IVAO Flight Operations Department
IVAO

IVAO Division Procedures

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China

Reduced vertical separation minimum, RVSM of China.

Briefing and introduction of CHINA RVSM AIRSPACE

Metric RVSM implemented in the Shenyang, Beijing, Shanghai, Guangzhou, Kunming, Wuhan, Lanzhou, Urumqi FIRs and Sector AR01 (Island airspace) of the Sanya CTA between 8900m (FL291) and 12500m (FL411) inclusive. The airspace between 8900m (FL291) and 12500m (FL411) is defined as RVSM airspace. China RVSM airspace is exclusive RVSM airspace; aircraft that are not RVSM compliant may not operate into China RVSM airspace between 8900m (FL291) and 12500m (FL411).

 

FLIGHT LEVEL ALLOCATION SCHEME (FLAS)

China RVSM Flight Level Allocation Scheme (FLAS) is based on Metric Flight Level. ATC will issue the Flight Level clearance in meters, the aircraft shall be flown using the flight level in FEET. There will be no change in flight level allocations and operations at 8400m (FL276) or below in non RVSM airspace.

Pilots should be aware that due to the rounding differences, the metric readout of the onboard avionics will not necessarily correspond to the cleared Flight Level in meters; however the difference will never be more than 30 meters. Aircraft equipped with metric and feet altimeters shall use the feet altimeter within RVSM flight level band

 

TABLE OF FLIGHT LEVEL ALLOCATION

Aircraft equipped with the altimetry system not capable of flying in FEET shall not flight plan in RVSM airspace.

 

180-359

000-179

Flight Levels

Flight Levels

m

ft

FL

m

ft

FL

ETC

ETC

ETC

ETC

ETC

ETC

 

 

 

 

 

 

15500

50900

FL509

14900

48900

FL489

14300

46900

FL469

13700

44900

FL449

13100

43000

FL430

12500

41100

FL441

12200

40100

FL401

11900

39100

FL391

11600

38100

FL381

11300

37100

FL371

11000

36100

FL361

10700

35100

FL351

10400

34100

FL341

10100

33100

FL331

9800

32100

FL321

9500

31100

FL311

9200

30100

FL301

8900

29100

FL291

8400

27600

FL276

8100

26600

FL266

7800

25600

FL256

7500

24600

FL246

7200

23600

FL236

6900

22600

FL226

6600

21700

FL217

6300

20700

FL207

6000

19700

FL197

5700

18700

FL187

5400

17700

FL177

5100

16700

FL167

4800

15700

FL157

4500

14800

FL148

4200

13800

FL138

3900

12800

FL128

3600

11800

FL118

3300

10800

FL108

3000

9800

FL98

2700

8900

FL89

2400

7900

FL79

2100

6900

FL69

1800

5900

FL59

1500

4900

FL49

1200

3900

FL39

900

3000

FL30

600

2000

FL20

 

 

 

 

Note: FL291-FL411 RVSM airspace

AIRCRAFT EQUIPMENT

Due to the limitations of flight simulator, maintain, acuity of FL or altitude are quite simple. However, in order to fly the RVSM on IVAO network, following equipments should have on an aircraft.

a.     The primary altimetry system must have FEET in reading;

b.     Aircraft must equipped with one automatic altitude-keeping device;

c.     One altitude-alerting device.

By default, some add-on aircrafts may not equipped with TCASII, however, a TCASII can be found on IVAPÕs network interface, the pilots must ensure their TCAS on IVAP is on mode C when flying at IVAOCNÕs airspaces.

 

FLIGHT PLANNING REQUIREMENTS

The letter ÒWÓ must be checked in item 10 (Equipment) of the IVAO standard flight plan to indicate that the aircraft are RVSM operational. The flight level within China RVSM in Flight Plan is expressed as S followed by 4 figures (such as S1250, S1220 and S1190 represent 12500m, 12200m and 11900m respectively).

 

Special Operation Department

During the IVAO event, or CN divisionÕs SO tour, it is acceptable to allow aircraft that are not RVSM compliant to fly into RVSM airspace (between 8900m, FL291 and 1200M, FL411.

The exception only applied to following situations.

