US investigators have disshutd that a ramp worker was fatally injured after being sucked into the engine of an Embraer 175 at Montgomery airport regardless of The beneathfacet crew’s holding particular engine-safety briefings A pair of minutes earlier than the plane arrived On the gate.
The safety briefings have been carried out as a Outcome of the Envoy Air twinjet’s auxiliary power unit was inoperative, and the pilots had opted To go away each Widespread Electrical CF34 engines working for a 2min cool-down interval.
Based mostly on preliminary findings from the Nationwide Transportation Safety Board, floor personnel held A safety briefing 10min earlier than the plane arrived from Dallas on 31 December.
A second safety ‘huddle’, it provides, Occurred simply earlier than the jet reached the gate to reiterate thOn the engines would stay working till the plane was related to floor power.
This dialogue additionally careworn thOn the plane Ought to not be strategyed, nor should safety cones be placeed, till the engines have been off and spooled down, and the pilots had fliped off the rotating beacon.
Three ramp staff have been current – however Away from the safety space – Since the plane strategyed. After parking, the captain gave a hand signal To join floor power And commenced shutting down The biggest-hand engine.
Cockpit devices then warned thOn the forward cargo door, located on The biggest facet of the fuselage, was being opened. The primary officer opened a window To inform the ramp staff thOn the engines have been nonetheless working.
The captain educated the first officer that he would primarytain the passenger seatbelt signal illuminated till the plane was related to floor power and the left-hand engine was fliped off.
But immediately after these remarks the plane “shook violently”, says the inquiry, and the left-hand engine mechanically shut down.
Surveillance digital camera footage reveals the plane’s nostril-wheel chocked and the worker who marshalled the plane strolling to the forward cargo door.
One other ramp worker is seen heading in the direction of the rear of the plane with an orange safety cone, whereas A third worker gestures to the again of the plane Collectively with his hand.
The worker from the rear then reappears and begins strolling to the left wing-tip. The marshaller agains away from the open cargo door Since the worker walks alongside the left wing’s Vanguard and immediately in entrance of the left-hand engine – earlier than being pulled off her ft and into the powerplant.
“All by way of the course of the accident, the airplane’s greater rotating beacon mild Appeared to be illuminated,” says the inquiry.
One other ramp worker, who had been located shut to The biggest-hand wing-tip, noticed the worker who walked to the rear of the plane with the cone and said that she virtually fell over from the engine exhaust whereas he tried to alert her To primarytain clear.
The floor agent who chocked the nostril-wheel had additionally tried to wave away each the worker who strategyed the cargo door As properly as to the one with the cone On the rear of the jet, as a Outcome of the left-hand engine was nonetheless working.
Envoy Air was working the service beneath the American Eagle mannequin. The service’s floor-operations guide instructs personnel by no means to strategy an plane – both to place gear or open cargo doorways – till the engines are shut down and beacons extinguished, besides by way ofout an accredited single-engine flip.
It warns thOn the engine ingestion zone is 15ft, and this Should not ever be entered till particular person fan blades can clearly be seen, including that engine spool-down can take 30-60s.
Not Definitely one of the 59 passengers And 4 crew members on board the plane (N264NN) was injured, and the inquiry says the damage to the jet was minor.