AS350B3 Ditching Japan
An accident that highlights the benefit of practical emergency drills and careful consideration of survivability issues.
AS350B3 Ditching Japan Read Post »
SAR AW139 Dropped Object: Attachment of New Hook Weight
JTSB comment: “When introducing new equipment, it is necessary to confirm in advance, the usage including appropriate selection, and sufficiently identify the risk factors”.
SAR AW139 Dropped Object: Attachment of New Hook Weight Read Post »
ATR 72 Rudder Travel Limitation Unit Incident: Latent Potential for Misassembly Meets Commercial Pressure
An ATR72 suffered an uncommanded yaw and roll as it accelerated through 185 knots. The cause was traced to misassembly during a prior maintenance check. A cam in the rudder Travel Limitation Unit could be reversed, and pressures during the check triggered that misassembly.
S-76A++ Rotor Brake Fire
Fire after activating the rotor brake while the No. 2 engine was still set to govern the power turbine speed.
S-76A++ Rotor Brake Fire Read Post »
BEA Point to Inadequate Maintenance Data and Possible Non-Conforming Fasteners in ATR 42 Door Loss
At top of descent a 15 kg MLG door separated causing damage. Maintenance data “complex and contained error” and allowed “allowed nuts to be reused without checking their self-locking capability”.
Wire Strike on Unfamiliar Approach Direction to a Familiar Site
Weather conditions forced an unfamiliar approach direction to a familiar landing site. The lack of a site recce first increased risk as did the inaudibility of an obstacle warning system.
Wire Strike on Unfamiliar Approach Direction to a Familiar Site Read Post »