ASN Wikibase Occurrence # 224039
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| Date: | Wednesday 3 April 2019 |
| Time: | |
| Type: |  Yakovlev Yak-52 |
| Owner/operator: | Private |
| Registration: | PH-DTX |
| MSN: | 877803 |
| Year of manufacture: | 1987 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Unknown |
| Category: | Accident |
| Location: | Oostwold Airfield, Groningen prv -
 Netherlands
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Oostwold Airfield (EHOW) |
| Oostwold Airfield (EHOW) | |
| Investigating agency: | Dutch Safety Board |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
A formation of four Yak-52s took off from Oostwold Airport for a training flight in the airspace close to the airfield. The
formation was headed by PH-DTX, with the pilot and a passenger on board.
Following the flight, the formation returned to Oostwold Airport to land. PH-DTX was at the front of the formation.
The pilot placed the aircraft in landing configuration. The aircraft subsequently landed 200 metres past the threshold of the 800 metre-long grass runway 25. During the ground roll and while operating the brakes, the pilot observed that the reduction in the aircraft speed was slower than expected. He applied the brakes more powerfully, with a pumping action, but this too failed to achieve the intended result. As the pilot approached the end of the runway, he realised that insufficient runway was left to bring the aircraft to a standstill. The aircraft then crossed a ditch, coming to a standstill against the opposite bank. The pilot and passenger were able to leave the aircraft unharmed.
The aircraft suffered severe damage.
During the landing phase, the pilot always allowed the pilot of the second aircraft extra space by landing further down the runway. During the ground roll, the pilot of PH-DTX did briefly consider making a go-around.
However, in his mind, it was too late by that stage to safely make a go-around.
The pilot had a valid pilot’s licence including the classification aerobatic, and a valid medical certificate. He had extensive flight experience, including 450 hours on the type involved. The day before the incident, the pilot had completed two flights with the aircraft in question from Oostwold Airport.
The investigation indicated that the following factors contributed to the runway excursion: a forward projected landing point which resulted in a shorter distance to bring the aircraft to a standstill; a landing runway with short and wet grass, which made the aircraft brakes less effective; and a tailwind component during landing as a result of which a ground speed was reached that increased the landing distance.
Sources:
https://www.onderzoeksraad.nl/en/page/14025/runway-excursion-yak-52-oostwold-airport-3-april-2019
https://www.onderzoeksraad.nl/en/page/16007/kwartaalrapportage-luchtvaart-3e-kwartaal-2019
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Apr-2019 07:38 | harro | Added |
| 26-Apr-2019 21:34 | RobertMB | Updated [Location, Departure airport, Destination airport] |
| 16-Dec-2019 19:58 | harro | Updated [Departure airport, Destination airport, Source, Narrative] |
| 12-Jun-2022 10:56 | Ron Averes | Updated [Location] |
| 14-Jun-2022 11:05 | Ron Averes | Updated [Location] |
| 29-Sep-2023 07:28 | Ron Averes | Updated [[Location]] |
Corrections or additions? ... Edit this accident description
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