Ryanair B738 near Hahn on Apr 25th 2013, near collision with glider aircraft
Last Update: July 11, 2013 / 15:16:16 GMT/Zulu time
Incident Facts
Date of incident
Apr 25, 2013
Classification
Report
Cause
Near collision
Airline
Ryanair
Flight number
FR-4823
Departure
Alghero, Italy
Destination
Frankfurt Hahn, Germany
Aircraft Registration
EI-DCI
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
Germany's BFU reported in their monthly bulletin, that according to military radar data the horizontal separation reduced to 0.1nm (600 feet), the glider did not provide a transponder signal, the altitude was not known. According to the Boeing first officer's estimations the glider aircraft was about 100 feet below the Boeing at an estimated altitude of 6400 feet.
The air traffic controller had no target on his radar screen.
The BFU reported that both aircraft were operating in class E airspace permitting both IFR and VFR traffic, where air traffic control would provide separation between IFR aircraft and would provide advisories, but no separation, to VFR traffic. All powered aircraft must carry a working transponder above 5000 feet.
Due to the lack of transponder neither ATC were aware of the glider aircraft nor did the TCAS on board of the Boeing 737 generate (traffic or resolution) advisories.
Aircraft Registration Data
Incident Facts
Date of incident
Apr 25, 2013
Classification
Report
Cause
Near collision
Airline
Ryanair
Flight number
FR-4823
Departure
Alghero, Italy
Destination
Frankfurt Hahn, Germany
Aircraft Registration
EI-DCI
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
This article is published under license from Avherald.com. © of text by Avherald.com.
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