trolleybus · trans-alpha · Avangard (троллейбус · транс-альфа · авангард)

The causes of downtime are as follows: low-voltage equipment — 271 cases (43% of the total 645 cases); high-voltage equipment — 237 cases (37% of the total 645 cases); mechanical equipment — 98 cases (15% of the total 645 cases); pneumatic equipment — 16 cases (2% of the total 645 cases); and body element malfunctions — 23 cases (3% of the total 645 cases).

Consensus

Rosstandart temporarily banned sales of 'Avangard' trams and 'Syrus' electric buses from Vologda's 'Trans-Alpha' due to safety violations.
The ban was triggered by a fire in Kaliningrad involving an 'Avangard' tram.
The 'Avangard' and 'Syrus' vehicles are widely used in St. Petersburg's public transport system.
St. Petersburg has stopped purchasing from 'Trans-Alpha' due to frequent breakdowns and long-term downtime.
The company 'Trans-Alpha' has changed its ownership structure and reported losses in 2024.

Points of divergence

The 'Avangard' and 'Syrus' vehicles are used in the 'GorElectroTrans' and 'PassazhirAvtoTrans' parks in St. Petersburg respectively. — gazeta_spb
The 'Avangard' is a tram and the 'Syrus' is an electric bus, with the main difference being their charging systems. — fontanka