The Da Nang (Son Tra) Radar
station
• There are two military radar facilities adjacent to the Da
Nang radar station, which are controlled by a nearby
military fortress protecting the Da Nang area.
Unfortunately, at times, this affects the Da Nang VHF
with radio interference from the military radar. Thus,
MIRATS is planning to install a new PSR far from the
existing site (2010 tender) for backup purposes of the
current PSR (because there are Vietnam Air Force
operations in the Da Nang Airport area).
• The VHF receivers may be installed in the new site also
to avoid radio interference (by electromagnetic pulse)
from the nearby military PSR.
• Although all land area of Vietnam has
been covered by six MSSRs, a part of the
oceanic area of the South China Sea in
the Ho Chi Minh FIR is out of the MSSR
coverage; therefore, ADS-C has been
introduced to make up the blind area on
the area.
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DẪN ĐƯỜNG VÀ QUẢN LÝ KHÔNG LƯU
Navigation and Air Traffic Management
TS. Hà Duyên Trung
Bộ môn Điện tử Hàng không Vũ trụ
Trường Đại Bách Khoa Hà Nội
Viện Điện tử - Viễn thông
1
Nội dung
• Cơ sở lý thuyết
– Cơ sở lý thuyết dẫn đường
– Quản lý không lưu ATM
– Các tham số xác định vị trí.
• Các phương pháp dẫn đường
– Phương pháp dẫn đường thời gian, pha, biên độ, tần số, tương
quan...
• Các phương pháp dẫn đường trong hàng không
– Giới thiệu chung về điện tử hàng không CNS
– Hoạt động tại cảng sân bay
– Quản lý vùng không lưu
– Huấn luyện và quản lý không lưu 2
Content
Introduction 1
CNS Systems
2 Air Traffic Management
3
4 Development trends
3
Introduction
Vietnam is soon expected to take off as the fourth
largest aviation market in Southeast Asia
( US Department of Commerce
Vietnam: Aviation Sector , 2007)
4
Introduction
Map 1 - Vietnam’s Airport Network
Source: Saigon Times Weekly- 2005
Vietnam is soon expected to take off as the
fourth largest aviation market in Southeast Asia
5
9.57 9.40
12.00
14.00
16.30
18.75
0
2
4
6
8
10
12
14
16
18
20
2002 2003 2004 2005 2006 2007
Passengers
in million
Year
Airport Through-put Passengers
Introduction
As of August 2008, VNA and VASCO, a subsidiary of VNA
operating short haul domestic flights, operate a fleet of 48
airplanes with an additional fourteen on order 6
Total Airport Through-Put Passengers in 2006: 16.3 million
a 16.42% year-on-year increase
54%
13%
33%
SAA
MAA
NAA
4.00 4.05
5.04
6.03
6.80
7.60
0
1
2
3
4
5
6
7
8
2002 2003 2004 2005 2006 2007
Passengers
in million
Year
Air Passengers Transported
Introduction
Airport Through-put Passengers in
Vietnam in the period 2002-2007
Southern Airports Authority - SAA,
Middle Airports Authority - MAA,
Northern Airports Authority - NAA
7
Major Airlines in Vietnam
• Vietnam Airlines (VNA) and VASCO
• Jetstar Pacific Airlines (PA)
• Indochina Airlines Company
• VietJet Aviation (VietJetAir) Joint Stock
Company
• Air Mekong
• Vietnam Aircraft Leasing Company
• Other Foreign Airlines from 20 countries
8
Major Airlines in Vietnam
• Vietnam Airlines (VNA) and VASCO
• 48 airplanes with an additional fourteen on order. (August 2008)
• The average age of the VNA fleet is 8 years
• Expecting to reach 104 and 150 modern aircraft in 2015 and 2020,
respectively.
• Jetstar Pacific Airlines (PA)
• 5 Boeing 737 - 400 aircraft
• Moving to Airbus A320-200
• Expecting to add up to 30 Airbus aircraft.
