Uni-directional RNAV route for Northbound traffic, RNP10 requirements shall be met when operate at FL290 or above. The delegated flight levels are FL310, FL320, FL350, FL360, FL390 and FL400.

Uni-directional RNAV route for Southbound traffic. RNP10 requirements are to meet when operating at FL290 or above. The delegated flight levels are FL310, FL320, FL350, FL360, FL390 and FL400.

The uniUni-directional RNAV route for Southbound traffic.

Uni-directional RNAV route for Northbound traffic, RNP10 requirements shall be met when operating at FL290 or above . The delegated flight levels are FL310, FL320, FL350, FL360, FL390, FL400.

Non-RNAV 2 compliant aircraft shall be operated below FL290 or at other flight levels depending on air traffic situations and ATC instructions.
Segment NAH - BESKI: Ha Noi ACC (Sector 2): FREQ 133.65 MHz
Segment BESKI - VILAO: Ha Noi ACC (Sector 3): FREQ 125.9 MHz

Southbound traffic from MIGUG is controlled by Ho Chi Minh ACC.
Uni-directional RNAV route for Southbound traffic, RNP10 requirements shall be met when operating at FL 290 or above. The delegated flight levels are FL 310, FL 320, FL 350, FL 360, FL 390, FL 400.

- Segment BMT-DOVIN-ANLOC: When there is military operation within the area, aircraft shall maintain altitude 7 000 M and above. ATC units shall closely coordinate with Command Centre - Region III.
- Used for flights operating on North - South routes and overflights: Domestic flights and international flights (at and above FL 290)..
- Even flight levels above FLFL290 290 including FL 300FL300, FL 320FL320, FL 340FL340, FL 360FL360, FL 380FL380, FL 400FL400, FL 430FL430, FLFL470 470 and FLFL510 510 etc are used for Southbound traffic.
- Below FLFL290 290 are used for flights from North to South and vice-versa.
- The operator does not have RNAV 5 operational approval: Operating on Q1 route below FL 290 or other ATS routes and not operating on Q1 route at and above FL 300.
- Only used under the ATS surveillance environment.
- Aircraft can be vectored to intercept Q1 route.

- Used for the flights operating on North - South routes and overflights: Domestic flights and international flights (at and above FL 290). ;
- Odd flight levels at and above FLFL290 290 including FL 290FL290, FL 310FL310, FL 330FL330, FL 350FL350, FL 370FL370, FL 390FL390, FL 410FL410, FLFL450 450 and FLFL490 490 etc are used for Northbound traffic;
- Below FLFL290 290 are not used.
- Only used under the ATS surveillance environment.
- Aircraft can be vectored to intercept Q2 route.
- The operator does not have RNAV 5 operational approval: Not operating on Q2 route.

- Only applied for overflights.
- Only applied upon having agreement between ATC Units and Command Centre - Region I.
- In case of having military activities, aircraft are requested to return to ATS routes or holding patterns in accordance with ATC clearances.
- Used for the domestic flights and international flights (at and above FL 290).
- Only used under the ATS surveillance environment.
- Aircraft can be vectored to intercept Q3 route.

- Used for the domestic flights and international flights (at and above FL 290).
- Only used under the ATS surveillance environment.
- Aircraft can be vectored to intercept Q4 route.

- Used for the domestic flights and international flights (at and above FL 290).
- Only used under the ATS surveillance environment.
- Aircraft can be vectored to intercept Q5 route.

- Used for the domestic flights and international flights (at and above FL 290).
- Only used under the ATS surveillance environment.
- Aircraft can be vectored to intercept Q6 route.

- Used for the domestic flights and international flights (at and above FL 290).
- Only used under the ATS surveillance environment.
- Aircraft can be vectored to intercept Q7 route.

- Only used when there are no military operations, or when there are military operations but these operations do not affect to civil flight operation and are approved by the Regional Air Command Centre - Region I;
- Q10 is even only;
- Minimum sector altitude (MSA) is calculated based on protection area evaluate 20 KM each side of corridor. Minimum obstacle clearance (MOC) is 600 M.

Minimum sector altitude (MSA) is calculated based on protection area evaluate 20 KM each side of corridor. Minimum obstacle clearance (MOC) is 600 M.

- Only used when there are no military operations, or when there are military operations but these operations do not affect to civil flight operation and are approved by the Regional Air Command Centre - Region I;
- Minimum sector altitude (MSA) is calculated based on protection area evaluate 10 KM each side of corridor. Minimum obstacle clearance (MOC) is 600 M.

- Only used when there are no military operations, or when there are military operations but these operations do not affect to civil flight operation and are approved by the Regional Air Command Centre - Region I;
- Minimum sector altitude (MSA) is calculated based on protection area evaluate 10 KM each side of corridor. Minimum obstacle clearance (MOC) is 600 M.