What Is an APU and What Does It Do?
The Auxiliary Power Unit (APU) is an auxiliary engine system used in commercial aircraft. It serves critical functions such as starting the main engines, generating electricity while on the ground, and pressurizing the cabin.
Cause of the Intense Smoke
Experts note that while such smoke incidents are rare, they are not entirely unusual. The thick smoke from the APU is typically caused by excessive fuel or gas release. This situation is believed to have resulted from an APU malfunction.
Visuals from the Kabul international airport of Afghanistan: State owned Ariana Afghan Airline Boeing 737-500 plane was seen with thick smoke from the exhaust of the auxiliary power unit (APU) this morning.
BrowseRead more about the contributory factors to such APU conditions :… pic.twitter.com/R7aZzGaNvg
— FL360aero (@fl360aero) December 6, 2024
Was Flight Safety Affected?
Although such incidents may cause panic among passengers and crew, they generally do not pose a critical threat to flight safety. In these cases, the aircraft maintenance team is expected to perform thorough inspections and investigate the cause of the issue in detail.
The Significance of Ariana Afghan Airlines
Ariana Afghan Airlines is Afghanistan’s national flag carrier and the country’s largest and oldest airline. The company plays a vital role in connecting Afghanistan with the rest of the world through regional and international flights.
Investigation Initiated
Authorities announced that investigations into the incident have begun and confirmed that there was no danger posed by the aircraft. All necessary procedures will be followed to ensure the safety of passengers and the airport.
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