• By 2014 Jetstar Pacific’s network will cover most countries in Asia
• Indochina Airline
• Launching its first commercial flight on November 25, 2008
• As of November 2008, the airline has 2 leased Boeing 737-800 aircraft.
• Vietjet Aviation Joint Stock Company
• Initially lease three Boeing 737s or Airbus A320s (in 2009)
• operating domestic flights from/to Hanoi, HCMC, Danang
9
Vietnam Airlines Fleet as of March 2007
Types Total
Passengers
(Business or
Economy)
Routes Notes
ATR 72-200 6 65 (0/65) Domestic routes
ATR 72-500 4 65 (0/65) Domestic routes and Cambodia, Laos
Airbus A320-200 10 162 (0/162)
Domestic and Regional routes
Vietnam and China
Airbus A321-200 10 (7 orders) 184 (16/168) Domestic and Regional routes
delivery
between
2007, 2009
Airbus A330-300
1
2
320 (36/284)
266 (24/242)
Regional and Long haul routes
China/Hong Kong/Japan/South Korea
/Malaysia/Singapore/Thailand/Poland
Boeing 777-
200ER
4
4
1
1
307 (25/282)
338 (32/306)
325 (35/290)
295 (12/283)
Domestic and Long haul routes
Ha Noi, Da Nang and Frankfurt / Moscow
/ Paris /Melbourne / Sydney
Boeing 787-800 0 (4 orders)
delivery in
2009
Fokker 70 2 79 (0/79) Domestic routes
45
10
Pacific Airlines (PA)
• Pacific Airlines, the second largest air carrier in Vietnam, was
established in 1991 and started operations in 1992 with VNA as
the major shareholder (86.49%). It is the first joint stock airline
formed in Vietnam following changes in the law to allow foreign
investment in the country's airlines
• All of VNA's shares in the company were then transferred to the
Ministry of Finance (MoF) and thereafter to the State Capital
Investment Corporation (SCIC), a state owned company under
MoF, for business and ownership restructuring.
• PA has officially become the first budget air carrier in Vietnam.
PA is the only Vietnamese ticketless airline offering 100% e-
ticketing and online credit card payment via its website, as well
as 24/7 telephone reservation services to customers.
• PA’s fleet includes three leased Boeing 737-400s and one
Airbus A320-200s
11
Other Foreign Airlines
• In addition, there are as many as 35
airlines operating frequent international
flights to Vietnam as of May 2007.
Industry experts expect that about another
30 air carriers will enter the Vietnam
market over the next ten years.
12
Aircraft Maintenance Centers of VNA
• VNA owns and operates two major commercial
maintenance centers, namely A75 in HCMC and
A76 in Hanoi, which independently perform both
daily and periodical checks and maintenance
according to JAR/VAR-145 standards.
• A75 mainly focuses on Boeing aircraft while the
center in Hanoi concentrates on Airbus airliners.
• At present, A75 and A76 can carry out
maintenance services at the following levels:
Dcheck (F70 and ATR72), A320 (8C-10Ycheck),
B767 (Acheck), and B777 (2Ccheck).
13
Aircraft Maintenance Centers of VNA
• In addition, VNA also seeks to establish a joint venture with a
foreign company to provide aircraft maintenance, repair, and
overhaul services to VNA’s fleet and other international
carriers.
• Due to its current limited maintenance and overhaul
capabilities, VNA still has to send its aircraft for maintenance
and overhaul by Air France, AMECO of China, China Airlines,
Evergreen Aviation Technologies, GAMECO, Hong Kong
Aircraft Engineering Co, Lufthansa AERO, MTU Maintenance
Hanover, Royal Brunei Airlines, Safe Air of New Zealand, or
TAT Industries of France.
• VNA also receives technical and maintenance assistance from
Region Air of Singapore and Park Aviation of Ireland.
14
Pilot Training
• According to the Director General of the Association of Asia
Pacific Airlines, a trade association of Asian-based airlines,
Vietnam’s aviation industry lacks experience in the realm of
pilot and crew training. VNA, however, is effecting continual
improvements in this field.