 

a. The aircraft is used for carried out mercy or humanitarian missions under the IVAOCN SO Department events;

b. State aircraft of Flight simulation add-ons (those aircraft used in military, custom and police services shall be deemed state aircraft) in flying IVAOCN or IVAO HQ SO departmentÕs division tour.

 

The assignment of cruising levels to non-RVSM approved aircraft as listed above shall be subject to an ATC clearance.

Aircraft operators shall include the 'STS/Category of operations (i.e FERRY/HUMANITARIAN/MILITARY/CUSTOMS/POLICE/SO WTLEGXX)

/ NON-RVSM COMPLIANT' in field 18 of the IVAO Flight Plan.

SUSPENSION OF RVSM

Pending.

 

RELATED COMMUNICATION

 ÒPilot level callÓ is excepted in all situation, pilots shall report reaching any assigned altitude within RVSM airspace.

 

CONTROLLER/PILOT PHRASEOLOGY

 

Phrase

Purpose

(call sign) CONFIRM RVSM APPROVED

Used by the controller to ascertain aircraftÕs RVSM status, if letter W is missing in FPL or not sure about aircraftÕs RVSM ability.

NEGATIVE RVSM

Used by pilot to report if aircraft is in non-RVSM approval status.

a.     On the initial contact on any frequency within RVSM airspace, controllers shall read back NEGATIVE RVSM during the communication, and

b.     In all request of flight level changes

c.     In all read backs of flight level clearances pertaining to flight levels.

(call sign) UNABLE ISSUE CLEARANCE INTO RVSM AIRSPACE, MAINTAIN [or DESCEND TO, or CLIMB TO] FLIGHT LEVEL (number)

Used by ATC to deny clearance into RVSM airspace.

AFFIRM RVSM

Used by the pilot to report if aircraft is in RVSM approval status.

UNABLE RVSM DUE WEATHER

Used by pilot to report when weather affects the aircraftÕs ability to maintain the required Flight Level.

UNABLE RVSM DUE EQUIPMENT

Used by pilot to report when aircraft certain equipments fail caused aircraft not able to maintain required RVSM Flight level.

REPORT WHEN ABLE TO RESUME RVSM

Used by controller to confirm that the pilot is ready to resume RVSM operations.

READY TO RESUME RVSM

Used by pilot to report when aircraftÕs ability is able to resume operations within RVSM airspace after equipments or weather-related contingency.

 

 

Weather (WAKE TURBULENCE) PROCEDURES

 

Pilots encountering weather reason in Chinese RVSM airspace have the option of requesting;

a.     FL Changes, or

b.     A vector

c.     A lateral offset

 

STRATEGIC LATERAL OFFSET PROCEDURE (SLOP)

Pilot may apply strategic lateral offsets if the aircraft is equipped with automatic offset tracking capability. The pilot is fully responsible for carried the strategic lateral offset.

 

1.     Applied when aircraft flying at 200nm away from coast line.

The strategic lateral offset should be established at a distance of 1NM or 2NM to the right of the centre line related to the flight plan route. Pilots are not required to inform ATC when applied strategic lateral offset procedure.

2.     Within 200nm from the coast line and mainland airspace.

Tthe strategic lateral offset procedure must be approved by ATC. 1NM offsets are preferred.

 

AIRSPACE SAFETY ASSESSMENT AND MONITORING

Pilot in command is response for maintain, monitor the aircraftÕs altitude, when deviating for any reason by 90m (300ft) or more from assigned, cleared, filed flight level in RVSM airspace, must report to the relevant ATC (if online) via radio or text.

 

TRANSITION BETWEEN FLÕS

During cleared transition between levels, the aircraft should not overshoot or undershoot the assigned FL by more than 45m (150ft).

 

CONTINGENCY ACTIONS FOR WEATHER ENCOUNTERS AND AIRCRAFT SYSTEM FAILTURES

 

When pilot confirm that the aircraft is unable to maintain flight level or unsure of aircraft altitude-keeping ability.

 

Allowable actions and requirements as detailed below.

 When ATC online.

-        Obtained or applied new suitable Flight Level from ATC.

-        During the Flight level change, pilot are also required to using aircraftÕs own TCAS and IVAP TCAS to monitor nearby traffic situations.

-        If unable to contact ATC via voice or text, broadcast your intentions in 121.50.

 

When ATC not online.

