Air Hong Kong

If you spot in Hong Kong, you see Cathay Pacific everywhere. The small cargo sister, by contrast, only stands out when it gets dark: Air Hong Kong flies DHL’s Asian express network with Airbus A330 freighters and is therefore on the move mainly in the evening and at night. This page shows you who is behind the airline, how the fleet has developed and how to recognize its aircraft – in Asia and, with luck, in Leipzig too.

Air Hong Kong at a glance

Air Hong Kong is an all-cargo airline based at Hong Kong International Airport on Chek Lap Kok. It was founded in 1986 as Hong Kong’s first all-cargo airline. It began operations in 1988 with charter flights, at that time with a Boeing 707-320C, a convertible cargo/passenger version of the classic. Scheduled cargo flights were added from 1989.

Today Air Hong Kong is a 100 percent subsidiary of Cathay Pacific and thus part of the Cathay Group. In everyday operations, however, it works mainly for one customer: DHL Express. For the logistics group, Air Hong Kong flies the regional overnight network in Asia, in which express shipments shuttle overnight between Hong Kong and the region’s major economic centers.

In 2026 the airline celebrates its 40th anniversary. In that time it has changed its face several times – from the Boeing 707 through jumbo freighters to today’s all-A330 fleet.

Codes and callsign

• IATA code LD: appears in cargo documents and schedules.
• ICAO code AHK: appears in the air traffic control flight plan and on flight trackers.
• Callsign AIR HONG KONG: how the crew identifies itself on the radio.

For you as a spotter, AHK is the most important code. Cargo flights do not show up on departure boards, and you rarely see the flight number either. On the tracker, by contrast, you can simply filter by the ICAO code and so find the few AHK flights among the many Cathay movements.

Cathay and DHL: who owns the airline

The ownership history explains why Air Hong Kong is often called the “airline of Cathay and DHL.”

Year	Event
1986	Founded as Hong Kong’s first all-cargo airline
1988	Operations begin with a Boeing 707-320C
1994	Cathay Pacific takes over the majority (75 percent)
2002	Cathay takes over all shares; agreement with DHL on an Asian express network
2003	DHL becomes a co-owner with 40 percent
2017	Cathay agrees to buy back DHL’s shares
2019	Long-term block space agreement with DHL Express
2018	First A330 freighter joins the fleet on wet lease
2020	A330 freighters begin to replace the A300-600Fs
2020s	First commercial flights to the DHL hub Leipzig/Halle
2025	Last A300-600F retired, all-A330 fleet

After the buyback, Air Hong Kong belongs entirely to Cathay again. DHL remained the central customer, though. The block space agreement means, put simply: DHL buys fixed cargo capacity on the airline’s flights and uses it for its own express network. If you want to understand how such networks work, the article on the express integrators DHL, FedEx and UPS offers a good overview.

Within DHL Aviation, Air Hong Kong is therefore a special case: other DHL partners such as European Air Transport Leipzig or DHL Air UK belong directly to the group. Air Hong Kong, by contrast, is a Cathay airline that flies for DHL.

The fleet: from the jumbo to the A330 freighter

Over 40 years, Air Hong Kong has gone through several fleet generations. According to the company history and information from the Cathay Group, it looked like this:

Type	Period	Spotter tip
Boeing 707-320C	from 1988	First aircraft, historic
Boeing 747-100 and -200 freighters	1990s to early 2000s	Jumbos for Asia and Europe, historic
Airbus A300-600F	2004 to 2025	Air Hong Kong was launch customer of the A300-600F “General Freighter”
Boeing 747-400BCF	around 2011 to 2018	Converted jumbos, historic
Airbus A330-200F	since 2018 (initially on wet lease)	Factory-built freighter, four in mid-2025
Airbus A330-300P2F	since the 2020s	Converted passenger jet, ten in mid-2025

The A300 era

From 2004, the Airbus A300-600F shaped the picture. Air Hong Kong was launch customer of the “General Freighter” variant with a large side cargo door and a loading system for containers and pallets. The last new deliveries came in 2006. For almost two decades, the A300s were the workhorse of the DHL network.

From 2020 they were gradually replaced, and in June 2025 the last AHK A300 completed its last scheduled flight. Photos of an AHK A300 are thus a piece of airline history.

The A330 present

Since mid-2025, Air Hong Kong has flown exclusively Airbus A330 freighters in two variants:

• The A330-200F is a factory-built freighter with a shorter fuselage.
• The A330-300P2F is a passenger jet converted to a freighter. It is longer and offers more volume – ideal for express shipments that are bulky rather than heavy.

