UK Airprox Board UK Airprox Board
  • Assessment Summary Sheet for UKAB Meeting on Wednesday 17th July 2019

    Contributory factor assessment for each Airprox can be downloaded here


    Total A B C D E
    18 3
    7 7 0 1

     

    Airprox Aircraft 1 (Type) Aircraft 2 (Type) Airspace (Class)

    ICAO

    Risk

    2019064 ASK21 (Civ Gld) Glider (Civ Gld) London FIR (G) A
    2019065 SR20 (Civ FW) Paramotor (Civ Hang) London FIR (G) B
    2019066 C172 (Civ FW) Bulldog (Civ FW) London FIR (G) B
    2019070 C17 (HQ Air Ops) Glider (Civ Gld) London FIR (G) C
    2019071 C152 (Civ FW) AA-5 (Civ FW) Tatenhill ATZ (G) B
    Recommendation: The CAA review R/T procedures at non-ATS aerodromes.  
    2019072 EMB135 (Civ Comm) DH82(A) (Civ FW) London FIR (G) C
    2019074 PA17 (Civ FW) PA28 (Civ FW) London FIR (G) C
    2019075 C208(A) (Civ Comm)
    C208(B) (Civ FW)
    London FIR (G) A
    2019077 Parachutist (Civ Para) F15 (Foreign Mil) London FIR (G) B
    2019078 Do228 (CAT) C42 (Civ FW) Solent CTR (D) C
    2019079 Viking (HQ Air Trg) BE58 (Civ FW) London FIR (G) B
    2019083 Wildcat (RN) Glider (Civ Gld) London FIR (G) B
    2019085 Saab 340 (CAT) F15 (Foreign Mil) Scottish FIR (G) E
    2019087 Viking (HQ Air Trg) DA40 (Civ FW) Syerston ATZ/London FIR (G) C
    2019092 PA28 (Civ FW) Glider (Civ Gld) London FIR (G) C
    2019096 SF25 (Civ Gld) A109 (Civ Helo)

    Enstone /London FIR

    (G)

    C
    2019097 RV6 (Civ FW) PA28 (Civ FW) London FIR (G) B
    2019099 Hawk (HQ Air Ops) Glider 1 and 2 (Civ Gld)

    VoY AAIA/London FIR

    (G)

    A

  • Consolidated Drone/Balloon/Model/Unknown Object Report Sheet for UKAB Meeting on 17 Jul 2019

    Contributory factor assessment for each Airprox can be downloaded here

     

    Total Risk A Risk B Risk C Risk D Risk E
    14 4 4 5 1 0

     

    Airprox

    Number  

    Date  

    Time  (UTC)                                         

    Aircraft

    (Operator)  

    Object  

    Location

    Description

    Altitude

    Airspace

    (Class)

    Pilot/Controller Report

    Reported Separation

    Reported Risk

    Cause/Risk Statement

    ICAO

    Risk

    2019113

    22  May 19      

    1445             

    B787

    (CAT)

    Drone

    5128N 00024W

    2nm E Heathrow

    650ft

    London CTR

    (D)

    The B787 pilot reports that he was at 2 DME on approach to RW27R at 650ft when he saw a drone approximately 2 wingspans to the right of the aircraft at the same level. The type of drone was unknown, but it was light in colour.

     

    Reported Separation: 0ft V/ ~400m

    Reported Risk of Collision: Not reported.

    The reported drone was probably being flown above the maximum permitted height of 400ft, within the lateral and vertical limits of an FRZ and within controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 3, 4, 6

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where safety had been much reduced below the norm to the extent that safety had not been assured.

    B
    2019115

    28 Apr 19

    1456

    A320

    (CAT)

    Drone

    5110N 00003W

    5nm east Gatwick

    1700ft

    Gatwick CTR

    (D)

    The A320 pilot reports in the final stages of an ILS approach to RW26 at Gatwick when he saw a dark coloured drone ahead. Avoiding action of a 5-8° bank to the right was taken.

     

    Reported Separation: 0ft V/ 80-100ft H

    Reported Risk of Collision: Medium

    The reported drone was being flown above the maximum permitted height of 400ft and within controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 3, 4, 6

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where although safety had been reduced, avoiding action was able to be taken.

    A
    2019120

    26 May 19

    1840

    A319

    (CAT)

    Unk Obj

    5128N 00016W

    6.5nm E Heathrow

    2200ft

    London CTR

    (D)

    The A319 pilot reports that ATC had issued a drone observation reported at 13.5nm final for Heathrow RW27R, so the crew were keeping a good lookout.  Approaching 6.5nm an object was observed about 50ft above the aircraft.  It had two obvious circles although no discernible fan/blade, and was about 1m across, it may have been an odd shaped balloon. It was first seen 200m away, but avoiding action wasn’t necessary because it’s trajectory was going to keep it clear.  It was reported to ATC.

