Ryanair B738 near Hahn on Apr 25th 2013, near collision with glider aircraft

Last Update: July 11, 2013 / 15:16:16 GMT/Zulu time

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Incident Facts

Date of incident
Apr 25, 2013

Classification
Report

Airline
Ryanair

Flight number
FR-4823

Aircraft Registration
EI-DCI

Aircraft Type
Boeing 737-800

ICAO Type Designator
B738

A Ryanair Boeing 737-800, registration EI-DCI performing flight FR-4823 from Alghero (Italy) to Frankfurt Hahn (Germany) with 108 passengers and 6 crew, was descending through 6500 feet on approach to Hahn Airport's runway 21 in clear skies (CAVOK conditions), when the first officer noticed a glider aircraft with orange stripes, German registration, with a total distance of about 200 feet (vertical separation 100 feet) remaining. The Boeing continued their approach to runway 21 and landed safely.

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
Registration mark
EI-DCI
Country of Registration
Ireland
Date of Registration
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Manufacturer
THE BOEING COMPANY
Aircraft Model / Type
BOEING 737-8AS
ICAO Aircraft Type
B738
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Maximum Take off Mass (MTOM) [kg]
Engine Count
Engine
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Main Owner
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Incident Facts

Date of incident
Apr 25, 2013

Classification
Report

Airline
Ryanair

Flight number
FR-4823

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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