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Accident description
Last updated: 19 October 2017
Status:Preliminary - official
Date:Sunday 1 March 2015
Time:16:15
Type:Silhouette image of generic CL60 model; specific model in this crash may look slightly different
Canadair CL-600-2B16 Challenger 601-3A
Operator:Six Hundred NP, LLC
Registration: N600NP
C/n / msn: 3002
First flight: 1983
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 6
Total:Fatalities: 0 / Occupants: 9
Airplane damage: Substantial
Airplane fate: Written off (damaged beyond repair)
Location:Marco Island Airport, FL (MRK) (   United States of America)
Phase: Landing (LDG)
Nature:Executive
Departure airport:Marathon-Florida Keys Airport, FL (MTH/KMTH), United States of America
Destination airport:Marco Island Airport, FL (MRK/KMKY), United States of America
Narrative:
A Challenger 601-3A corporate jet, N600NP, experienced a landing overrun and subsequent collapse of the nose landing gear at the Marco Island Airport (MRK), Florida. Visual meteorological conditions prevailed at the time and an IFR flight plan was filed for the flight from Marathon-Florida Keys Airport (MTH), Florida. The airplane sustained substantial damage. The airline transport pilot and co-pilot, 1 flight attendant, and 4 passengers were not injured, 1 passenger sustained serious injuries, and 1 passenger sustained minor injuries. The flight originated from MTH about 15:54.

The pilot-in-command (PIC) stated that the landing dry and wet distances were calculated to be 3,166 and 4,166 feet, respectively. The flight departed MTH and while en route they obtained the MKY automated weather observing station (AWOS) which indicated the wind was from 250 degrees at 5 knots, and the visibility was 10 miles.
The PIC further stated they reviewed the speeds (Vref of 133 knots), and planned a visual approach to runway 17. Air traffic control approved their request for a visual approach, and they changed to the common traffic advisory frequency, entering left downwind for runway 17. They slowed, lowered the flaps to 20 degrees, and noted rain 2 to 3 miles east of MKY, though the airport appeared to be dry. When the flight was abeam runway 17, the landing gear was lowered and the flaps were extended to 30 degrees. The landing checklist was performed, and the anti-skid test was normal. The thrust reversers were armed, and he performed a "teardrop turn" to final. With flaps at 45 degrees, gear down, and flying Vref plus 10 knots, a couple of gusts were encountered during the approach. The co-pilot checked the AWOS again; the wind was still 250 degrees at 5 knots. He maintained a normal glide path at Vref plus 4 or 5 knots at the runway threshold, where he positioned both thrust levers to idle. The airplane was landed firm about 300 to 500 feet beyond the aiming point marking, and after touchdown he was unable to extend the ground spoilers. When the nose landing gear contacted the runway, he applied "moderate" brakes and held the control yoke forward, but felt no deceleration. He also attempted to deploy the thrust reversers but was unable.
The PIC informed the co-pilot there was no braking energy and released the brakes; the anti-skid was turned off and the brakes were re-applied pressing hard. He did not feel any deceleration, and again tried to deploy the thrust reversers, but was unable. He kept the airplane on the runway centerline, and began modulating the brakes. Unable to stop the airplane he added right rudder input causing the airplane to veer to the right. The airplane went off the end of the runway into sand causing the nose landing gear to collapse. After coming to rest he ordered an emergency evacuation, and secured the engines.

Classification:
Runway excursion

Sources:
» NTSB
» NBC2 News


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Marathon-Florida Keys Airport, FL to Marco Island Airport, FL as the crow flies is 153 km (96 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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