AAIB Report Cites Pilot Error in Kozhikode 737-800 Overrun

The final report from India's Aircraft Accident Investigation Bureau (AAIB) on the fatal crash of Air India Express Flight 1344 has attributed the probable cause to pilot error, citing the flight crew's failure to adhere to established protocols during a landing in adverse weather. The accident, involving a Boeing 737-800 at Kozhikode's challenging tabletop runway on August 7, 2020, resulted in 21 fatalities and has intensified scrutiny on both airline safety culture and airport infrastructure in India.

The investigation's findings underscore the critical importance of stabilized approaches, particularly in demanding conditions. According to the AAIB report, the primary cause was the "non adherence to SOP by the PF (Pilot Flying), wherein, he continued an unstabilised approach and landed beyond the touchdown zone... in spite of Go Around call by PM (Pilot Monitoring)." This conclusion points to a breakdown in Crew Resource Management and highlights a steep cockpit authority gradient that may have prevented the First Officer's call for a go-around from being acted upon. The report also emphasized that "the role of systemic failures as a contributory factor cannot be overlooked," implicating a deficient safety culture at the airline.

Accident Details and Investigation Findings

Operating as a Vande Bharat Mission flight, the aircraft, registered VT-AXH, was repatriating Indian citizens from Dubai. It attempted to land at Kozhikode International Airport (CCJ) during heavy monsoon rains. The investigation revealed that the aircraft touched down at approximately 4,438 feet on the 8,858-foot-long Runway 10, well beyond the designated touchdown zone. The landing was executed with a significant tailwind component of 15 knots, further increasing the required stopping distance on the wet runway.

Unable to stop on the remaining tarmac, the 13.7-year-old aircraft overran the end of the runway, broke through the perimeter wall, and plunged approximately 110 feet into a gorge, splitting the fuselage into multiple sections. Of the 190 people on board (184 passengers and 6 crew), 21 lost their lives, including both pilots.

Regulatory and Airline Impact

The AAIB's findings placed significant pressure on multiple stakeholders. Air India Express faced severe regulatory scrutiny from the Directorate General of Civil Aviation (DGCA) over its safety culture, training programs, and the systemic failures cited in the report. The event also cast a spotlight on the Airports Authority of India (AAI), which came under intense pressure to fund and install Engineered Materials Arrestor Systems (EMAS) at tabletop runways across the country. The DGCA itself was criticized for what some observers described as lax oversight and a failure to fully enforce safety recommendations issued after a similar crash a decade earlier.

A History of Tabletop Runway Dangers

The Kozhikode tragedy is hauntingly similar to a previous accident. In May 2010, Air India Express Flight 812, also a Boeing 737-800, overran a tabletop runway in Mangalore, India, resulting in 158 fatalities. That investigation also pointed to pilot error during an unstabilized approach. The incident led to a series of recommendations for improving safety at such airports, including the implementation of EMAS, but many were not fully implemented due to cost and logistical challenges. The 2020 crash underscores the tragic consequences of these unaddressed risks. The Kozhikode incident was also preceded just months earlier by the Pegasus Airlines Flight 2193 crash in Istanbul, where another Boeing 737-800 overran a wet runway and fell down an embankment.

Kozhikode Runway Safety Deficiencies

Tabletop runways, which are located on a plateau or hilltop with one or both ends adjacent to a steep drop, present unique operational challenges. The lack of overrun space makes stabilized approaches and precise touchdowns critical. A comparison highlights the safety margin deficiencies at Kozhikode at the time of the accident.

Technical Analysis

The Air India Express Flight 1344 accident serves as a critical case study demonstrating that pilot error rarely occurs in a vacuum. It is often the final link in a chain of systemic and latent safety deficiencies. The repeated pattern of unstabilized approaches leading to overruns at Indian tabletop runways—first in Mangalore in 2010 and then Kozhikode in 2020—points to a persistent gap between regulatory recommendations and operational reality. The resistance to installing costly infrastructure like EMAS, as noted by analysts, in favor of administrative solutions like re-designating runway lengths, highlights a structural tension between safety investment and budget constraints. This accident indicates that without mandated, engineering-based safety solutions and a robust enforcement of airline SOP, these high-risk environments will remain vulnerable to human factors.

What Comes Next

In response to the crash, the AAIB issued 43 safety recommendations aimed at Air India Express, the DGCA, and the AAI. The DGCA has since mandated comprehensive reviews of operational procedures, crew training, and infrastructure at all tabletop airports in India. A renewed and more urgent push is underway for the installation of EMAS or other equivalent arrestor systems at Kozhikode, Mangalore, and other similar runways. These measures are subject to regulatory approval and funding allocation, but the political and public pressure following the Flight 1344 accident has created new momentum for their implementation.

Why This Matters

The Kozhikode crash report is a stark reminder of the unforgiving nature of aviation operations in challenging environments. It highlights how a breakdown in crew discipline, coupled with pre-existing infrastructure and organizational weaknesses, can lead to catastrophic failure. For the global aviation industry, it reinforces the critical need for regulators to not only issue recommendations after a tragedy but to rigorously enforce their implementation to prevent history from repeating itself.

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