The U.S. aircraft register, updated daily
Accidents · NTSB DCA17WA113 · Preliminary: the investigation is not finished

Boeing 737 and Cessna 510 incident near Palma De Mallorca, Es, April 20, 2017

On April 20, 2017 at about 6:58 am local time, 2 aircraft, Boeing 737 (ECJBK) and Cessna 510 (ECLCX), were involved in the same incident near Palma De Mallorca. The NTSB record does not give the injuries.

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this incident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
April 20, 2017 · about 6:58 am local time
Place
Palma De Mallorca, Spain
Type
Incident
Injuries
The NTSB record does not give the injuries.
Weather
not recorded
Aircraft 1
Boeing 737 · all 737s on the register
Registration
ECJBK · no longer on the register
Damage
Not recorded
Flight
Flight · non-U.S. commercial rules
Aircraft 2
Cessna 510 · all 510s on the register
Registration
ECLCX · no longer on the register
Damage
Not recorded
Flight
Flight · non-U.S. private rules

The NTSB's narrative for the Boeing 737 preliminary · quoted from the NTSB record

The Comision de Investigacion de Accidenties E Incidentes de Aviacion Civil of Spain has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on April 20, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Spain's investigation under the provisions of ICAO Annex 13.All investigative information will be released by the government of Spain.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The NTSB's narrative for the Cessna 510 preliminary · quoted from the NTSB record

The Comision de Investigacion de Accidenties E Incidentes de Aviacion Civil of Spain has notified the NTSB of an incident involving a CESSNA 510 airplane that occurred on April 20, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Spain's investigation under the provisions of ICAO Annex 13.All investigative information will be released by the government of Spain.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record for the Boeing 737 from the NTSB's investigation tables, in plain English

What happened, in order

  1. Near midair/TCAS alert/loss of separation during enroute defining event

The aircraft

  • Landing gear: retractable

The flight

  • A second pilot was aboard

Weather at the time

  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

The factual record for the Cessna 510 from the NTSB's investigation tables, in plain English

What happened, in order

  1. Near midair/TCAS alert/loss of separation during enroute defining event

The aircraft

  • Landing gear: fixed

The flight

  • A second pilot was aboard

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.