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Assessment Summary Sheet

Contributory factor assessment for each assessed Airprox can be downloaded.

Number of Airprox reports assessed, and their ICAO Risk rating
Total Risk A Risk B Risk C Risk D Risk E
10 0 2 6 1 1
Assessed Airprox reports
Airprox Aircraft 1 (Type) Aircraft 2 (Type) Airspace (Class) ICAO Risk
2019326 Emeraude (Civ FW) C172 (Civ FW) London FIR (G) C
2019328 Chinook (HQ JHC) Cirrus SR20 (Civ FW) London FIR (G) C
2019329 Typhoon(A) (HQ Air (Ops)) Typhoon(B) (HQ Air (Ops)) AARA 4 (C) C
2019330 DA40(A) (Civ FW) DA40(B) (Civ FW) Bournemouth CTR (D) C
2019333 Voyager (HQ Air (Ops)) Typhoon (HQ Air (Ops)) EG D323A (Danger Area) E
2019335 TB20 (Civ FW) C152 (Civ FW) London FIR (G) B
2020001 TB20 (Civ FW) Light Aircraft (Unknown) London FIR (G) B
2020002 DA42 (Civ FW) PA28 (Civ FW) Oxford ATZ (G) C
2020003 Chipmunk (Civ FW) Helicopter (Unknown) London FIR (G) D
2020006 Cessna 421 (Civ Comm) PA28 (Civ FW) London FIR (G) C

 

Consolidated Drone/Balloon/Model/Unknown Object Summary Sheet

Contributory factor assessment for each Drone/Balloon/Model/Unknown Object Airprox can be downloaded.

Number of Drone/Balloon/Model/Unknown Object reports, and their ICAO Risk rating
Total Risk A Risk B Risk C Risk D Risk E
2 0 0 1 0 1
Airprox Number Date

Time (UTC)
Aircraft

(Operator)
Object Location [1]

Description/

Altitude
Airspace

(Class)
Pilot/Controller Report

Reported Separation

Reported Risk
Comments/ Risk Statement ICAO Risk
2020033

21 Mar 20      

1424

B747

(CAT)

Unk Obj

N5120 W00038

LHR 220°/10NM

6000ft

 

London TMA

(A)

The B747 pilot reports flying right downwind for RW09L at 6000ft. He had been cleared to descend to 4000ft when a drone passed down the port side within 300ft laterally 200ft below.

 

Reported Separation: 200ft V/300ft H

Reported Severity of Risk: Medium

 

The LHR FIN controller reports that they acknowledged the pilot’s report, took the details and informed all relevant sectors and subsequent aircraft. No further sightings were reported.

In the Board’s opinion the reported altitude and/or description of the object were such that they were unable to determine the nature of the unknown object.

 

Applicable Contributory Factors: 4, 5, 7

 

Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where although safety had been reduced, there had been no risk of collision.

C
2020034

13 Mar 20

1040

A320

(CAT)

Unk Obj

N5329 W00057

5NM SE Doncaster

FL140

Airway Y70

(A)

The A320 pilot reports that, during descent, a drone passed down the starboard side of the aircraft. The drone looked orange/brown in colour and was fairly large. He reported the incident to the Scottish Radar controller.

 

Reported Separation: 25ft V/1.0NM H

Reported Risk of Collision: Medium

In the Board’s opinion the reported altitude and/or description of the object were such that they were unable to determine the nature of the unknown object.

 

Applicable Contributory Factors: 4, 5, 8

 

Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where normal procedures and/or safety standards had applied.

E

[1] Latitude and Longitude are usually only estimates that are based on the reported time of occurrence mapped against any available radar data for the aircraft’s position at that time. Because such reported times may be inaccurate, the associated latitudes and longitudes should therefore not be relied upon as precise locations of the event.

Latest from UK Airprox Board

  1. March reports are now available
  2. Airprox Digest 2021 - Winter Edition

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