• Transportation of dangerous goods, cabin crew training, crew
resource management (CRM) and pilot training are all safety-
enhancing programs taught to airline personnel. New
Vietnamese pilots are assigned as Western-type aircraft co-
pilots.
15
Pilot Training
• Most ATR captains and co-pilots are Vietnamese. Currently,
Airbus captains and co-pilots are approximately one-third
foreign and two-thirds Vietnamese citizens. All Fokker flight
crews are Vietnamese, but instructors and check pilots are
expatriates. Most Boeing flight crews are Vietnamese, and
about 1/3 are foreign.
• Only 40 percent of VNA’s aircraft are captained by Vietnamese
citizens, all of whom are required to attend training programs
abroad. It is estimated that about 50 VNA pilots are trained
overseas annually mainly in Australia, France and Germany.
On October 30, 2006, the Minster of Transport issued Decision
2321/QD-BGTVT to establish the Vietnamese Aviation
Academy (VAA) based on the previously existing Aviation
School. One of VAA’s priorities in the future is to devise a
professional pilot training program to serve domestic airlines.
16
CNS/ATM systems in Vietnam
17
Air Traffic Management
VATM
Functional
Divisions
NORATS MIRATS ATC&C ATTECH SORATS
VATM Vietnam Air Traffic Management
NORATS: Northern Region Air Traffic Services
MIRATS: Middle Region Air Traffic Services
SORATS: Southern Region Air Traffic Services
ATC&C: Air Traffic Command and Coordination
ATTECH: Air Traffic Technical Services Center
18
Air Traffic Management
NORATS, MIRATS, and SORATS are in charge of the air traffic in
their respective regions while the ATCOC is responsible for
coordinating the activities among these three operations together
with a separate military ATM operation commanded by the
Vietnam Air Force under the Ministry of Defense.
19
Air Traffic Management
Instrument Landing System (ILS) monitoring
Airfield Lighting Control & Monitoring Panel
Weather Radar Scope
Aeronautical Fixed Telecommunication Network Terminal
20
Vietnam ATS Fast Facts
• ACC’s: 2 (Hanoi and HCM)
• Approach Controls: 3 (Hanoi, HCM, and Da Nang)
• Control Towers: 21
• International Airports: 4 (Noi Bai, Tan Son Nhat, Da Nang, and
Phu Bai)
• Domestic Airports: 20 (Three more domestic airports are
approved for the operation in the coming time)
• International ATS Routes: 26
• National ATS Routes: 25
21
(1) Hanoi ACC
• Hanoi ACC (HAN ACC) is located in the NORATS
headquarter building in Noi Bai Airport. The number of
aircrafts handled in air traffic control is as follows:
22
Amount of Handling for Air Traffic Control in Hanoi ACC
(1) Hanoi ACC
23
Hanoi ACC Room
ACC Room
• Currently the ACC is located
at Noi Bai International Airport.
• The New Hanoi ACC, when
constructed, will be located at
or near the Gia Lam Airport
(construction completion within
5-years)
(2) Noi Bai Approach
• Noi Bai Approach Control coverage is a space, whose
horizontal limit is 75km (40NM) in radius with the DVOR/DME
NBA as its center, and whose altitude limit is from 750m
(2500ft) to 4700m (15500ft), excluding areas of responsibility of
the control towers at Gia Lam, Hoa Lac, Kep, Kien An, and Noi
Bai airports.
• The Terminal radar control area of Noi Bai Approach is
composed of one sector and handles approximately 12-15
operations per hour at the maximum.
24
(2) Noi Bai Approach
• The Noi Bai Approach facility is located on the second
floor of the Noi Bai Control Tower building. The
Approach Control Office, an area of about 60 m2, is
equipped with two banks of Approach Control consoles
with a supervisor desk. The equipment was installed
during a project titled Hanoi FIR Surveillance Work
completed in July 2001.
