On April 4, 1999, at 1820 central standard time, a Bell UH1-B helicopter, N64CC, while standing on the ramp with idle rotors was struck by a Bell UH1-B helicopter, N123SJ, maneuvering for landing at the Benito Jauavez International Airport, Mexico City, Mexico. The helicopters were owned and operated by San Joaquin Helicopter, Inc., Delano, California, as public use aircraft under CFR Part 91. The aircraft were under contract with Helicopters y Vehiculos Aereos Nacionales S.A. de C.V. for several months during the fire season in Mexico. The commercial pilot, flying N64CC, and his sole passenger were not injured. The airline transport rated pilot, flying N123SJ, and his two passengers were not injured. N64CC sustained substantial damage, and N123SJ was destroyed. Visual meteorological conditions prevailed for the cross country repositioning flight that originally departed Delano, California, for Mexico City. The last refueling departure point was Culiacan, Mexico.

According to the operator's chief pilot, the flight departed Delano, California, on April 1, 1999, with en route stops at Tijuana, Nogales, and Culiacan, Mexico. Upon the arrival at Mexico City, the pilot of helicopter, N64CC, landed the helicopter and rolled ground idle. The pilot of helicopter, N123SJ, was maneuvering away from the hangars for landing when the main rotor blades contacted the main rotor blades of N64CC. The main rotor blades were damaged on each of the helicopters. On helicopter, N123SJ, the transmission was separated from the mounts.

The investigation is under the jurisdiction of the Government of Mexico. Any further information may be obtained from:

Subsecretaria de Transportes Direccion General de Aviacion Civil (DGAC) Providencia 807-Cuarto Piso Colonial del Valle 03100 Mexico, D.F.

This report is for informational purposes only and contains only information released or obtained for the Government of Mexico.

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