AAIU Reports

The following is a listing of Investigation Reports published by the Air Accident Investigation Unit concerning accidents and incidents that occurred within Ireland, including its airspace and territorial waters. This list will also include Investigations concerning Irish-registered and/or operated aircraft which were delegated to the AAIU by Foreign Accident Investigation Authorities in accordance with ICAO Annex 13. Reports may be sorted based on Occurrence Date or Publication Date using the Search Facility below.

Accident: Avid Mk.IV Flyer, EI-HAM, Leegane, Co.Wexford, 3 October 2010: Report No. 2011-018

November 10, 2011

SYNOPSIS

The aircraft was on a local flight with two occupants on board when the engine overheated. This caused a pressure cap installed on the cooling system expansion bottle to fail. The cockpit filled with coolant vapour, obscuring visibility and rendering control of the aircraft difficult.  The Pilot attempted to make a precautionary landing under power in a field.  The aircraft impacted heavily, which resulted in severe damage to the airframe.  Both occupants were seriously injured. There was no fire.  The AAIU makes one Safety Recommendation in relation to this accident.

 

Incident: Tecnam P2002JF, EI-LFC, Coonagh Airfield (EICN), Limerick, 29 September 2010: Report No 2011-017

November 3, 2011

SYNOPSIS

Following landing at EICN, the aircraft turning arc during ground manoeuvring was noted to be greater than usual.  Inspection revealed that the left-hand side rudder pedal assembly had failed adjacent to a welded joint.

 

 

 

Accident: Robinson R22 Beta II, EI-EAS, Hazelwood, Sligo, 27 Jun 2011:Report No 2011-015

September 28, 2011

  

Synopsis


While conducting an air taxiing-hover manoeuvre, the helicopter suddenly descended, the right landing skid made contact with the ground and subsequently rolled over onto its right side. The helicopter was extensively damaged. The Pilot suffered a minor wrist injury. There was no fire.

Accident:(Preliminary Report) ATR 72-212, EI-SLM, Shannon Airport, 17 July 2011: Report No 2011-014

August 23, 2011

Accident: Pilatus Aircraft Ltd, PC-9(M), 265, Crumlin East, Cornamona, Connemara, Co. Galway,12 October 2009: Report No 2011-016

August 11, 2011
The Air Accident Investigation Unit (AAIU) wishes to advise that the Final Report into the Irish Air Corps Pilatus PC-9(M) accident at Crumlin East, Cornamona, Connemara, Co. Galway on 12 Oct 2009, was scheduled for publication on the 8 November 2011.
 
Prior to publication, pursuant to Regulation 19 of S.I. No. 205/1997 — Air Navigation (Notification and Investigation of Accidents and Incidents), an interested party served a Notice of Re-Examination on the Minister for Transportregarding this Report.  In light of this, the AAIU postponed publication of the Report pending a decision by the Minister.
 
The Minister, having considered the matter at length, concluded that the grounds set out in the Notice to challenge the findings and conclusions reached in the Final Report were not sufficient to undermine the validity of the conclusions reached.  Accordingly, the Minister requested the AAIU to publish the Final Report on the 24 January 2012.
 

 

The Final Report, as scheduled for publication on the 8 November 2011, remains unchanged.
 
SYNOPSIS
 
The military training flight departed its base at Casement Aerodrome, Baldonnel, Co. Dublin (EIME), on a Visual Flight Rules (VFR) cross-country, navigation-training exercise with Galway Airport (EICM) as the intended destination.  Its crew consisted of an Instructor and a Cadet in training who was the handling pilot.  The aircraft flew initially northwest and later southwest towards Maum, Co. Galway.  As it approached high ground on the western shores of Lough Mask, the weather ahead was deteriorating.
 
The aircraft, keeping in visual contact with the ground, crossed a ridge into a narrow and steep-sided valley.  It then commenced a rapid series of steep turns and turned onto a northerly heading while pitching up and climbing into cloud.  The aircraft then entered a progressively increasing pitch down attitude while rolling to the right.  It impacted the northern slopes of the valley in a steep nose down, wings level attitude at high speed.  Both crew members were fatally injured and the aircraft was destroyed.
 
The Investigation determined that the probable cause of the accident was Controlled Flight Into Terrain (CFIT) attributable to Spatial Disorientation due to a Somatogravic Illusion following the loss of Situational Awareness.

 

ACCIDENT:Laverda SpA F.8L Falco IV, EI-BMF,Powerscourt, Co. Wicklow,10 April 2010: Report No 2011-013

July 19, 2011


  

The aircraft returned to a private airfield at Powerscourt after a local flight lasting approximately 30 minutes.  During the final stages of the approach, the Pilot initiated a go-around on a runway with a steep up-slope.  During the go-around, the left wing of the aircraft struck a tree beyond the far end of this runway. Following a series of subsequent ground impacts the aircraft came to rest in an inverted position in a field adjacent to the airfield.  Post-impact, a fuel-fed fire immediately occurred.  The Passenger was fatally injured and the Pilot subsequently died of his injuries.


Incident: Tecnam P2002-JF, EI-WAT,Inis Mór Airfield, Aran Islands, Co Galway, Ireland (EIIM), 15 April 2010: Report No 2011-012

July 5, 2011

SYNOPSIS

The aircraft landed on Runway (RWY) 14 at EIIM and decelerated to taxi speed on the runway. The Pilot felt an initial slight downward tilting movement to his port side. He turned off the runway onto a taxiway, and almost immediately felt a further rapid drop of the port wing. The Pilot halted the aircraft, shut down the engine and he and his passenger exited the aircraft. Subsequently, it was found that a nut had come loose and separated from the port landing gear inner securing bolt, allowing the port landing gear to partially collapse. The Investigation makes two Safety Recommendations.

 

Accident: I.C.P. – MXP 740 Savannah, EI-DKB, Ardfert Co. Kerry, 1 January 2010: Report No 2011-011

June 15, 2011



SYNOPSIS

The Pilot-in-Command (PIC) allowed another pilot to fly a circuit from the left hand seat.  During the landing, the handling Pilot, who was not qualified on that aircraft type, did not flare the aircraft correctly.  It stalled and struck the ground nose wheel first.   The aircraft was substantially damaged but there were no injuries. 



Accident: Tecnam P-2002 Sierra, EI-WAT, Waterford Airport, 18 June 2010: Report No 2011-010

June 9, 2011

Synopsis

Following a bounce, the aircraft departed the runway and sustained damage to the propeller and nose gear.  The Investigation found that the probable cause was the Pilot’s lack of recent flying experience.

Accident: Hoffman H-36 Dimona, EI-CRV, Waterford Airport, 15 October 2010: Report No 2011-009

June 8, 2011



SYNOPSIS


The aircraft was engaged on a circuit training detail at EIWF. After the second landing, the aircraft developed a swing to the right during the ground roll along the runway. The Commander called that he had control; however the handling Pilot did not release the flight controls. The aircraft continued its swing and departed from the runway surface, coming to rest in the grass approximately 17 metres (m) from the runway edge. The right hand undercarriage leg collapsed. There were no injuries.


 


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