Incident Overview

Date: Saturday 28 December 1991
Aircraft Type: Embraer EMB-110P Bandeirante
Owner/operator: Transportes A‚reos Regionais da Bacia Amaz“nica (TABA)
Registration Number: PT-GKX
Location: S?o Jos‚ do Rio Claro, MT – ÿ Brazil
Phase of Flight: En route
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 2
Component Affected: GPS navigation system on the Beechcraft A36 PT-ODB.GPS navigation system on the Beechcraft A36 PT-ODB.
Investigating Agency: CENIPACENIPA
Category: Accident
A TABA Flight 876 experienced a collision with a Beechcraft A36 PT-ODB due to GPS navigation errors. The aircraft, intended for a flight from Marechal to Sementes, deviated from its planned route, resulting in a collision with the PT-ODB. The PT-ODB then descended rapidly, impacting the ground at a near-90-degree nose-down angle, causing the destruction of the TABA 876.A TABA Flight 876 experienced a collision with a Beechcraft A36 PT-ODB due to GPS navigation errors. The aircraft, intended for a flight from Marechal to Sementes, deviated from its planned route, resulting in a collision with the PT-ODB. The PT-ODB then descended rapidly, impacting the ground at a near-90-degree nose-down angle, causing the destruction of the TABA 876.

Description

TABA Flight 876 was scheduled to fly from Marechal to Sementes carrying 2 crew members. The aircraft was given a cruise altitude of FL075. Meanwhile a Beechcraft A36 Registered PT-ODB was also given a route in which the 2 would near each over. Upon reaching Cruise, The Beechcraft would utilize GPS to navigate the airspace. TABA 876 would report that PT-ODB was at FL065 while was actually at FL085. As PT-OBD began to descend the aircraft would impact A horizontal Stabilizer of TABA 876. PT-ODB would impact the ground at nearly a 90 degree nose down atitude. The Beechcraft would be obliterated killing all 6 onboard. The Embraer would be able to land safely. Probable Cause: Failure of the GPS navigation lead to the inability to detect TABA 876 which in turn lead to the collision as well as the improper experience of the Pilot of the Beechcraft.

Source of Information

https://rzjets.net/aircraft/?reg=255183, http://www.aeromuseu.com.br/rab_pt.htmhttps://rzjets.net/aircraft/?reg=255183, http://www.aeromuseu.com.br/rab_pt.htm

Primary Cause

GPS navigation errors caused a deviation from the planned flight path, leading to a collision.GPS navigation errors caused a deviation from the planned flight path, leading to a collision.

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