25
(2) Noi Bai Approach
• Noi Bai Approach Control unit coordinates with
the following bodies:
• Hanoi Area Control Center (ACC)
• Noi Bai ATC Tower
• E-921 (Noi Bai Airport)
• E-916 (Hoa Lac Airport)
• E-918 (Gia Lam Airport)
• E-927 (Kep Airport)
• Zone-1 ATM & Control Center (F371)
26
(2) Noi Bai Approach
• Approach Controller
Working Position
(installation 2001)
• APP with coordination 2
positions
• Supervisor 1 position
• AFTN terminal
(installation 2001)
27
Noi Bai Approach Control Room
(3) Noi Bai Tower
• Tower Controller
Working Positions –
General:
– Local Control Position
– Data/Coordinator Position
– Clearance Delivery
Controller Position
(frequently combined with
Ground Control Position).
This position was also
referred to as Hot-Standby
Position.
– Ground Control Position
28
(3) Noi Bai Tower
• Tower Controller Functionality:
– Military Control Position (not used)
– Instrument Landing System (ILS) Monitor
– Airfield Lighting Control & Monitoring Panel
– Weather Radar Display (not integrated or data-sharing with
Control Radar)
– Aeronautical Fixed Terminal Network (AFTN) Terminal
– Runway Visual Range (RVR)
– During Military Operations, Tower Controllers relocate to
Military Control Tower on opposite side of Airfield for their
ATC Controlling duties.
29
(3) Noi Bai Tower
• As of 2012
30
Noi Bai
Airport
Diagram
31
(4) Ho Chi Minh ACC
• Ho Chi Minh ACC is located in the SORATS
headquarter building near the Tan Son Nhat Airport.
The number of aircrafts handled in air traffic control is
as follows:
32
(4) Ho Chi Minh ACC
HCM ACC Fast Facts:
• Operated: since 2006 (beginning
1990)
• Located at: 22, Tran Quoc Hoan
Street, Tan Son Nhat Intl Airport, Ho
Chi Minh City
• Responsibilities Area: HCM FIR
• Sectors: 5 Sectors
• Adjacent ACCs: SIN, KUL, MNL,
BKK, VTE, PHN, SANNYA, HAN
33
(4) Ho Chi Minh ACC
• Ho Chi Minh ACC control area is divided into 5 sectors. The
area control of Ho Chi Minh ACC is performed based on the
radar data collected from four secondary surveillance radars
(SSR) which are installed at Tan Son Nhat airport, Qui Nhon,
Da Nan, and Ca Mau.
• The new ATM system of Ho Chi Minh ACC is managing ADS-
C/CPDLC on oceanic routes of the South China Sea in the Ho
Chi Minh FIR as official operation from April 2008.
• The Tan Son Nhat approach control functions have been
located in ACC room and SORATS is planning to divide the
Approach Control Sector up from one to two Sectors due to
increasing departure and approach traffic. In such case, it will
be necessary to increase the allocation of HR resource
controllers to these new positions. 34
(5) Tan Son Nhat Tower
• The Tower Local Control and Ground Control functions at Tan
Son Nhat Airport are performed in the control tower VFR room
which was constructed by the US military during the 1970s.
• SORATS is planning to reorganize the Approach Control
sectors from one sector into two sectors to cope with the
increasing departure and approach traffic. Thus, in the future, it
will be necessary to increase or maximize the number and
efficiency of the ATC Controllers allocated in these facilities.
35
(5) Tan Son Nhat Tower
Tower Controller Working
Positions - General
• Local Control Position
• Data/Coordinator Position
• Clearance Delivery Controller
Position (frequently combined
with Ground Control Position).
This position was also
referred to as Hot-Standby
Position.
