SIMULATION USE ONLY, DO NOT use for real world navigation.


VHSK / Sek Kong Airfield / 石崗軍營

VHSK All-in-one HK07 Wan Chai Heliport

Local Flight Charts All-in-one

1.1 Sek Kong Airfield Information:

1.1.1 Aerodrome Information

a) Reference point : 2226.5N 11405.0E

b) Elevation: 50 ft

c) Physical Characteristics
i) Runway Length: 4143 ft X 110 ft

ii) Clearway:
Runway 11: 1093 ft
Runway 29: 1010 ft

1.1.2 Circuit Procedures

i) Fixed Wing Circuits

a) North of the runway at 800 ft AMSL

ii) Helicopter Circuits
a) South of the runway at 800 ft AMSL
b) Autorotation circuit can be done on the south of the runway at or above 3500 ft AMSL.

1.1.3 Holding / Joining Procedures

When it is necessary for fixed-wing aircraft to hold before joining the circuit due to traffic, they are to track overhead the circuit pattern at altitude 2000 ft.

The circuit is to be joined at the beginning of the downwind leg. When it is necessary for fixed-wing aircraft in the circuit to hold, they are to follow the direction of the circuit, at circuit altitude or as directed by Sek Kong Tower, remaining to the north of the runway.

1.1.4 Restriction on Use of Circuit

The maximum number of aircraft, including helicopters, in the traffic circuit at Sek Kong Aerodrome should not exceed three at any one time.

1.1.5 Communications

All aircraft operating in the SKARA shall carry radio equipment enabling them to establish and maintain two-way communication on 123.6 MHz (Primary) or 121.1 MHz (Secondary).

1.1.6 Weather Minima

Observed weather within the Shek Kong Aerodrome Reporting Area (SKARA), must show visibility of at least 5 km and a cloud ceiling of not less than 1200 ft for circuits.

1.2 Procedures for Entry and Exit to/from Sek Kong Aerodrome Reporting Area (SKARA)

1.2.1 Prior permission must be obtained from Royal Air Force Duty Officer through ATC units for any flight intending to operate within the Shek Kong Aerodrome Reporting Area (SKARA). (Details of flight procedures applicable within the SKARA will be provided by the
RAF Sek Kong Duty Officer.)

1.2.2 Aircraft shall enter or exit the Shek Kong Aerodrome Reporting Area (SKARA) from the CTZ and UCARAs via Kadoorie Gap, Fire Station Gap, Pagoda, Kam Tin Gap and Mai Po (For GFS only)



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Real Time Weather

VHHH METAR Local Forecast Radar Image

Weather Photos

Kadoorie Farm (Sek Kong Airfield)

Kadoorie Farm


UCARA Port Shelter
Port Shelter

Waglan Zone

Harbour and Green Island (Island Zone)
Green Island

Cheung Chau (Island Zone)
Cheung Chau

Hong Kong South (Island Zone)

CTR Zone

2. Regulations for Local Flights in the Hong Kong Aerodrome Traffic Zone (ATZ) and Control Zone (CTR)

2.1.1 Hong Kong Aerodrome Traffic Zone (ATZ) and Control Zone (CTR) airspace are classified as Category C.

2.1.2 ATC clearance for local flying will only be given if, in the opinion of Aerodrome Control, or Zone Control as appropriate, such flying will not interrupt or unnecessarily delay the normal operation of public transport aircraft.

2.1.3 Recreational and training flights, including practice approaches, landings or departures, by privately owned light aircraft are not normally permitted at Hong Kong International Airport.

2.1.4 Before entering the ATZ or CTR, pilots shall inform ATC of their entry point, altitude, route and destination, or other intentions and obtain an ATC clearance for the proposed flight.

2.1.5 Before leaving the ATZ or CTR, pilots shall inform ATC of their exit point and destination, before contacting the next ATS unit, and when Flight Information Service is not available, pilots should notify ATC of their ETA for the re-entry point, and on their return adhere to within 15 minutes of that notified time.

2.1.6 Flights by fixed wing aircraft within the ATZ are normally restricted to joining the traffic circuit or leaving the traffic circuit to proceed to the CTR or Uncontrolled Airspace Reporting Areas (UCARAs).