The basis for the conversion is the familiar A330-300, which you also know as a passenger aircraft from Cathay Pacific. The manufacturer of the entire current fleet is Airbus.

A330-200F or A330-300P2F? How to tell them apart

At first glance both variants look similar: two engines, no windows, a large cargo door forward on the left. A few details will reliably help you, though.

The fairing at the nose gear of the A330-200F has a practical reason: it compensates for the A330’s typical nose-down attitude so that the main deck sits level during loading. The converted -300 does not have this solution. If you want to know more about such features, the guide recognizing freighter aircraft will help. And if you still confuse the A330 with its four-engine relative, you will find the differences in the article A330 or A340?.

How to recognize Air Hong Kong

Online and in photos you encounter the airline under the titles “air Hongkong.” The most important feature remains the type, though: if a windowless A330 is moving around Hong Kong at night, chances are good it is an AHK aircraft. Cathay Cargo itself relies on jumbo freighters such as the Boeing 747-8F and the Boeing 747-400F – an A330 freighter immediately falls out of the pattern there.

The time of day is the second strong clue. Express networks work overnight: in the evening, shipments are collected, flown to Hong Kong during the night, sorted there and redistributed before morning. That is why you see Air Hong Kong mainly in the late evening and night hours. For night sightings, the guides recognizing aircraft at night and photographing aircraft at night help.

The network: Asia’s overnight express

According to the company history, Air Hong Kong operated around 63 flights a week for DHL in Asia in 2019, and in 2022 there were more than 70 scheduled weekly flights to 14 destinations. The network mainly includes major economic centers in East and Southeast Asia, such as:

• Japan: Tokyo Narita, Osaka and Nagoya
• South Korea and Taiwan: Seoul Incheon and Taipei Taoyuan
• Mainland China: including Beijing, Shanghai and Chengdu
• Southeast Asia: Singapore, Bangkok, Ho Chi Minh City, Manila, Cebu and Penang

The exact destination portfolio changes with DHL’s requirements. So check the current schedule on the tracker before a spotting day.

Besides this, Air Hong Kong repeatedly flies beyond the region. With charter flights to Bahrain, it returned to long-haul after about two decades, according to its own company history. The first commercial flights to the European DHL hub Leipzig/Halle were added to that, and in 2024 also a charter to Sydney with an A330-300P2F.

Spotting Air Hong Kong

In Hong Kong

Its home is Hong Kong Airport on Chek Lap Kok, one of the world’s largest cargo airports. DHL has one of its major hubs in Asia here, and most AHK flights take off and land here. Which vantage points around the airport are worthwhile is covered in the guide plane spotting in Hong Kong. If you are interested in the prehistory: Air Hong Kong once started at the old Kai Tak Airport; more in the article on Kai Tak in Hong Kong.

In Hong Kong, Air Hong Kong shares the space with Cathay Pacific, the low-cost offshoot HK Express and newer airlines such as Greater Bay Airlines. For cargo fans, the evening is the best time.

In Germany

In Europe, Air Hong Kong is rare. Your best chance is at Leipzig/Halle Airport, where DHL runs its European hub. An AHK A330 now occasionally comes by – among the many aircraft of European Air Transport Leipzig and other partners. A good starting point is the observation deck at Leipzig/Halle Airport; you will find more tips in the guide plane spotting in Leipzig/Halle.

Common mix-ups

• Equating Air Hong Kong with Hong Kong Airlines – these are two completely different companies; Air Hong Kong belongs to Cathay.
• Thinking Air Hong Kong is a DHL group airline – DHL is the most important customer, but the owner is Cathay Pacific.
• Assuming every A330 freighter in Hong Kong is AHK – other airlines fly A330Fs too; the ICAO code decides.
• Mixing up the A330-200F and A330-300P2F – look at the fuselage length and the fairing at the nose gear.
• Still expecting the A300 – the A300-600Fs have been replaced by A330 freighters.
• Thinking Air Hong Kong is a oneworld member – only Cathay Pacific is in the alliance, not the cargo subsidiary.

Conclusion

Air Hong Kong is one of the most inconspicuous airlines at Hong Kong airport – and that is exactly what makes it interesting. The Cathay subsidiary flies almost exclusively for DHL Express, is on the move mainly at night and switched its fleet from the A300 to the A330 freighter in just a few years. If you watch the ICAO code AHK on the tracker and can tell the two A330 variants apart, you add a special sighting to your logbook with this airline – regularly in Asia, only with luck in Leipzig.