     

    Reported Separation: 40ft V/0.1nm H

    Reported Risk of Collision: None

    The Board members considered that the pilot’s description was such that they could not definitively determine the nature of the object.

     

    Applicable Contributory Factors: 4, 5

     

    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
    2019123

    26 May 19

    1319

    B737

    (CAT)

    Drone

    5545N 00303W

    16nm SE Edinburgh

    6500ft

    Edinburgh TMA

    (A)

    The B737 pilot reports in the descent when he saw a drone about ¼nm ahead. It had black and white markings, possibly stripes. There was no time to take avoiding action and the drone passed below the level of the left wing. ATC were informed immediately. The pilot noted that the drone was above a near solid cloud layer and out of sight of the ground.

     

    Reported Separation: 100ft V/50m H

    Reported Risk of Collision: High

    The reported drone was being flown above the maximum permitted height of 400ft and within controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 3, 4, 6

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where safety had been much reduced below the norm to the extent that safety had not been assured.

    B
    2019124

    25 May 19

    1450

    A319

    (CAT)

    Unk Obj

    5104N 00015E

    ENE MAY 8nm

    FL65

    London TMA

    (A)

    The A319 pilot reports they had left the WILLO hold in the descent to 6500ft when the Capt spotted what was initially thought to be a bird ahead.  As it came closer it was clearly metallic looking and reflecting light. It passed down the right-hand side of the aircraft. They couldn’t estimate the range, but it seemed very close to the right wing.  It was reported to ATC.

     

    Reported Separation: 20ft V/ NK H

    Reported Risk of Collision: Medium

    The Board members considered that the pilot’s description was such that they could not definitively determine the nature of the object.

     

    Applicable Contributory Factors: 4, 5

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where providence had played a major part in the incident and/or a definite risk of collision had existed.

    A
    2019128

    31 May 19

    1841

    A320

    (CAT)

    Drone

    5128N 00017W

    5nm E Heathrow

    1700ft

    London CTR

    (D)

    The A320 pilot reports on the ILS for RW27L at Heathrow when he saw a drone at the same altitude, stationary in position. It was not possible to make an assessment of colour or manufacturer.

     

    Reported Separation: ‘<100m’

    Reported Risk of Collision: Not reported

    The reported drone was being flown above the maximum permitted height of 400ft and within controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 3, 4, 6

     

    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
    2019129

    2 Jun 19

    1358

    C152

    (Civ FW)

    Drone

    5144N 00028E

    Chelmsford

    2400ft

    London FIR

    (G)

    The C152 pilot reports in receipt of a Traffic Service from Southend when he saw a large black drone with flashing lights. He estimated it was about 1m in diameter. The drone seemed to be travelling in the same direction, was only seen when it was very close to the aircraft and passed within 5m of the right wing. There was no time to manoeuvre away from it. He immediately reported the incident to Southend Radar.

     

    Reported Separation: ‘<5m’

    Reported Risk of Collision: Very High

    The reported drone was being flown above the maximum permitted height of 400ft such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 4, 6

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where providence had played a major part in the incident and/or a definite risk of collision had existed.

    A
    2019134

    5 Jun 19

    1518

    B737

    (CAT)

    Drone

    5227N 00145W

    Final RW15 Birmingham

    300ft

    Birmingham CTR

    (D)

    The B737 pilot reports they were on short finals RW15 at Birmingham at 500ft when an object was observed left of the nose, when passing 300ft it was identified as a drone.  It passed to the left of the aircraft.

     

    Reported Separation: 0ft V/ 100m H

    Reported Risk of Collision: Not reported.

    The reported drone was being flown within the lateral and vertical limits of an FRZ and within controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 3, 4, 6

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where safety had been much reduced below the norm to the extent that safety had not been assured.

    B
    2019135

    6 Jun 19

    0832

    B747

    (CAT)

    Drone

    5128N 00008W

    12nm E Heathrow

    3500ft

    London TMA

    (A)

    The B747 pilot reports on approach to RW27L when he clearly saw a yellow and orange quadcopter drone in the 11 o’clock which passed down the left side of the aircraft. He reported the incident to ATC and a police officer took a statement after landing.

     

    Reported Separation: 20ft V/ 40ft H

    Reported Risk of Collision: High

    The reported drone was being flown above the maximum permitted height of 400ft and in controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 3, 4, 6

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where providence had played a major part in the incident and/or a definite risk of collision had existed.

