N4187Q

HISTORY OF FLIGHTOn November 27, 2023, about 1748 central standard time, a Piper PA-32R-301T airplane, N4187Q, was destroyed when it was involved in an accident near Attalla, Alabama. The private pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations (CFR) Part 91 personal flight.

The pilot was on an instrument flight rules clearance from Scott Municipal Airport (SCX), Oneida, Tennessee, to H L Sonny Callahan Airport (CQF), Fairhope, Alabama.

According to FAA ADS-B data and air traffic control audio information, after takeoff the airplane proceeded toward the destination while the pilot established contact with several air traffic control facilities appropriate for the route of flight. ADS-B data indicated that after 1743:03, the airplane began a descent that was not instructed by the controller or broadcast by the pilot. At that time, the flight was about 4 nm north-northeast from the approach end of runway 18 at Northeast Alabama Regional Airport (GAD), Gadsden, Alabama, flying on a south-southwesterly track.

At 1743:35, while in contact with the South Radar position of the Birmingham Airport Traffic Control Tower, the pilot advised the controller, “I have lost um my rpm on my engine and so um I am declaring an emergency.” The controller advised the pilot that Albertville Regional Airport – Thomas J Brumlik Field (BFZ), Albertville, Alabama, was to his right at 12 miles and Birmingham-Shuttlesworth International Airport (BHM), Birmingham, Alabama, “would be twelve o’clock and about three zero miles say intentions.” ADS-B data reflected that about the time the controller provided the distances to the two airports, the airplane was actually located about 15 nm from the center of BFZ and about 45 nm from the center of BHM. Shortly after the pilot declared an emergency, the airplane turned right to a westerly track. While on that track, the pilot recognized that he was close to GAD and asked about it, but the controller advised him that the longer runway (6/24) was closed and the shorter runway (18/36) did not have any runway lights, “so that not gonna be feasible for us.” The pilot again questioned the controller about GAD and was again informed of the runway closure, and that runway 18/36 “has got work on it as well with no lights.”

At 1744:58, when the flight was about 3 nm nearly due north from the approach end of runway 18 at GAD and 15 nm east-northeast from the center of 20A, the pilot asked the controller for a heading to the “closest one” and was given vectors to 20A. The airplane remained on a westerly track until 1745:43. At that time, while flying at 3,150 ft mean sea level (msl), the airplane turned left to a south-southwesterly track. The airplane continued descending on that same track when, at 1746:04, the pilot informed the controller that the airplane was at 3,000 ft msl. About 26 seconds later, the pilot advised the controller that he did not have any airport in sight. The flight continued, and the last ADS-B target was at 1746:34, when the airplane was at 2,300 ft msl. At 1747:32, the controller advised the pilot that radar contact was lost and asked if the pilot had a nearby highway in sight, to which the pilot replied “I,” but the rest of the comment was unintelligible. At 1748:02, the pilot’s last recorded transmission advised the controller that he had a terrain warning, and the airplane was at 1,100 ft msl.

One witness, who was located about 1,083 ft north-northeast from the accident site, reported hearing an airplane flying low; the witness then heard an explosion and felt it shake the house. A second witness, who was located 2,020 ft northeast of the accident site, reported seeing a fireball after the accident.

Security cameras about 4,000 ft northwest of the accident site depicted the airplane flying from left to right, with a large fireball recorded at 1748:10. The videos did not contain sound.

The accident site was located about 3.7 nautical miles west-northwest from the center of GAD. AIRCRAFT INFORMATIONA factory-rebuilt engine equipped with a Slick by Champion model 6361 impulse coupling magneto in the left position was installed on the airplane on November 20, 2018, at airplane total time of 2214.0 hours. The magneto manufacturer called for a 500-hour inspection of the impulse coupling, as specified by Slick Service Bulletin SB1-86C. The 500-hour inspection required inspection of the impulse coupling pawl retaining rivets dimensionally and for looseness and any indications of movement.

A review of engine maintenance records revealed that on April 15, 2022, at a reported airframe total time of 3,197.9 hours (983.9 hours since engine rebuild), a 500-hour inspection of the left and right magnetos was performed. According to an electronic pilot logbook that was current as of about 5 days before the accident, the pilot had operated the airplane for about 300 hours since the 500-hour magneto inspection had been performed.

