# NTSB CEN14WA321: Learjet 35 - A, Olsberg, Germany, June 23, 2014

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: June 23, 2014, 13:22 local (13:22 UTC)
- Place: Olsberg, Germany
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Defining event: [Maneuvering: Midair collision](https://openairdocs.org/ntsb-events/250)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- Parties: German Federal Bureau of
- NTSB case key (mKey): 89545
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN14WA321
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/89545/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=89545
- Page: https://openairdocs.org/ntsb/CEN14WA321

## Probable cause

The accident investigation is under the jurisdiction and control of the German government. This report is for information purposes only and contains only information released by or obtained from the German government or German Federal Bureau of Aircraft Accident Investigation/Bundesstelle fuer Flugunfalluntersuchung (BFU). Further information pertaining to this accident may be obtained from: German Federal Bureau of Aircraft Accident Investigation Bundesstelle fuer Flugunfalluntersuchung (BFU) Hermann-Blenk Strasse 16 38108 Braunschweig Germany

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Not determined](https://openairdocs.org/ntsb-findings/05000000): Not determined › Not determined · Other authority investigated (probable cause); cases with it: [All aircraft, 2,247 cases](https://openairdocs.org/ntsb-findings/05000000/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Maneuvering: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event); cases with it: [All aircraft, 196 cases](https://openairdocs.org/ntsb-events/250/sequence.md)

## Analysis

On June 23, 2014, at 1322 coordinated universal time, a Learjet 35A, German registered D-CGFI, was destroyed during a midair collision near Olsberg, Germany. Visual meteorological conditions prevailed at the time of the accident. The pilot and one crew member were fatally injured. The German investigators received reports that the Learjet collided with a German Air Force Eurofighter jet. The accident investigation is under the jurisdiction and control of the German government. This report is for information purposes only and contains only information released by or obtained from the German government or German Federal Bureau of Aircraft Accident Investigation/Bundesstelle fuer Flugunfalluntersuchung (BFU). Further information pertaining to this accident may be obtained from: German Federal Bureau of Aircraft Accident Investigation Bundesstelle fuer Flugunfalluntersuchung (BFU) Hermann-Blenk Strasse 16 38108 Braunschweig Germany

## Factual narrative

On June 23, 2014, at 1322 coordinated universal time, a Learjet 35A, German registered D-CGFI, was destroyed during a midair collision near Olsberg, Germany. Visual meteorological conditions prevailed at the time of the accident. The pilot and one crew member were fatally injured. The German investigators received reports that the Learjet collided with a German Air Force Eurofighter jet. The accident investigation is under the jurisdiction and control of the German government. This report is for information purposes only and contains only information released by or obtained from the German government or German Federal Bureau of Aircraft Accident Investigation/Bundesstelle fuer Flugunfalluntersuchung (BFU). Further information pertaining to this accident may be obtained from: German Federal Bureau of Aircraft Accident Investigation Bundesstelle fuer Flugunfalluntersuchung (BFU) Hermann-Blenk Strasse 16 38108 Braunschweig Germany

## Aircraft

- Registration: D-CGFI (not matched to a registry record)
- Reported make and model: LEARJET 35 - A
- Category: Airplane
- Serial number: 35A-612
- Year built: 1985
- Damage: Destroyed
- Fire: Unknown
- Operator: GFD/Gesellschaft fur Flugzieldarstellung
- Registered owner: GFD/Gesellschaft fur Flugzieldarstellung
- Airworthiness certificate: Unknown

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 7 knots
- Visibility: 6.2 statute miles
- Lowest ceiling: none
- Temperature: 61 °F, dew point 45 °F
- Altimeter: 30.14 inHg
- Observed at: EDGS

## Docket (1 files)

The files NTSB released with the investigation on July 10, 2014, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=89545. 50 KB in all.

- Docket Insert (item 1, .PDF, 50 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414143&FileExtension=.PDF&FileName=Docket%20Insert-Master.PDF

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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