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N119RL accident description

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Crash location 26.201667°N, 80.177500°W
Nearest city Fort Lauderdale, FL
26.122308°N, 80.143379°W
5.9 miles away
Tail number N119RL
Accident date 12 Apr 2015
Aircraft type Piper PA-31T1
Additional details: None

NTSB Factual Report

HISTORY OF FLIGHT

On April 12, 2015, about 1625 eastern daylight time, a Piper PA-31T1, N119RL, collided with terrain on final approach to runway 13 at Fort Lauderdale Executive Airport (FXE), Fort Lauderdale, Florida. The private pilot and three passengers were fatally injured and the airplane was destroyed by impact forces and a postcrash fire. The airplane was registered to a private company and was operated by the pilot under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Day, visual meteorological conditions prevailed for the flight, and an instrument flight rules flight plan was filed. The flight originated from Orlando Executive Airport (ORL), Orlando, Florida, about 1520.

According to information obtained from air traffic control, the pilot checked in with Miami approach control at 1618 and was advised to maintain 3,000 feet. The pilot was provided the most recent weather and runway information for FXE and he informed the controller that he would be executing a visual approach to runway 9. The controller then cleared the airplane to proceed direct to FXE with a descent to 2,000 feet. The pilot reported that he did not have FXE in sight, so the controller provided assistance and cleared the pilot to descend to 1,500 feet. At 1623, the pilot reported the field in sight and the controller cleared the pilot for the visual approach to runway 9 and handed him off to the FXE air traffic control tower. At 1623:49, the pilot checked in with FXE tower and was immediately cleared to land by the tower controller. At 1624:27, the pilot reported, "romeo lima smoke in the cockpit." When asked to repeat, the pilot responded, at 1624:30, "smoke in the cockpit." At 1624:38, the tower controller cleared the pilot to land on any runway and advised that he was aligned with runway 13. At 1624:48, the pilot stated that he would land on runway 13. At 1625:14, the pilot reported, "mayday mayday mayday mayday mayday (unintelligible)." This was the last transmission received from the pilot. The airplane then crashed about 1/4 mile short of runway 13 in a wooded area.

A witness was outside on a church sports field, about 1/4 mile from the crash site, at the time of the accident. He observed the airplane coming in from the northwest, diagonally toward the airport. He stated that the airplane was "too low." He thought that the airplane would pull up in time; however, it "…got worse, the closer it got to the ground the more the nose fell toward the ground." He then heard a loud explosion and observed a pillar of smoke and fire. He further stated that there was no smoke or fire coming from the airplane, and that the engines sounded normal prior to the crash.

Security camera video was provided to investigators that captured the airplane immediately prior to the crash. A review of the video revealed no visible smoke or fire trailing the airplane in flight. Immediately prior to impact, a noticeable pitch down was observed, consistent with the witness report.

PERSONNEL INFORMATION

The pilot, age 51, held a private pilot certificate with airplane single engine, multi-engine, and instrument airplane ratings. He reported 1,221 hours total flight time on his most recent Federal Aviation Administration (FAA) medical certificate, dated February 18, 2015. Records recovered from the wreckage indicated that he completed a PA-31 initial training course about 1 week prior to the accident. A pilot logbook was recovered from the wreckage; however, no total flight time information could be discerned due to the extensive fire damage.

AIRCRAFT INFORMATION

The seven-seat airplane, also known as the Cheyenne I, was manufactured in 1979 and was equipped with two Pratt and Whitney Canada PT6A-11 turboprop engines. The airplane maintenance records indicated that an annual inspection of the airframe, engines, and propellers was completed on April 3, 2015. At the last inspection, the total time recorded on the airframe and engines was 3,266.5 hours.

Concurrent with the last annual inspection, a Garmin GTN-650 GPS, communication and navigation system, a Garmin GA-35 GPS antenna, a Garmin GMA-340 audio panel, a Bendix King KN-53 navigation and glideslope receiver, and a Bendix King KI-204 VOR, localizer and glideslope indicator were installed and the old avionics were removed. A new aircraft battery was also installed.

METEOROLOGICAL INFORMATION

The FXE weather at 1553 included wind from 140 degrees at 13 knots, visibility at least 10 statute miles, scattered clouds at 2,500 feet above the ground, temperature 30 degrees C, dew point 20 degrees C, and altimeter setting 30.06 inches of mercury.

