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Accident description
Last updated: 9 November 2016
Status:Final
Date:Tuesday 6 October 1981
Time:17:12
Type:Silhouette image of generic F28 model; specific model in this crash may look slightly different
Fokker F-28 Fellowship 4000
Operator:NLM Cityhopper
Registration: PH-CHI
C/n / msn: 11141
First flight: 1979-01-12 (2 years 9 months)
Total airframe hrs:4485
Cycles:5997
Engines: 2 Rolls-Royce Spey 555-15P
Crew:Fatalities: 4 / Occupants: 4
Passengers:Fatalities: 13 / Occupants: 13
Total:Fatalities: 17 / Occupants: 17
Airplane damage: Destroyed
Airplane fate: Written off (damaged beyond repair)
Location:2 km (1.3 mls) SSW of Moerdijk (   Netherlands)
Phase: En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Rotterdam Airport (RTM/EHRD), Netherlands
Destination airport:Eindhoven Airport (EIN/EHEH), Netherlands
Flightnumber:HN431
Narrative:
An NLM Cityhopper Fokker F-28 Fellowship was destroyed when it crashed in an industrial area near Moerdijk, Netherlands. All 17 on board were killed.
The aircraft, named "Eindhoven", operated flight HN431 from Rotterdam Airport, Netherlands to Eindhoven, Netherlands and Hamburg, Germany. During the weather briefing at Rotterdam Airport, 44 minutes before takeoff, the crew was told about the presence of an area with thunderstorms to the south and east of Rotterdam.
At 17:04 hours local time the F-28 took off from Rotterdam Airport. About five minutes after takeoff the crew noted heavy rainfall in thunderstorms on the weather avoidance radar and received clearance to avoid this area. Course was changed to the south in order to pass between two major thunderstorm cores.
At 17:12 the aircraft entered a tornado, which resulted in loads on the airframe increasing to +6.8 G and -3,2 G. The right wing was bent upwards followed by a severe downward sweep. This compromised the structural integrity of the wing, causing a large portion of the outer wing to separate in an upward and rearward motion. Control was lost and the aircraft impacted a railway bridge inverted.


The investigation report did not contain a probable cause statement per ICAO Annex 13.

Classification:
Turbulence
Wing failure
Loss of control

Sources:

Official accident investigation report
cover
investigating agency: Raad voor de Luchtvaart - Netherlands
report status: Final
report number: 1983-1
report released:5 January 1983
duration of investigation: 1 year and 3 months
download report: 1983-1

Photos

photo of Fokker F-28 Fellowship 4000 PH-CHI
photo of Fokker F-28 Fellowship 4000 PH-CHI
photo of Fokker F-28 Fellowship 4000 PH-CHI
photo of Fokker F-28 Fellowship 4000 PH-CHI
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Berging na vliegramp Moerdijk. Uitgegraven motor van de Fokker

Map
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 Rotterdam Airport to Eindhoven Airport as the crow flies is 85 km (53 miles).

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Fokker F-28

  • 15th loss
  • 241 built
  • 8th worst accident (at the time)
  • 17th worst accident (currently)
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 Netherlands
  • 4th worst accident (at the time)
  • 7th worst accident (currently)
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