short range Radio Navigational aid. It works on the principle of phase comparison of two 30 Hz signals
43.
44. VOR enables the Air Traffic Controllers in the Area Control Radar (ARSR) and ASR for identifying the aircraft in their scopes easily. They can monitor whether aircraft are following the radials correctly or not.
45.
46.
47. The facility even though possible to locate independently, normally it is collocated with either VOR or ILS.
48. The DME can be used with terminal VOR and holding VOR also.
49.
50.
51.
52.
53. Permit the use of multiple routes on common system of airways to resolve traffic.
54. Permit distance separation instead of time separation between aircraft occupying the same altitude facilitating reduced separation thereby increasing the aircraft handling capacity.
55.
56. The use of the system materially reduces interruptions of service at airports resulting from bad weather by allowing operations to continue at lower weather minimums.
57.
58. This guidance must be of very high integrity to ensure that each landing has a very high probability of success.
61. SURVILLANCE The act of watching or monitoring the behavior activities, or other changing information. Surveillance may be applied to observation from a distance by means of electronic equipment.
73. DOOR FRAME METAL DETECTOR. Every passengers has to go through this frame when any metal particle is possessed by passengers. It gives indication with both visual and audio aid.
74. X-RAY BAGGAGE INSPECTION SYSTEM This system has a single X-ray source sending out X-rays, typically in the range of 140 to 160 kilovolt peak (KVP). KVP refers to the amount of penetration an X-ray makes. The higher the KVP, the further the X-ray penetrates. After the X-rays pass through the item, they are picked up by a detector. This detector then passes the X-rays on to a filter, which blocks out the lower-energy X-rays. The remaining high-energy X-rays hit a second detector. A computer circuit compares the pick-ups of the two detectors to better represent low-energy objects, such as most organic materials.
76. EXPLOSIVE TRACE DETECTOR Narcotic/Explosive Detector is used to detect the presence of any narcotics or explosive materials. It works on the principle of Ion-Mobility Spectrography. warm up period is 30 minutes. Maintenance required once in a month.