2.1.7 Flights by fixed wing aircraft and helicopters are restricted on the following CTR routes:
a) Tung Chung Pass fixed wing aircraft not permitted;
b) Silvermine fixed wing aircraft not permitted;
c) Gold Coast Corridor fixed wing aircraft not permitted;
d) South Pass fixed wing aircraft and single engine helicopters not permitted;
e) East Pass single engine aircraft not permitted. (With the exception of Leaving or Entering KTATZ for Kai Tak);
f) Sha Tin Pass single engine aircraft not permitted. (With the exception of routing via Sha Tin Pass to North of Tsing Yi then towards Harbour or Tuen Mun Zone. Maintain VFR at or below 800 feet (RWY 07) or at or below 1500 feet (RWY 25) before entering Ma Wan Zone via Sha Tin Pass)

3. Weather Minima

3.1 VFR flights during daylight hours may be approved :
a) within the Hong Kong ATZ providing the weather observation at Hong Kong International Airport shows a visibility of at least 5 KM and a cloud ceiling of not less than 1 500 ft;
b) within the Hong Kong CTR providing the weather conditions on the intended track of the aircraft are a visibility of at least 5 KM and a cloud ceiling of not less than 1 500 ft.

4.1 Helicopter Local Flights

4.1.1 Prior to landing at any site in the Territory, other than Hong Kong International Airport, pilots shall contact the appropriate ATS unit and advise the estimated duration of the ground stop-over.

4.1.2 Immediately after take-off from any landing site within the Territory, pilots shall inform the appropriate ATS unit of their position and intentions.

4.2 Helicopters flying in the Control Zones 

To minimize congestion and to enhance flight safety in the Control Zones, pilots are to observe the following:

4.2.1 ATC
Keep read backs short. Note that full read back is only required for QNH and clearances.
Acknowledgement of other ATC instructions can be made by a simple “Wilco”.
When high traffic volume is expected, ATC will sometimes use separate controllers for 121.0 and 120.60 and keep the 2 frequencies separate.

4.2.2 Traffic in the Harbour
It was agreed that the high risk area is west of Hung Hom and North Point below 1000 ft. due to helicopters using the Wanchai Helipad, Shun Tak and the Peninsula Rooftop. Pilots are to be advised to keep to the following discipline over the Harbour.

• Fixed wing aircraft to maintain 1500 ft. westbound and 1000 ft. eastbound.
• Helicopters to maintain at or above 1000 ft. when transiting.

Pilots must exercise a high standard of airmanship. “See and be seen” applies not only to lookout but also to listening out on the radio.

4.2.3 Position Reporting
Pilots are reminded to make accurate position reports when operating in the Control Zones. For example, simply reporting “Waglan” is insufficient and the PIC should report specifically to enable ATC to identify position to within a few square kilometres, e.g. “Junk Bay”, “Clearwater Bay”, “Shek O”, etc.

4.2.4 Pilots are also reminded that it is good practice to report “Green Island” and “Cheung Chau” due to heavy traffic at these two points. (At one time, there was a standing NOTAM making this mandatory. The NOTAM is no longer in force. However, it is still good practice to continue reporting at these two points.)




5. Regulations for Local Flights in the Uncontrolled Airspace Reporting Areas (UCARAs)


5.1.1 All pilots intending to operate within UCARAs are required to have satisfactorily completed a border check of the areas with a company approved Training Captain, Qualified Flying Instructor or Assistant Flying Instructor.

5.1.2 UCARAs airspace is classified as Category G with an additional requirement of two-way radio communication.

6. Procedures for Local Flights in Uncontrolled Airspace Reporting Areas (UCARAs)

6.1.1 Special areas have been defined to permit aircraft operations to take place under VFR. The associated procedures have been developed to allow such flying to take place without interference to aircraft operating in accordance with IFR and/or in the Hong Kong Aerodrome Traffic Zone and Control Zone. The seven areas are designated as Uncontrolled Airspace Reporting Areas (UCARAs) : Mirs Bay, North Border, New Town, Ninepins, Port Shelter, Tolo and Waglan.

