ASN Wikibase Occurrence # 187994
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| Date: | Thursday 9 June 2016 |
| Time: | 16:15 |
| Type: |  Northrop F-5E Tiger II |
| Owner/operator: | Patrouille de Suisse |
| Registration: | J-3088 |
| MSN: | L.1088 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Leeuwarden AFB, Friesland -
 Netherlands
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Demo/Airshow/Display |
| Departure airport: | Leeuwarden Air Base (EHLW) |
| Leeuwarden Air Base (EHLW) | |
| Investigating agency: | Dutch Safety Board |
| Confidence Rating: |  Accident investigation report completed and information captured |
Two Northrop F-5E Tiger II jets of the Swiss Air Force display team 'Patrouille de Suisse' were involved in a mid-air collision near Leeuwarden Air Base, the Netherlands.
All six Patrouille Swiss aircraft arrived in the morning of 9 June 2016. After the crew finished pre-flight briefings and preparing the aircraft, the six aircraft took off the same day around 16.00 hours for a rehearsal flight.
Due to a misjudgement of speed and distance by pilot number 3 (J-3086) while re-joining the formation, aircraft number 3 under flew number 2 (J-3088) and overtook the aircraft.
Number 3 then reduced power and banked to the right to recover from this overshoot while numbers 1 and 2 banked to the left to make a left turn as planned.
While the pilot of aircraft number 3 lost sight of number 2 aircraft, aircraft number 3 collided with number 2 because both aircraft had a bank opposite to each other.
Because number 2 aircraft flew faster than number 3 aircraft, there was a relative movement between both aircraft. Parts of the number 3 aircraft’s left wing hit the number 2 aircraft’s right wing underside and right-hand horizontal stabiliser from the front to the back.
Because of the damage sustained during the collision, number 3 aircraft became uncontrollable and crashed near a pond. The pilot ejected and became slightly injured. Although damaged, number 2 aircraft could return to the air base and landed uneventfully.
Conclusions:
The accident happened because the pilot of aircraft number 3 lost sight of aircraft number 2 while manoeuvring in close distance of number 2 during a formation re-join.
As a result, aircraft number 3 collided with number 2 while both aircraft had an opposite bank to each other.
Although pilots stated that procedures are in place when losing sight of the formation members, no procedures were found.
Contributing factors:
Flying both operational and display flights with multiple aircraft types, limited training flights and lack of adequate procedures in the case a pilot loses sight on other aircraft, might have played a role in the origin of the accident.
Accident investigation:
 |
|
Sources:
https://twitter.com/LuchtvaartN_NL/media
http://forum.scramble.nl/viewtopic.php?f=66&t=124006
http://forum.scramble.nl/viewtopic.php?f=48&t=124096
Final report_____________________________
https://www.onderzoeksraad.nl/nl/page/4399/mid-air-collision-during-air-display-training
https://www.onderzoeksraad.nl/nl/media/attachment/2018/10/31/rapportage_mid_air_collision_samenvatting_nl.pdf
Images:
Media:
Zojuist gepubliceerd: rapport Botsing in de lucht tijdens training voor luchtvaartvertoning.https://t.co/S9hZnVtYhd pic.twitter.com/FTS2RqeFJp
— Onderzoeksraad (@Onderzoeksraad) 31 octobre 2018
De straaljager is op het eerste gezicht niet ver van een huis terechtgekomen https://t.co/DT4L9G07MM pic.twitter.com/aiW6v3IAfq
— Leeuwarder Courant (@lc_nl) June 9, 2016
Zojuist heeft er een crash plaatsgevonden van van een F-5 van Patrouille Suisse, meer informatie volgt pic.twitter.com/5JC3uCIhjS
— LvnNL (@LuchtvaartN_NL) June 9, 2016
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Jun-2016 13:49 | A.J. Scholten | Updated [Cn] |
| 31-Oct-2018 13:25 | Iceman 29 | Updated [Departure airport, Destination airport, Source, Embed code, Narrative, Photo] |
| 31-Oct-2018 13:26 | Iceman 29 | Updated [Phase, Embed code] |
| 31-Oct-2018 17:05 | harro | Updated [Narrative] |
| 13-Jun-2022 22:15 | Ron Averes | Updated [Location] |
Corrections or additions? ... Edit this accident description
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