Event Details

Title:Airmiss incident beween a Boeing 737-200 ZK-NAZ and Piper PA38-ZK-PAH at Wellington on 6 April 1992
Micro summary:A near-miss incident between this Boeing 737-200 and Piper PA-38 Tomahawk
Event Time:1992-04-06 at 0737 NZST
File Name:1992-04-06-NZ.pdf
Publishing Agency:Transport Accident Investigation Commission (TAIC)
Publishing Country:New Zealand
Report number:92-010
Site of event:Wellington
First AirplaneSecond Airplane
Departure:Christchurch International Airport, Christchurch, New ZealandWellington International Airport, Wellington, New Zealand
Destination:Wellington International Airport, Wellington, New ZealandWellington International Airport, Wellington, New Zealand
Airplane Type(s):Boeing 737-200Piper PA-38
Flight Phase:ApproachCruise
Operator(s):Air New ZealandUnknown
Type of flight:RevenueCharter
Serious Injuries:00
Other Injuries:00
Executive Summary:An Air New Zealand B737 was on final approach to runway 16, at Wellington Airport when a Piper PA38 Tomahawk was cleared to cross from Wellington City to Petone, maintaining visual separation. The aircraft converged until a loss of separation occurred. Both aircraft were flying in visual meteorological conditions (VMC). The pilot of the Tomahawk attempted to take evasive action. The aircraft passed in opposite directions with about 350 m between them. None of the 68 persons on board the aircraft were injured.
This airmiss resulted from a system of ATC clearance with visual separation which was not in accordance with the Manual of Air Traffic Services, but was approved by the Airways Corporation. Had the prescribed procedures been followed, the pilot of the Tomahawk would not have had the opponunity to make an erroneous judgement that he could pass safely in front of the airliner on final approach. Contributing factors included inadequate surveillance of the Airways Corporation's operations by the Air Transport Division, and lack of specific review and preventive action following earlier airmiss incidents.
Learning Keywords:Operations - Airspace - Air Proximity
Operations - Airspace - Air Traffic Control
Operations - Airspace - See & avoid


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