6.1.2 UCARA airspace is classified as Category G with an additional requirement for tw0-way radio communication.

6.2.1 The lateral boundaries of the UCARAs are indicated on the map above.


6.3.1 The vertical limits of all the CTZ are 2000 ft AMSL
6.3.2 The vertical limits of the UCARAs are :
a) New Town and Port Shelter Surface to 2000 ft AMSL
b) Tolo Surface and Mirs Bay to 3000 ft AMSL
c) Ninepins Surface to 3500 ft AMSL
d) North Border Surface to 2000 ft AMSL (normally aircraft will be restricted to 1 000 ft AMSL or below. For operations above 1000 ft prior permission from Hong Kong ATC is required which will be subject to co-ordination with Sham Chum ATC).

7.5 Communications

7.5.1 Pilots shall establish and maintain two-way communication with ‘Hong Kong Information’ on entering and when operating within UCARAs.

7.5.2 Pilots shall report their position and altitude as follows :

a) When entering/leaving each UCARA;
b) Every 15 minutes if no other communication have been made within that period.

7.5.3 When ‘Hong Kong Information’ is not available, pilots should broadcast their positions on frequency 121.0 MHz at appropriate intervals and when crossing UCARA boundaries, for the information of other aircraft in the area.
7.5.4 In order to enhance flight safety in the vicinity of the entry/exit routes to/from the Shek Kong Aerodrome Reporting Area (SKARA), pilots are to include in their initial transmission on leaving the SKARA, the name of the entry/exit route, as well as the
UCARA they are entering.

8. Flight Information Service

8.1 Hong Kong Flight Information Service provides a flight information service to non-IFR flights operating within the UCARAs. The radio call-sign is ‘Hong Kong Information’ and the frequency is 121.0 MHz.

8.2 It is emphasised that the service offered by Hong Kong Flight Information Service is an information service only and collision avoidance is entirely the responsibility of the pilot-in-command. Traffic information will normally be provided to an aircraft only when it reports entering a UCARA sector or makes a periodic ‘ops normal’ report. Aircraft already operating within a UCARA are expected to maintain their own traffic watch between ‘ops normal’ reports by monitoring the FIS frequency for the transmissions of other aircraft.

8.3 Outside of the hours of operation of Hong Kong Flight Information Service pilots should make ‘blind’ transmissions on the Hong Kong Information frequency 121.0 and maintain a particularly good look-out for any deterioration of weather conditions.

9. Helicopters flying in the UCARAs

9.1 Prohibition to Single Engine Aircraft
You are reminded that the Hong Kong AIP prohibits single engine aircraft from the South Pass, East Pass and the Shatin Pass.

9.2 Low Level Operation
Pilots are to note that, in a recent communication from the CAD, the term “Low Level Operation” was taken as not above 200 ft. AGL.


VFR Example

Pilot Guidelines – Visual Flight Rules (VFR)

VFR stands for Visual Flight Rules. The pilot must fly and navigate with visual reference to the surface. Due to this, there are certain weather criteria that must be met for a VFR flight to take place.

VFR flights are not permitted in Class A airspace, so there are no criteria.

There is no Class B, D and E airspace in Hong Kong, so we will not explain the criteria.

VFR Flight in Class C airspace:

  • 1,500 metres horizontally away from cloud
  • 1,000ft vertically away from cloud
  • In flight visibility of at least 5km

VFR Flight in Class G Airspace in Hong Kong requires two-way communication as traffic information will be provided when Hong Kong Information is on. Monitor 121.0 MHz when flying in UCARAs. Contact 123.6 for Sek Kong Traffic information. Blind Calls are required within SKARA airsapce.

The following is a transcript of a VFR flight, B-HPL, a Cessna 172 flying from Sek Kong for a leisure flight:

Scenario: PL, a Cessna 172R departs from Sek Kong, flight planned: –

VHSK, Kadoorie Out, (UCARA) New Town, Tolo, Port Shelter, (Control Zones) Waglan, Lei Yue Mun, Harbour, Green Island, Hong Kong South (North of Beaufort Island), Wagland, Port Shelter, Tolo, New Town, Kadoorie In, VHSK

Traffic condition around the airspace:
IG, a Cessna 172, has landed and is clearing the active ruwnay 11. RH, a Cessna 172 is in the circuit. Heli 57 is in Tolo, HF, Cessna 182 is in the circuit when PL returns to Sek Kong.




