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ASN Wikibase Occurrence # 166909
Last updated: 24 July 2019
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Date:19-DEC-2011
Time:11:49
Type:Silhouette image of generic AT72 model; specific model in this crash may look slightly different
ATR 72-201
Owner/operator:Aer Arann
Registration: EI-REH
C/n / msn: 260
Fatalities:Fatalities: 0 / Occupants: 17
Other fatalities:0
Aircraft damage: None
Category:Serious incident
Location:nr Kerry County Airport (KIR/EIKY) -   Ireland
Phase: Approach
Nature:Domestic Scheduled Passenger
Departure airport:Dublin Airport (DUB/EIDW)
Destination airport:Kerry County Airport (KIR/EIKY)
Investigating agency: AAIU
Narrative:
While the aircraft was conducting an ILS approach to runway 26 at EIKY with the autopilot engaged, difficulty was experienced in following the glideslope and the aircraft descended below the glide path. As the aircraft passed over a ridge on the approach the Enhanced Ground Proximity Warning System (EGPWS) activated and a go-around was initiated. Following this, a non-precision approach was flown which resulted in a successful landing. During that approach similar problems with the glideslope were experienced.

Probable Cause:
The absence of a Glideslope Antenna Deflector resulted in unstable glideslope signal reception which led to the autopilot descending the aircraft below the glide path in IMC.

Contributory Cause(s):
1. Ineffective monitoring and lack of situational awareness by the Flight Crew.
2. Inability of the EIKY ATC to monitor the aircraft due to lack of a radar display.

Sources:

http://asndata.aviation-safety.net/reports/Ireland/20111219_AT72_EI-REH.pdf

Accident investigation:
cover
  
Investigating agency: AAIU
Status: Investigation completed
Duration:
Download report: Final report


Images:

Photo of EI-REH courtesy AirHistory.net


Edinburgh (EGPH / EDI)
16 November 2015; (c) Lewis Grant

Revision history:

Date/timeContributorUpdates
12-Jun-2014 20:07 harro Added

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