-        Using private messages or 122.80 UNICOM frequencies to inform nearby traffic and intentions.

 

Due to the limitation of Flight simulation, only following situation is defined.

 

PILOT ACTION

CONTROLLER ACTION

Weather

Contact ATC, if online, required Radar Vector, Flight Level Change, or offset

-        Provide radar vector, Flight level change, or offset

Unable RVSM Due to equipment Failure of Automatic Altitude Control System, Engine failure or similar situation. 

- Contact ATC and state ÒUnable RVSM Due EquipmentÓ

- Request clearance out of RVSM airspace

- provided 600m (2000ft)  vertical separation or appropriate horizontal separations,

- Clear aircraft out of RVSM airspace


Aircraft required an emergency descent

- Inform ATC present Altitude and position, and required Flight Level.

 -If in an emergency situation when Mayday call had to applied, broadcast Mayday information, descent as pilotÕs discretion. Try to make contact with ATC as soon as possible

- If unable to contact with ATC or ATC is not online when emergency descent required:

Turn 30 degree right and track out 20 kilometers (i.e. deviate right of airway centerline by 10km or 5NM), then, turn left to track parallel the original route, climb or descent to the new level. Then return to the original one.

- Using 121.5 or 122.80. Or private messages or 123.45 to established communication with nearby traffic.

- Pilot is responsible to establish visual contact with any conflicting traffic.

- Turn on all aircraft exterior lights.

 

- Issue ATC clearance to change Flight Level as pilotÕs required.

 

 

 TRANSITION AREAS

 

Transition areas and procedures for transition between China RVSM and adjacent FIRs in neighboring countries are provided below.

 

Special attention shall be given to the moment when the China meter to feet converse table shall be used for aircraft entering Chinese RVSM airspace;

a.     Aircraft with primary FEET altimeters shall fly using the feet altimeter and use the China RVSM conversion table from the initial clearance to a FL in the China FLAS;

b.     Aircraft with primary METER altimeters shall switch and fly using the FEET altimeter and use the China RVSM conversion table from the initial clearance to a FL in the China FLAS;

c.     Aircraft equipped with the altimetry system not capable of flying in FEET shall not flight plan in RVSM airspace.

 

Transition procedure between Dalian ACC and Pyongyang ACC (TOMUK)

Route

Reporting Point

RVSM FL available

B332

TOMUK

Outbound FL291,FL371

Inbound FL321,341

NOTE:

Level-off Zone 20KM/10.8NM

Transition Zone 50KM/27NM

 

Transition procedure between Shenyang ACC and Pyongyang ACC (GOLOT)

Route

Reporting Point

RVSM FL available

A345, A575

GOLOT

Outbound FL291, 331, 371

Inbound FL276, 301, 321, 361, 401

NOTE:

Level-off Zone 30KM/16NM

 

Transition procedure between Shenyang ACC and Vladivostok ACC (BISUN)

Route

Reporting Point

RVSM FL available

B451

BISUN

Outbound FL371, 391, 449

Inbound FL381, 430, 509

NOTE:

Level-off Zone 30KM/16NM

 

Transition procedure between Harbin ACC and Khabarovsk ACC (ARGUK)

Route

Reporting Point

RVSM FL available

G212

ARGUK

Outbound FL291, 311, 331, 351, 371, 391, 411, 449,

489

Inbound FL276, 301, 321, 341, 361, 381, 401, 430,

469,

NOTE:

Level-off Zone 30KM/16NM

 


 

Transition procedure between Harbin ACC and Blagoveshchensk ACC (SIMLI)

Route

Reporting Point

RVSM FL available

A588, G494

SIMLI

Outbound FL291, 331, 391, 449

Inbound FL301, 321, 381, 430, 509

NOTE:

Level-off Zone 20min

 

Transition procedure between Hailar ACC and Chita ACC (TELOK)

Route

Reporting Point

RVSM FL available

A91, A345, G492, G495

TELOK

Outbound FL321, 341, 430

Inbound FL266, 291, 371, 391

NOTE:

Level-off Zone 5min

 

Transition procedure between Beijing ACC and Ulaanbaatar ACC (POLOH)

Route

Reporting Point

RVSM FL available

B339

POLOH

Outbound FL301, 341, 381, 401

Inbound FL291, 331, 371, 391

NOTE:

Level-off Zone 50KM/27NM

 

Transition procedure between Beijing ACC and Ulaanbaatar ACC (INTIK)

Route

Reporting Point

RVSM FL available

A575B458

INTIK

Outbound FL301, 341, 381, 401

Inbound FL291, 331, 371, 391

NOTE:

Level-off Zone 50KM/27NM

 

Transition procedure between Lanzhou ACC and Ulaanbaatar ACC (MORIT)

Route

Reporting Point

RVSM FL available

B330B480

MORIT

Outbound FL276, 321, 341, 401

Inbound FL266, 331, 371, 391

NOTE:

Level-off Zone 5min

Transition procedure between Urumqi ACC and Ulaanbaatar ACC (TEBUS)

Route

Reporting Point

RVSM FL available

G588

TEBUS

Outbound FL331, 351, 371,

Inbound FL301, 381, 430

NOTE:

Level-off Zone 5min

 

Transition procedure between Urumqi ACC and Barnaul ACC (GOPTO)

Route

Reporting Point

RVSM FL available

B206

GOPTO

Outbound FL321, 341, 381, 430

Inbound FL291, 331, 449

NOTE:

Level-off Zone 75KM/40.5NM

 

Transition procedure between Urumqi ACC and Semipalatinsk ACC (SARIN)

Route

Reporting Point

RVSM FL available

A368G155

SARIN

Outbound FL276, 321, 341, 430

Inbound FL266, 331, 371, 391, 449

NOTE:

Level-off Zone 75KM/40.5NM

 

Transition procedure between Urumqi ACC and Almaty ACC (REVKI)

Route

Reporting Point

RVSM FL available

A360A460B142

REVKI

Outbound FL256, 276, 321, 341, 430

Inbound FL246, 266, 331, 371, 391, 449

NOTE:

Level-off Zone 75KM/40.5NM

 


 

Transition procedure between Kunming ACC and Yangon ACC (LINSO)

Route

Reporting Point

RVSM FL available

A599

LINSO

Outbound FL276, 301, 321, 341, 361, 381, 401, 430

Inbound FL291, 311, 331, 351, 371, 391, 411, 449

NOTE:

Level-off Zone 75KM/40.5NM

 

Transition procedure between Kunming ACC and Vientiane ACC (SAGAG)

Route

Reporting Point

RVSM FL available

A581

SAGAG

Outbound FL291, 311, 331, 351, 371, 391, 411, 449

Inbound FL276, 301, 321, 341, 361, 381, 401, 430

NOTE:

Level-off Zone 75KM/40.5NM

 

Transition procedure between Qingdao ACC and Incheon ACC (AGAVO)

Route

Reporting Point

RVSM FL available

G597

AGAVO

Inbound FL217, 236, 256, 276, 301, 321, 341, 361,

381, 401

Outbound FL227, 246, 266, 291, 311, 331, 351, 371,

391, 411311331351371391411

 

Transition procedure between Urumqi ACC and Lahore ACC (PURPA)

Route

Reporting Point

RVSM FL available

B215G325

PURPA

Inbound FL331, 351, 391, 411

Outbound FL321, 341, 361, 381, 401

NOTE:

Level-off Zone 10min

 

Transition procedure between Shanghai ACC and Fukuoka ACC (SADLI)

a.     Aircraft from Shanghai ACC to Fukuoka ACC assigned FL250, FL290, FL310 and FL390 without coordination with and approval of Incheon ACC

b.     Aircraft from Fukuoka ACC to Shanghai ACC assigned FL240, FL280, FL300 and FL400 without coordination with and approval of Incheon ACC

Transition procedure between Nanning ACC and Ha Noi ACC (TEBAK)

ATS route: R474

a.     Nanning ACC to Hanoi ACC: FL200, FL220, FL240, FL260, FL280, FL300, FL320, FL360, FL380, FL400.

b.     Hanoi ACC to Nanning ACC: FL230, FL250, FL270, FL290, FL310, FL330, FL350, FL370, FL390, FL410

Transition procedure between Sanya ACC and Ha Noi ACC (ASSAD)

a.     Hanoi FIR to Sanya FIR: FL290, FL330, FL370, FL390, FL410

b.     Sanya FIR to Hanoi FIR: FL280, FL300, FL340, FL380, FL400




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