UK Airprox Board UK Airprox Board
  • Assessment Summary Sheet for UKAB Meeting on 22nd February 2017

     

    Total Risk A Risk B Risk C Risk D Risk E
    21 6 7 6 0 2

     

    Airprox

    Aircraft 1

    (Type)

    Aircraft 2

    (Type)

    Airspace

    (Class)

    Cause ICAO Risk
    2016184

    BN2

    (CAT)

    C303

    (Civ Pte)

    London FIR

    (G)

    The BN2 pilot was concerned by the proximity of the C303.

    Contributory Factors:

    1. The C303 pilot’s non-sighting of the BN2.

    2. Confusion caused at least in part by over controlling under a Basic Service and non-standard phraseology.

    C
    2016198

    Tutor

    (HQ Air Trg)

    PA38

    (Civ Trg)

    London FIR

    (G)

    A late sighting by both pilots. B
    2016199

    A320

    (CAT)

    B787

    (CAT)

    London TMA

    (A)

    The Biggin TC controller inadvertently cleared the aircraft into conflict.

    Contributory Factor:

    One pilot’s transmissions blocked the Biggin TC controller, preventing timely conflict resolution.

    C
    2016200

    C130

    (HQ Air Ops)

    Hang Glider

    (Unknown)

    London FIR

    (G)

    The C130 pilot was concerned by the proximity of the Powered Hang Glider. C
    2016201

    PA28

    (Civ Pte)

    PA28

    (Civ Trg)

    London FIR

    (G)

    A non-sighting by the PA28(B) pilot and effectively a non-sighting by the PA28(A) pilot.

    Contributory Factor:

    The controller’s workload precluded the provision of an unrestricted Traffic Service.

    A
    2016202

    Gemini microlight

    (Civ Pte)

    AS350

    (Civ Comm)

    London FIR

    (G)

    The AS350 pilot flew close to a promulgated and active microlight site and into confliction with the Gemini microlight. B
    2016207

    C150

    (Civ Pte)

    C130x2

    (HQ Air Ops)

    London FIR

    (G)

    A conflict in Class G airspace. B
    2016208

    Tornado

    (HQ Air Ops)

    MD500

    (Civ Comm)

    London FIR

    (G)

    A sighting report. C
    2016209

    A109

    (Civ Comm)

    Light Aircraft (glider tug)

    (Unknown)

    London FIR

    (G)

    The A109 pilot overtook the tug/glider combination too close.

    Contributory Factors:

    The tug pilot did not clear his flight path prior to turning.

    B
    2016212

    DHC8

    (CAT)

    C182

    (Civ Club)

    Scottish FIR

    (G)

    The DHC8 pilot flew into conflict with the C182.

    Contributory Factors:

    1. The DHC8 flew close to a promulgated and active parachuting site.

    2. ATC did not specifically mention Errol’s status to the DHC8 pilot.

    Recommendation:

    Dundee ATC include Errol airfield parachuting site details in their AIP entry and on their instrument procedure plates.

    C
    2016214

    Paramotor

    (Civ Pte)

    Pitts S2S

    (Civ Pte)

    London FIR

    (G)

    A sighting report. E
    2016215

    PA28

    (Civ Club)

    Bulldog

    (Civ Pte)

    London FIR

    (G)

    Effectively a non-sighting by the PA28 pilot and a non-sighting by the Bulldog pilot. A
    2016216

    Tutor

    (HQ Air Trg)

    Europa

    (Civ Pte)

    London FIR

    (G)

    A late sighting by the Tutor pilot and a possible non-sighting by the Europa pilot.

    Contributory Factor:

    ATC did not pass timely Traffic Information to the Tutor pilot.

    C
    2016219

    C172

    (Civ Trg)

    C172

    (Civ Trg)

    London FIR

    (G)

    Effectively a non-sighting by both pilots. A
    2016222

    Chinook

    (HQ JHC)

    Model

    (Unknown)

    Benson ATZ

    (G)

    The model aircraft was flown into conflict with the Chinook. B
    2016223

     Chinook

    (HQ JHC)

    PA18

    (Civ Club)                                 


    Odiham MATZ

    (G)                                         

    A conflict in Class G airspace.

    Contributory Factor:

    The Chinook pilot did not act on the Traffic Information provided.

    Recommendation: HQ JHC undertake a review of the Odiham and Lasham LOA.
    B
    2016225

    R44

    (Civ Comm)

    Drone

    (Unknown)

    Scottish FIR

    (G)

    A sighting report. E
    2016226

    DHC8

    (CAT)

    Weather Balloon

    (Unknown)

    London FIR

    (C)

    A conflict in Class C airspace. A
    2016229

    A320

    (CAT)

    Drone

    (Unknown)

    London TMA

    (A)

    The drone was flown into conflict with the A320. A
    2016239

    A320

    (CAT)

    Drone

    (Unknown)

    London TMA

    (A)

    The drone was flown into conflict with the A320. B
    2016242

    A320

    (CAT)

    Drone

    (Unknown)

    London TMA

    (A)

    The drone was flown into conflict with the A320. A