WRECKAGE AND IMPACT INFORMATION

The wreckage was located inside a fenced nature preserve within the boundary of the airport. The main wreckage was located directly under the extended centerline for runway 13. The wreckage debris field was about 167 feet in length and about 50 feet wide, oriented on a heading of about 112 degrees. The fuselage came to rest upright, aligned on a heading of 020 degrees. All major structural components of the aircraft were found within the confines of the debris field. Several tree limbs were found along the wreckage path with smooth, angular cuts.

The fuselage was destroyed from the nose cone area aft to the forward pressure bulkhead from impact damage and the postcrash fire. All structure forward of the main wing spar was consumed by the postcrash fire. The aft fuselage, forward of the main cabin door leading edge, was segmented and destroyed by the postcrash fire. The fuselage wreckage surrounding the aft cabin door frame was impact-damaged and scorched. The main cabin door was found latched. The cabin enclosure windows and windshields were destroyed by ground impact and postcrash fire. The forward cabin seats were in place; however, they were bent and destroyed by impact forces and postcrash fire. The aft seats were found bent with fire damage noted. All seat restraints were damaged by postcrash fire. Two buckled remnants were located, and other seat restraint items were found; however, the seat belt webbing was burned away. The remaining buckles were not latched and were noted to be damaged from postcrash fire.

All avionics equipment and flight instruments were destroyed by the postcrash fire. The magnetic compass unit was located in the forward debris path. The switch and circuit breaker panels were fire-damaged. The engine power levers appeared to be in the "full forward" positions. The left and right control wheel shafts were noted to be bent from impact. The control wheels were destroyed by the postcrash fire. The aileron control chain was attached to the control wheel shaft sprockets. The rudder pedals were located. Their support shaft was impact-damaged and the pedals were not free to move.

The nose landing gear was found adjacent to the fuselage. It appeared to have been in the "extended and locked" position. The airplane's radar unit antenna was located adjacent to the fuselage, and its power supply and processor were located in nearby brush. The airplane's main battery was not located. The cabin heater was located, installed at its normal position. The flap and landing gear select switches were damaged from impact and postcrash fire. They offered no useful information as to their pre-impact positions. The flight control trim wheel console was destroyed by ground impact and postcrash fire. Their cables were intact and could be traced aft to their respective flight controls.

Both engines were separated from the airframe and both propeller assemblies were separated from the engines during the accident sequence.

The vertical fin remained mounted to the fuselage. It exhibited impact damage and some scorching signatures. The rudder was attached to the vertical fin and was free to move left and right. It appeared to have limited impact damage. The rudder trim tab and actuator rod were still attached and both were free to move. Rudder and rudder trim cable continuity were traced from their respective positions forward to the cabin area. Continuity was noted but control movement was limited due to cabin area compression and distortion. The primary rudder control stops indicated no bending or peening conditions. The autopilot servo bridal cable was intact.

The horizontal stabilizer assembly was noted to have tree and ground impact damage with some scorching noted. The left horizontal stabilizer was bent downward and appeared to have a "U" shape. Leading edge damage was noted to both sides.

The elevator was free to move. The control rod was attached and the control balance springs were in place. The autopilot pitch servo bridal cables were attached. The trim tab was free to move. Cable continuity was traced forward to the cabin area. Movement was limited due to cabin area compression and distortion. The elevator primary stops showed no evidence of a bending or peening condition.

The left wing inboard section was separated from the fuselage at the wing root and was destroyed by impact forces and the postcrash fire. The outboard section, engine nacelle, and wing tip tank areas were separated by tree impact and were found in the vicinity of the initial tree impact point. No fire damage was noted on the surfaces. The left flap was destroyed by ground impact and postcrash fire. It appeared to have been in the extended position. The left aileron was segmented and destroyed. Aileron control cable continuity was traced to the forward cabin area thru separations made by ground impact tension overload and retrieval personnel making cuts to facilitate wing wreckage retrieval. Control movement was limited due to postcrash fire and impact damage at the fuselage. All fuel tanks were breached and all fuel caps were in place and closed. The main landing gear was noted to be in the extended position and separated from the wing.

The right wing was partially attached to the fuselage at the main spar. The engine nacelle inboard wing section was partially attached. It exhibited severe ground impact and postcrash fire damage. All fuel bladder tanks were breached and destroyed. The fuel caps were in place and locked. The tip tank was separated and located within the debris field. The main landing gear was attached to the wing and appeared to be in the extended position. It exhibited heat and impact damage. The inboard flap section was partially destroyed and segmented from the outboard section, which was attached to the wing panel. The aileron was attached at its hinges. The trim tab, control rod, and balance weight were still attached. The outboard wing section exhibited separation at the rivet line with aft crushing signatures evident. Aileron control cable continuity was established thru tension overload cable breaks and through-cuts made by the wreckage retrieval personnel. The autopilot roll servo bridal cables appeared to be damaged by postcrash fire damage and fuselage distortion. The flap appeared to be in the down position.

