ASN Aircraft accident Fokker 50 5Y-CET Nairobi-Jomo Kenyatta International Airport (NBO)
ASN logo
Status:Accident investigation report completed and information captured
Date:Wednesday 2 July 2014
Type:Silhouette image of generic F50 model; specific model in this crash may look slightly different
Fokker 50
Operator:Skyward International Aviation
Registration: 5Y-CET
MSN: 20262
First flight: 1992-08-26 (21 years 11 months)
Total airframe hrs:27243
Engines: 2 Pratt & Whitney Canada PW125B
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 2 / Occupants: 2
Total:Fatalities: 4 / Occupants: 4
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:ca 2 km NE of Nairobi-Jomo Kenyatta International Airport (NBO) (   Kenya)
Phase: Initial climb (ICL)
Departure airport:Nairobi-Jomo Kenyatta International Airport (NBO/HKJK), Kenya
Destination airport:Mogadishu International Airport (MGQ/HCMM), Somalia
A Fokker 50 cargo plane, registered 5Y-CET, was destroyed when it impacted a residential area at Utawala, Embakasi, shortly after takeoff. All four on board were killed.
The airplane departed runway 6 and climbed slowly attaining no more than about 50 feet above ground. The flight path continuously deviated left of the extended runway centerline at an airspeed of 100 knots, which was also the lift off airspeed. The airplane subsequently collided with the building, about 2.1 kilometers north-northeast of the runway departure end. The airplane impact attitude with the building was about a 120° left roll angle.
The cockpit voice recorder (CVR) data revealed aural warning alerts began about 8 seconds after the takeoff roll was initiated of which thereafter the flight crew also made reference to indications associated with visual warning alerts. However, despite the alerts the flight crew continued the takeoff. The flight data recorder data showed that no. 1 propeller rpm reduced from 100% to 50% where it stabilized at for the remainder of the flight. The decrease in propeller rpm corresponded with an increase of the no. 1 engine torque to about 110% along with the occurrence of the aural warning alerts. According to radar data, the liftoff occurred near the runway end. The no. 2 engine operated normally throughout the entire flight.
The day before the accident, the airplane was repositioned from Nairobi-Wilson Airport to Jomo Kenyatta International Airport. The flight was commanded by the accident captain. During that flight, the CVR data disclosed warning alerts similar to those of the accident flight accompanied by the flight crew discussion on the interpretation and significance of the alerts. The investigation did not reveal any actions undertaken before the accident to address any irregularities that may have been associated with the warning alerts during the repositioning flight.
Calculations of the aircraft weight and balance that included the post-accident measured weights of the cargo determined that at takeoff the airplane weight was about 500kg over the maximum certified gross weight.

Probable Cause:

Probable Cause:
The probable cause of the accident was the decision by the crew to conduct the flight with a known mechanical problem and their failure to abort or reject the takeoff after receiving twenty seven cautions.

Accident investigation:

Investigating agency: AAID Kenya
Status: Investigation completed
Duration: 5 years and 5 months
Accident number: Final report
Download report: Final report

» Capital FM
» Kenya Ministry of Transport and Infrastructure

METAR Weather report:
00:00 UTC / 03:00 local time:
HKJK 020000Z 35005KT 9999 BKN018 15/13 Q1024

01:00 UTC / 04:00 local time:
HKJK 020100Z 31003KT 9999 BKN018 15/13 Q1024
Wind: 310 degrees at 3 knots; Visibility: 10 or more miles; broken clouds at 1800 feet AGL; Temperature: 15°C, Dewpoint: 13°C; Pressure 1024 mb

02:00 UTC / 05:00 local time:
HKJK 020200Z 22005KT 9999 BKN018 15/13 Q1025


photo of Fokker-50-PH-KXX
accident date: 02-07-2014
type: Fokker 50
registration: PH-KXX

Video, social media

This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Nairobi-Jomo Kenyatta International Airport to Mogadishu International Airport as the crow flies is 998 km (624 miles).
Accident location: Exact; as reported in the official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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