    A
    2019140

    2 Jun 19

    1238

    A321

    (CAT)

    Unk Obj

    5329N 00207W

    10nm NE Manchester

    8000ft

    Manchester TMA

    (A)

    The A321 pilot reports departing Manchester climbing through 9000ft when he saw what he believed to be a white drone about 1000ft below. It was small with a high relative speed between it and the aircraft. A high frequency flicker of sunlight reflecting from the object led him to believe it was a drone with rotating propeller blades rather than a bird.

     

    Reported Separation: 1000ft V/1-2nm H

    Reported Risk of Collision: Low

    The Board members considered that the pilot’s description was such that they could not definitively determine the nature of the object.

     

    Applicable Contributory Factors: 4, 5

     

    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
    2019141

    14 May 19

    1518

    Eurofox

    (Civ FW)

    Unk Obj

    5353N 00047W

    2nm S Pocklington

    1900ft

    London FIR

    (G)

    The Eurofox pilot reports that he became aware of a drone flying in formation with him, just off his left wing.  It was there for a few seconds then it shot off ahead and disappeared out of sight.  He described the object as 2m long, pink, shaped like a pig with 6 rotors on the back.

     

    Reported Separation: 0ft V/ 9m H

    Reported Risk of Collision: Low

    Given the reporter’s description of the object, the Board initially wondered whether this was a vexatious time-wasting report and so contacted the reporter to confirm the details. However, the reporter was adamant that he had momentarily seen a large pink object with rotors that had appeared to be in formation, and that he had perceived that it had then accelerated ahead.  The reporter had stated being 2nm south of Pocklington airfield, heading 080º, and that the object had been to his left, i.e. closer to Pocklington airfield and so the Board wondered whether he had mistaken another aircraft as being closer to his than was actually the case.  Other than that, perhaps the sighting was an advertising blimp that had broken its moorings, or a toy balloon of some sort that he had encountered and mis-perceived to have accelerated away.  Whichever, the Board could not positively determine the nature of the unknown object.

     

    Applicable Contributory Factors: 5

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where there was insufficient information to make a sound judgement of risk.

    D
    2019145

    21 Apr 19

    1214

    B737

    (CAT)

    Drone

    5236N 00159W

    12nm NW Birmingham

    FL080

    Daventry CTA

    (A)

    The B737 pilot reports that he was 12nm NW Birmingham when he saw a black drone at the same level 100-200m off the left wing-tip.  It appeared to be travelling in the opposite direction.

     

    Reported Separation: 0ft V/ 100-200m H

    Reported Risk of Collision: High

    The reported drone was being flown above the maximum permitted height of 400ft and in controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 3, 4, 6

     

    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
    2019146

    9 Jun 19

    1533

    B787

    (CAT)

    Drone

    5133N 00001E

    18nm ENE Heathrow

    6000ft

    London TMA

    (A)

    The B787 pilot reports that during the intermediate descent to the Heathrow RW27L ILS the relief pilot saw a drone pass down the left side and slightly below. The Captain immediately looked and saw a large-ish white drone pass approximately 1/4 - 1/2 mile on the left side and approximately 500ft below. However, they were in a right turn at the time of sighting. Although not an immediate danger to the aircraft, the drone should not have been at that altitude within the TMA. The incident was reported to ATC and a statement given to police after landing

     

    Reported Separation: 500ft V/ ¼ - ½nm H

    Reported Risk of Collision: Medium

    The reported drone was being flown above the maximum permitted height of 400ft and in controlled airspace such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 3, 4, 6

     

    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
    2019147

    3 Jun 19

    1335

    BE76

    (Civ FW)

    Drone

    5057N 00112W

    E Southampton Airport

    2000ft

    London FIR

    (G)

    The BE76 pilot reports he was in level flight at 2000ft, in the vicinity of Bishops Waltham VRP to the East of Southampton airport.  It was good visibility beneath an overcast sky.  He saw an unusual shape which at first he thought could be a bird, but soon became unmistakably a drone, level with his aircraft.  It was a cylindrical disc, about the size of a steering wheel and was grey metallic.  It passed down the right-hand side of the aircraft.

     

    Reported Separation: 0ft V/ 30m H

    Reported Risk of Collision: Medium

    The reported drone was being flown above the maximum permitted height of 400ft such that it was endangering other aircraft at that location.

     

    Applicable Contributory Factors: 1, 2, 4, 6

     

    Risk: The Board considered that the pilot’s overall account of the incident portrayed a situation where safety had been much reduced below the norm to the extent that safety had not been assured.

    B