• Ground Control Position
36
(5) Tan Son Nhat Tower
Tower Controller Functionality
• Military Control Position
• Instrument Landing System (ILS) Monitor
• Airfield Lighting Control & Monitoring Panel
• Weather Radar Scope (not integrated or data-sharing with
Control Radar)
• Aeronautical Fixed Terminal Network (AFTN) Terminal
The peak periods of air traffic (for control towers or radar) are between 09:00 and 10:30
and between 15:30 and 16:30. The total flight operations on a typical day are 300
operations and 400 overflight/transient operations per day. There are five ACC
sectors of airspace in the Ho Chi Minh FIR. There is a fully controlled airspace (no
VFR aircrafts are allowed to fly without control/communications with ATC). A
complete flight plan must be filed (although some aircrafts change their intentions
and then need a flight plan filed by ACC/APP/TWR).
37
Tan Son Nhat
Airport Diagram
38
(6) Da Nang APP/TWR
• Tower Controller Working
Positions – General
– Local Control Position
– Data/Coordinator Position
– Clearance Delivery
Controller Position
(frequently combined with
Ground Control Position).
This position was also
referred to as Hot-Standby
Position.
– Ground Control Position
39
(6) Da Nang APP/TWR
• Tower Controller
Functionality
– Military Control Position
– Instrument Landing System
(ILS) Monitor
– Airfield Lighting Control &
Monitoring Panel
– Weather Radar Scope (not
integrated or data-sharing
with Control Radar)
– Aeronautical Fixed Terminal
Network (AFTN) Terminal
40
41
Da Nang Airport
Diagram
Air Traffic Management
• Vietnam’s flight information region (FIR) is divided into two
areas, namely Hanoi and HCMC. At present, VATM covers FIR
Hanoi and HCMC with two area control centers (located in
Hanoi and HCMC), three approach control centers (in Hanoi,
Danang and HCMC), 17 airport air traffic control towers, six
radar stations, 16 satellite stations, 40 beacons, 20 VHF
stations, and tens of digital microwave links. In 2004,VATM
provided air traffic management services to nearly 100 airlines
operating on 23 international routes and 15 domestic routes.
42
Air Traffic Management
43
Airport Development
• In the period 2005 – 2010, Vietnam plans to invest more than
USD $1.3 billion in airport modernization, expansion and
rehabilitation in order to accomplish an efficient network of 21
airports in operation including projects such as Noi Bai (second
terminal), Na San, Dong Hoi, Cam Ranh, Chu Lai, Lien
Khuong, Con Dao, Phu Quoc (International), Can Tho, Ca Mau,
and Rach Gia.
• During period of 2010 – 2020, several other airports will be
constructed or upgraded including Long Thanh (International),
Chu Lai (Cargo), Cat Bi (Hai Phong), Quang Ninh
(International), Lao Cai, and Cao Bang. A lion’s share of the
investment in airport projects is expected to come from Official
Development Assistance (ODA) loans from foreign
governments such as Japan as well as the private sector.
44
Long Thanh International Airport
• CAAV and SAA forecasts that Tan Son Nhat International
Airport, the only airport in the southern region serving
international flights, will reach maximum capacity of 15 - 17
million passengers per year by 2012 in spite of a new terminal
now under construction. Therefore, these agencies are taking
steps to reduce strain on existing facilities and increase the
country’s overall international passenger capacity by proposing
the construction of the new Long Thanh International Airport.
• This project is also being developed in a bid to compete with
Bangkok and Singapore as a regional transit hub in Southeast
Asia. The Long Thanh International Airport project will be built
on 5,000 hectares in Long Thanh District, Dong Nai Province,
about 40 km southeast of Ho Chi Minh City and 48 km from
Vung Tau City.
45
Phu Quoc International Airport
• At present, the existing airport, with one 2,100m x 30m runway,
is only able to handle small airplanes such as ATR 72s and
Fokker 70s. In 2006, the total passenger throughput at the
airport was 214,000, a 25% year-on-year increase. This small
airport has now become a bottleneck to the island’s economic
and tourist development. A number of foreign investors have
express strong interest in developing several major tourist and
entertainment projects on the island but cannot move forward
due to a lack of an international airport large enough to handle
jet airliners.