BHPL at X-Ray Dispersal: 
Sek Kong Traffic, B-HPL, engine start at X-ray Dispersal.

Pre-start checks, a good lookout and call ‘clear prop’ before engine start. After engine start complete the after start checks. Switch the transponder to Standby, set resting code 5277.

BHPL at X-Ray Dispersal:
Sek Kong Traffic, Cessna PL, request radio check on 123.6.

BHIG on Runway 11:
Cessna IG reading you 5, how do you read me?

BHPL at X-Ray Dispersal:
Cessna PL reading you 5 also.

BHPL at X-Ray Dispersal:
Cessna PL, taxying within X-Ray Dispersal.

BHIG in X-Ray Dispersal:
Cessna IG is clear of the runway 11, taxying within X-Ray Dispersal.

BHPL at X-Ray Dispersal:
Cessna PL, holding position to allow IG to pass.

BHIG in X-Ray Dispersal:
Cessna IG is taxying in front of PL.

Holding ready for backtracking Runway 11, the approach to 11 and 29 is clear.

(X-Ray Disposal is on the right of Whisky Hanger)


BHRH in the circuit:
Cessna RH downwind, touch and go.

BHPL on Runway 11:
Cessna PL, backtracking runway 11.

BHRH in the circuit:
Cessna RH extending downwind to allow PL to backtrack.

BHPL at the Undershoot 11:
Cessna PL in the undershoot 11.

BHRH in the circuit:
Cessna RH, base 11.

Cessna RH, finals 11.

Pre-flight checks complete and ready to depart after RH

BHPL on Runway 11:
Cessna PL, ready for departure runway 11.

Cessna PL, lining up and rolling runway 11.

After 55 knots, the pilot gently pulls back the yoke and the plane leaves the ground.


BHPL climbing on upwind leg:
Cessna PL climbing to 1500 feet for Kadoorie Out.

BHRH in the circuit:
Cessna RH, downwind 11 for full stop landing.

BHPL overhead Runway 11
Cessna PL climbing to 1500 feet for Kadoorie Out.

Cessna PL is now passing through Kadoorie Gap and changing frequency to Hong Kong Information (121.0)

BHPL at Kadoorie Gap:
Hong Kong Information, Cessna PL Kadoorie Out for New Town, 1500 feet.

Hong Kong Information:
PL, No Traffic Operating in New Town, 1500 feet, Squawk 5272, QNH 1010, Say POB (Persons on board)?

BHPL at Kadoorie Gap:
Cessna PL, 2 POB, Squawk 5272, QNH 1010.

Set the code 5273 and turn the transponder to mode ‘C’ (ALT) and also turn the transponder on IVAP to mode C.

Check the transponder is interrogating.

BHPL in New Town:
Information, Cessna PL climbing to 2000 feet.

Information, Cessna PL levelling at 2000 feet.

Hong Kong Information:

PL Entering Tolo (UCARA)

BHPL in Tolo:
Information, Cessna PL Tolo 2000 feet.

Hong Kong Information:
PL, QNH 1009, One Helicopter in Tolo.

BHPL in Tolo:
Copied Helicopter Traffic, Cessna PL, QNH 1009.

Look out for the Helicopter

BHPL in Port Shelter:
Information, Cessna PL Port Shelter 2000 feet for Waglan Zone.

Hong Kong Information:
PL, No Traffic in Port Shelter. Contract Zone Control on 120.6 for onward clearance.

BHPL in Port Shelter:
Roger 120.6 for Zone Control. Thanks for your service.

Tune the COM1 to 120.6. Do not enter any Control Zone unless approval has been given.

BHPL in Port Shelter:
Zone, this is Cessna PL in Port Shelter squawking 5273.

Hong Kong Zone:
PL you are cleared into Waglan Zone, not above 2000 feet.

