BASIP - TCAS (40-148)

SERIOUS INCIDENT (TCAS – RA) BETWEEN AERO NOMAD AIRLINE FLIGHT ANK4506, AIRBUS 320-233 AIRCRAFT, REG. NO. EX-32009 (OPIS – UCFM) & BRITISH AIRWAYS FLIGHT BAW2261, BOEING 777-236ER AIRCRAFT, REG. NO. GYMMD, (EGLL – OPIS) ON 05-06-2022

  • Type: serious incident
  • Status: FINAL INVESTIGATION REPORT
  • Operator: Aero Nomad
  • Flight no.: ANK4506
  • Registration number: EX-32009
  • Type of aircraft: 320-233
  • Date of occurrence: 05-06-2022
  • Date of uploading: 03-06-2026
  • Location: In-flight

On 05th June, 2022, Aero Nomad flight ANK4506, Airbus 320 aircraft, Reg. No. EX32009 was a commercial passenger flight which took off from Islamabad International Airport (OPIS), Islamabad, Pakistan for Manas International Airport (UCFM), Bishkek, Kyrgyzstan on Air Traffic Services (ATS) route ISB-KALMI-J143-PSP500. Meanwhile, British Airways flight BAW2261, Boeing 777 aircraft, Reg. No. GYMMD was operating from Heathrow Airport (EGLL), London, UK to OPIS, Islamabad, Pakistan on route P500-PS-J143-KALMI-ISB. Both were scheduled passenger flights. When ANK4506 was 05 Nautical Miles (NM) North of position Peshawar (PS) VOR climbing out of FL318 for FL320, it encountered Traffic alert and Collision Avoidance System – Resolution Advisory (TCAS-RA) with reciprocal traffic BAW2261 which was descending from FL390 to FL330 passing FL332 at the time of incident. ANK4506 descended from FL318 to FL315 on TCAS-RA. BAW2261 did not report TCAS-RA however, it followed TCAS-RA command to level off at FL3305. Both aircraft had traffic information regarding each other.