46
Air Traffic Management
- 02 Flight Information Regions : Hanoi Fir and Ho chi minh Fir.
- 22 domestic airport and 60 flight routes (20 domestic and 40 international)
47
Air Traffic Management
48
Air Traffic Management
49
Communications
• Aeronautical Mobile Services
• Aeronautical Fixed Services
• Communication Link Network
• Voice Communication Control
• System and Voice Recorder
50
Aeronautical Mobile Services
• Air-to-Ground Communication
• Automatic Dependent Surveillance -
Contract/Controller-Pilot Data Link
Communications (ADS-C/CPDLC)
51
Air-to-Ground Communication
• The VHF air-to-ground communication is
used for the en-route control, terminal
control, and aerodrome control.
• The VHF air-to-ground radio is installed at
each ACC, approach control center, and
airport (and remote site) for air traffic
control services as shown in Table
52
VHF A/G radio for ACC and APP
53
Table : VHF air to ground
radio for ACC and APP
Air-to-Ground Communication
• The Qui Nhon VHF
communication facility was
installed in the radar station
for the air-to-ground
communication in the
oceanic area in 1989 and
one of three sets of the VHF
equipment was renewed
and the others will be
replaced at the end of 2009.
54
Air-to-Ground Communication
• Most of the Hanoi and Ho Chi Min FIRs at high altitude
airspace is covered by those VHF radios for the air-to-
ground communication. According to the information from
the air traffic controllers, there is no lack of VHF
communication coverage for the ATC operation.
• Further, the HF air-to-ground radios are installed at Ho Chi
Minh ACC as a standby VHF communication for the
oceanic airspace as shown in Table
55
HF air to ground radio for ACC
Air-to-Ground Communication
• The approximated
coverage of the VHF
radio for the area
control in the Hanoi and
Hoch Minh FIRs
56
The Approximated
Coverage of VHF Radio
(FL290)
ADS-C/CPDLC
Automatic Dependent Surveillance-Broadcast
(ADS-B)
• In addition to the VHF air-to-ground voice
communication, ADS-C/CPDLC via
ARINC network is introduced at Ho Chin
Minh ACC and has been operated on a
trial base since May 2006 for the oceanic
en-route control of eight routes including
L625, N892, M768, N500, L628, M765,
M771, and L642.
57
Aeronautical Fixed Services
58
The Aeronautical Fixed Telecommunication Network (AFTN) in Vietnam is
structured as illustrated in the following diagram:
Aeronautical Fixed Services
• There are four communication centers including Hanoi,
Ho Chi Minh, Dan Nang, and Gia Lam, and one sub-
communication center, Southern Airport Corporation, in
the aeronautical fixed telecommunications network
(AFTN).\
• The AFTN is connected to the APP functions, tower
functions, administrative office as a domestic station via
PTT or VSAT, and international ACC functions such as
Bangkok, Hong Kong, Kuala Lumpur, Manila, Phnom
Pen, Singapore, Vientiane, Sanya, and Nanning ACC via
international leased channels or VSAT channels.
59
ATS Direct Speech
(Telephone)
60
AFTN (Telegraph)
61
Communication Link Network
62
Communication Link Network
• The communications channels and
lines (telephones and data) among
NORATS, MIRATS, SORATS, other
counterpart facilities such as airports
and radar sites, and remote air-to-
ground communications sites are
updated and added by using VSAT,
which is augmented by public
telephone networks to deliver a
redundancy of communications and
improvement in the reliability of
equipment in 2008.
63
VANSCORP Communication Link
64
NORATS Communication Link
65
MIRATS communication Link - 1
66
MIRATS communication Link - 2
67
SORATS Communication Link
68
Overview of ATCOC Equipment
Services
• Aviation Meteorology equipment system
– World Area Forecast System – WAFS/2G
– Aviation Meteorology Database System
– GPS system
– MTSAT terminal from NMHS.