The airplane was equipped with an electrically-operated auxiliary fuel pump for use, in part, in case of failure of the engine-driven fuel pump, while the engine was equipped with two independent magnetos, each providing spark to one spark plug for each cylinder. Each magneto contained a gear retainer assembly with drive cushions and was installed onto the engine accessory case and driven by separate crankshaft idler gears. The left magneto also contained an impulse coupling, which was a mechanical device to assist in engine starting. At low cranking speed, the magneto impulse coupling would retard the magneto ignition timing and provide a brief acceleration that produced an intense spark for starting. After engine start, the impulse coupling would disengage and return the magneto to normal engine timing.

The airplane Pilot’s Operating Handbook and FAA-Approved Airplane Flight Manual checklists for loss of engine power in-flight and engine-driven fuel pump failure both instructed the pilot to turn on the electric fuel pump.

Based on pilot logbook information and ADS-B data, the airplane had been operated about 113 hours since the airplane’s last annual inspection. AIRPORT INFORMATIONA factory-rebuilt engine equipped with a Slick by Champion model 6361 impulse coupling magneto in the left position was installed on the airplane on November 20, 2018, at airplane total time of 2214.0 hours. The magneto manufacturer called for a 500-hour inspection of the impulse coupling, as specified by Slick Service Bulletin SB1-86C. The 500-hour inspection required inspection of the impulse coupling pawl retaining rivets dimensionally and for looseness and any indications of movement.

A review of engine maintenance records revealed that on April 15, 2022, at a reported airframe total time of 3,197.9 hours (983.9 hours since engine rebuild), a 500-hour inspection of the left and right magnetos was performed. According to an electronic pilot logbook that was current as of about 5 days before the accident, the pilot had operated the airplane for about 300 hours since the 500-hour magneto inspection had been performed.

The airplane was equipped with an electrically-operated auxiliary fuel pump for use, in part, in case of failure of the engine-driven fuel pump, while the engine was equipped with two independent magnetos, each providing spark to one spark plug for each cylinder. Each magneto contained a gear retainer assembly with drive cushions and was installed onto the engine accessory case and driven by separate crankshaft idler gears. The left magneto also contained an impulse coupling, which was a mechanical device to assist in engine starting. At low cranking speed, the magneto impulse coupling would retard the magneto ignition timing and provide a brief acceleration that produced an intense spark for starting. After engine start, the impulse coupling would disengage and return the magneto to normal engine timing.

The airplane Pilot’s Operating Handbook and FAA-Approved Airplane Flight Manual checklists for loss of engine power in-flight and engine-driven fuel pump failure both instructed the pilot to turn on the electric fuel pump.

Based on pilot logbook information and ADS-B data, the airplane had been operated about 113 hours since the airplane’s last annual inspection. WRECKAGE AND IMPACT INFORMATIONExamination of the accident site revealed the airplane impacted heavily wooded, mountainous terrain about 11 nm east-northeast from 20A, the airport to which the pilot was vectored. A postimpact fire started a forest fire, which burned several acres. Small fires remained burning among the wreckage throughout the on-site examination.

Further examination of the accident site revealed impact-damaged trees at decreasing heights of about a 10° slope from the first impacted tree to the resting position of the main wreckage about 220 ft away. The damage to the trees was consistent with the airplane being in a wings-level attitude on an energy path of about 190° magnetic.

Examination of the wreckage revealed the cockpit, cabin, empennage up to about 60 inches forward of the leading edge of the stabilator, and both wings were extensively damaged by postimpact fire. Both wing leading edges displayed damage consistent with tree strikes. The engine, which remained attached to the firewall by the engine mount, was upright, and the attached propeller sustained significant postimpact fire damage. No identifiable instruments, gauges, or switches were located in the cockpit.

The airframe fuel system was largely destroyed by impact forces and postimpact fire. The fuel selector valve was heavily fire damaged; although it was found in the right tank position, its preimpact position could not be determined because portions of it were missing and it was free to move. The electric fuel pump was not located.

Examination of the flight controls for roll, pitch, and yaw revealed no evidence of preimpact failure or malfunction. The stabilator trim ac...