Created Friday, Mar 3rd 2023 15:12Z, last updated Wednesday, Apr 16th 2025 18:43Z
A Ryanair Boeing 737-800, registration EI-DLV performing flight
FR-2640 from London Stansted,EN (UK) to Dortmund (Germany) with 169 passengers and 6 crew, landed on Dortmund's snow contaminated runway 06 at 15:29L (14:29Z) but overran the end of the runway and came to a stop on the clearway about 45 meters past the runway end. The aircraft subsequently was able to taxi to the apron on its own power.
Germany's BFU reported low visibility procedures (CATII) were in use, the runway was 100% wet and 100% covered with 2mm of wet snow, the RVR at touchdown was 1900 meters, middle 1900 meters and roll out 1700 meters. The aircraft performed a stabilized approach, touched down within the touch down zone, ground spoilers deployed, thrust reversers were activated and wheel brakes were applied. The aircraft overran the end of the runway and came to a stop on the clearway about 45 meters past the runway end. The landing distance available, due to both runway thresholds being displaced, was 1700 meters.
On Apr 16th 2025 the BFU released their final report concluding the probable causes of the serious incident were:
The Boeing B737-8AS flight crew performed an instrument approach procedure to runway 06 of Dortmund Airport. The aircraft touched down in the centre of the touch down zone of runway 06, which was contaminated with snow. It came to a stop on the paved clearway beyond the end of runway 06.
The investigation of the occurrence revealed the following significant items:
- The landing occurred with a stabilised Autoland CAT II ILS approach.
- The Landing Distance Required (LDR) was calculated with the latest weather information available to the flight crew and the Runway Condition Code (RWYCC) and was within the Landing Distance Available (LDA).
- The two previous Runway Condition Reports (1205 UTC and 8 min prior landing) were identical, with no change to the RWYCC confirming that the runway was not reported as contaminated.
- Between the assessment of the runway condition and the landing, continuous precipitation occurred which resulted in a runway covered with wet snow. Subsequently, braking action of the main landing gear wheels was reduced.
- The Runway Condition Code indicating 5/5/5, measured 8 min before landing, the flight crew received from the radar approach controller, may not have corresponded with the actual runway condition.
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