69
Overview of ATCOC Equipment
Services
• Air traffic command & coordination system
– Automatic Message Switching System
(AMSS)
– Air Traffic Control Management System
– Radar Monitoring Terminal
– Aeronautical Notice-to-Airman (NOTAM)
information system.
70
Overview of ATCOC Equipment
Services
• Communications Systems
– Alcatel Private Automatic Branch exchange
(PABX) system
– VSAT ground satellite system (Very Small
Aperture Terminal)
– Digital VIBA system
– Fiber optics system
– Recording System
– Standard time system
71
Overview of ATCOC Equipment
Services
• Power and Technical Environment Guarantee System
– Electric generator system (currently Master/Slave set-up)
– 40kva ups system (Dual 40kva sets) – can operating in Parallel
Mode or Master/Slave Mode.
– Ground – lightning protection system (Transient Voltage Surge
Suppression-TVSS)
– Smoke detector – fire alarm system.
– Manufacturer: RIELLO – Italy
– Model: + Multi dialog – MDT 4000
– Operation date: July 2006
– Field of activity: + provide continuous electric power (220V-
50Hz) for all priority equipment system of ATCOC Center.
72
Overview of ATCOC Equipment
Services
• Electric generator system
– Comprised of 2 sets of machinery assembly:
• Manufacturer:
– First machinery assembly: FG-Wilson – UK (300kVA) installed
2000.
– Second machinery assembly: Bruno – Italy (320kVA) installed
2008.
• o Field of activities:
– provide continuous electric power for ATCOC center.
– working system: Master/Slave
73
Voice Communication Control
System and Voice Recorder
• the list of voice communication control
systems (VCCS) and voice recorders
(REC) installed in Vientiane ACC and
each airport.
74
VCCS and REC
75
Navigations
76
Navigations
77
Navigations
Instrument Landing System (ILS)
78
79
Surveillance
• There are six radar facilities as the radar
surveillance system for the air traffic control in
Vietnam. Three PSR/MSSRs are installed at Noi
Bai, Da Nang, and Tan Son Nhat airport, and
three MSSRs are installed at Vinh, Qui Nhon,
and Ca Mau as shown in Table
– Primary Surveillance Radar (PSR) – 80nm Range
– Secondary Side-band Radar (SSR) – 250nm Range
– Radar Approach Airspace – 750ft AGL up to and
including FL155
80
Surveillance
81
Qui Nhon Radar station
82
Qui Nhon Radar station
• The Qui Nhon Radar station was constructed at
the top of a mountain with approximately 600 m
elevation, which is located 3km from the Qui
Nhon city, in 1994. The MSSR has the coverage
of approximately 250NM, covering nearly then
entire Ho Chi Minh FIR in the South China Sea
oceanic control area. Although the MSSR has
already operated for 15 years, there are no
operational and maintenance problems such as
radar blank on a specific air route and luck of
spare parts etc. at the moment.
83
The Da Nang (Son Tra) Radar
station
84
The Da Nang (Son Tra) Radar
station
• There are two military radar facilities adjacent to the Da
Nang radar station, which are controlled by a nearby
military fortress protecting the Da Nang area.
Unfortunately, at times, this affects the Da Nang VHF
with radio interference from the military radar. Thus,
MIRATS is planning to install a new PSR far from the
existing site (2010 tender) for backup purposes of the
current PSR (because there are Vietnam Air Force
operations in the Da Nang Airport area).
• The VHF receivers may be installed in the new site also
to avoid radio interference (by electromagnetic pulse)
from the nearby military PSR.
85
Surveillance
Coverage chart of MSSR
86
• Although all land area of Vietnam has
been covered by six MSSRs, a part of the
oceanic area of the South China Sea in
the Ho Chi Minh FIR is out of the MSSR
coverage; therefore, ADS-C has been
introduced to make up the blind area on
the area.
87
88
Development Trends
89
Development Trends
current
Transition phase Future
90
Development Trends
91
Các file đính kèm theo tài liệu này:
- bai_giang_dan_duong_va_quan_ly_khong_luu_chuong_2_ha_duyen_t.pdf