BHPL in Port Shelter:
Cleared into Waglan, not above 2000 feet.

BHPL in Waglan:
Waglan 2000 feet approaching Lei Yue Mun Gap, Cessna PL.

Hong Kong Zone:
PL you are cleared to Green Island.

BHPL in Waglan:
Cleared to Green Island, Cessna PL.

PL passes through Lei Yue Mun Gap in VFR conditions and continues to Green Island.

BHPL abeam Green Island:
Green Island, Cessna PL.

Hong Kong Zone:
PL, Report Hong Kong South.

BHPL abeam Green Island:
Report Hong Kong South., Cessna PL.

BHPL abeam Hong Kong South:
Hong Kong South., Cessna PL.

Hong Kong Zone:
PL, Report leavingWaglan.

PL is approaching the South of VHP8  at 2000 feet on the QNH 1009, squawking 5273.

BHPL about to leave Waglan
leaving Waglan, Cessna PL.

Hong Kong Zone:
PL, Contact Information on 121.0

BHPL about the leave Waglan
Contact Information on 121.0, Cessna PL. Thank you very much for your service.

PL is now at Beaufort Island. Change COM1 to 121.0.

BHPL in Port Shelter:
Information, this is Cessna PL Port Shelter 2000 feet.

Hong Kong Information:
PL, Roger. No Traffic in Port Shelter. QNH 1008.

BHPL in Port Shelter:
QNH 1008, Cessna PL.

PL has set the new QNH 1008 and is now entering Tolo at 2000 feet.

BHPL in Tolo:
Information, Cessna PL Tolo 2000 feet.

Hong Kong Information:
PL, Roger. No Traffic in Tolo. Are you returning to Sek Kong?

BHPL in Tolo:
Affirmative, Cessna PL.

Hong Kong Information:
PL, Roger. Contact me at New Town.

BHPL in Tolo:
Wilco, Cessna PL.

PL is entering New Town at 2000 feet on QNH 1008

BHPL in New Town:
Information, Cessna PL New Town.

Hong Kong Information:
PL, Report at Kadoorie.

PL is now leaving Taipo at Lam Kam Interchange.

BHPL at Kadoorie
Information, Cessna PL at Kadoorie, request cancel SAR watch and frequency change.

Hong Kong Information:
PL, flight plan cancelled at time 1630. Change frequency to 123.6.

BHPL at Kadoorie
Change to 123.6. Thank you very much for your help.

PL is levelling at 2000 feet. The frequency has been changed to 12.6 and now in SKARA (Sek Kong Aerodrome Reporting Area) and MUST listen out and MUST look out for traffic ‘in the bowl’. Joining procedures are as



Sek Kong Traffic, Cessna PL Kadorrie Gap Inbound at 2000 feet. Any traffic in the bowl

(Both in 800 feet circuit and on 2000 feet)?

BHHF in the circuit:
Cessna HF crosswind for Runway 11. No other traffic in the bowl.

Look for HF, a Cessna 182 in the bowl.

Cessna PL overhead downwind 11 with HF in sight.

BHHF in the circuit:
Cessna HF downwind 11 for touch and go.

Cessna PL identified all traffic, descending to 800 feet for downwind 11 behind HF.

BHHF in the circuit:
Cessna HF base leg 11.

Cessna HF final 11.

BHPL in the circuit:
Cessna PL downwind 11, full stop.

Check wind sock for wind direction

BHPL in the circuit:
Cessna PL final 11.

PL completes the landing and everyone is pleased:)

BHHF in the circuit:
Cessna HF downwind 11, full stop

BHPL vacated the Runway:
Cessna PL clear of Runway 11.

Cessna PL taxying within X-Ray Dispersal for Fuel

Taxying to the fuel lorry. Avoid taxying directly towards the lorry in case of brake failure.

BHHF in the circuit:
Cessna HF Base leg 11.

Cessna HF Final 11. (Found a dog on the runway, go around)

Cessna HF, a dog on the runway, going around.

BHPL in X-Ray Dispersal
Cessna PL closing down. (Complete the close down with a checklist)

The Flight is finished. Get to Aero Bar for a pint:)