Following the on-scene documentation, the wreckage was moved to a storage facility at Fort Pierce, Florida for additional examination. All avionics units were removed and examined. All units were heavily damaged by fire, and there were no indications of pre-crash thermal damage or arcing. All aircraft wiring harnesses were removed and examined. All wires were heavily damaged by fire with the insulation burned away. There were no visible indications of pre-crash thermal damage or arcing noted. All switches, connections, and terminals were burned, and some were intact; no arcing damage was noted.

Engines

The engines were partially disassembled for a visual examination. All positional references are in relation to view from aft looking forward. Upstream and downstream references are in relation to gas path flow from the compressor inlet to exhaust.

Left Engine

The left engine was inverted, the exterior was thermally distressed, and the bottom of the exhaust duct was compressed. The propeller and the reduction gearbox were separated from the engine at the front and rear reduction gearbox mating flanges. The propeller and front reduction gearbox did not exhibit any thermal distress. The front and rear reduction gearbox mating flanges were fractured. The bottom of the exhaust duct was compressed towards the gas generator case flange. A tear was noted adjacent to the power turbine shroud.

The gas generator case was bent and compressed at the 6 o'clock position and the exterior was thermally discolored from the postcrash fire. The engine's gas path was filled with fluid from extinguishing the postcrash fire. The interior region of the gas generator case did not exhibit any evidence of any fire outside the combustion section. The airframe cabin bleed tube was removed and no abnormal staining was evident in the cabin bleed port.

The externally-mounted components of the accessory gearbox were in place and secure. The exterior of gearbox housing was thermally distressed from the postcrash fire.

The power control and reversing linkage were examined. The front linkage was in place and secure. The propeller reversing guide pin was bent and the wire rope was severed. The rear linkage was in place and secure.

The reduction gearbox chip detector was removed and no metal was noted on the magnetic poles. Some organic debris was adhered to the detector in the residual oil.

The oil filter was heat-distressed from the postcrash fire and separated into sections during removal.

The compressor's 1st, 2nd, and 3rd stage discs and blades were examined. The starter generator was removed from the accessory gearbox and the compressor was capable of some limited rotation. Mechanical continuity was established between the compressor and the accessory gearbox. The 1st stage compressor blades were viewed through the inlet and were unremarkable.

The combustion chamber liner was examined. The gas generator case was sectioned adjacent to the exhaust duct mating flange and the engine mounts to access the hot section components. The engine was filled with fluids from extinguishing the postcrash fire. The liner exhibited some compressional bending from contact with the exhaust duct and gas generator case. There was operational coking noted in the liner. There was no evidence of any fire external to the combustion chamber. The large exit duct exhibited localized oxidation but there was no evidence of any fire external to the combustion region. The small exit duct was in good condition.

The compressor turbine guide vane ring was examined. The vane airfoils were in good condition. The downstream face of the vane inner rim exhibited light rub marks from contact with the compressor turbine blades. The compressor turbine shroud exhibited a rub on one segment at the 7 o'clock position from contact with the compressor turbine blade tips.

The upstream side of the compressor turbine blade platforms had rubbed with the downstream face of the compressor turbine vane rim. The downstream face of the blade and disc fir tree region including the retention rivets were rubbed from contact with the upstream side of the power turbine vane and baffle. The outside diameter of the disc retention bolt bore exhibited rubs from contact with the center of the vane baffle. The blade tips exhibited some light rub marks from contact with their respective shroud.

The power turbine was examined. The power turbine housing was unremarkable. The power turbine guide vane ring and interstage baffle were examined. The upstream side of the inner rim of the vane and upstream face of the baffle exhibited rub marks from contact with the compressor turbine disc, rivets, and blades. The center of the baffle was rubbed and distorted from contact with the compressor turbine bolt bore diameter. The downstream side of the vane and baffle exhibited rub marks from contact with the upstream side of the power turbine blade. The center of the baffle exhibited rub marks, distortion and was fractured from contact with the outer diameter of the power turbine retention bolt bore. There were numerous gouge marks on the face of the baffle from contact with the power turbine disc. Several of the vane airfoils, the inner rim and the outer rim were fr

NTSB Probable Cause

A rapid onset of smoke and/or fire inflight for reasons that could not be determined due to the postimpact fire and the condition of the wreckage.

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