Incident Overview
A Beech 1900 aircraft was taxiing at night under the guidance of a ground taxi director and two wing walkers. During the maneuver, the tail of the Beech 1900 made contact with the tail of a parked and unoccupied Boeing 737.
Statements from Crew and Ground Personnel
Both pilots of the Beech 1900 stated that they did not see a stop signal from the taxi director. In contrast, the wing walkers reported that the taxi director did give a stop signal.
Investigation Findings
The investigation revealed that the taxi director was using two wands, one of which was not lighted. Additionally, the company did not have a standardized training program for its ground personnel.
Conclusion
The sequence of events and contributing circumstances are documented as per the investigation, without further analysis.