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N80Q accident description

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Crash location 29.389166°N, 100.942222°W
Reported location is a long distance from the NTSB's reported nearest city. This often means that the location has a typo, or is incorrect.
Nearest city Del Rio, TX
29.362730°N, 100.896761°W
3.3 miles away

Tail number N80Q
Accident date 26 Apr 2001
Aircraft type Cessna 402B
Additional details: None

NTSB description


On April 26, 2001, approximately 0830 central daylight time, a Cessna 402B twin-engine airplane, N80Q, owned and operated by Texas Air Charters Inc., of Denton, Texas, was destroyed upon impact with the ground following a loss of control while on final approach to runway 13 at the Del Rio International Airport, near Del Rio, Texas. The instrument rated commercial pilot, who was the sole occupant of the airplane, was fatally injured. Visual meteorological conditions prevailed and an instrument flight plan was filed for the 14 Code of Federal Regulations Part 135 domestic cargo flight. The flight originated from the San Antonio International Airport (SAT) at 0745.

The pilot of N80Q reported on the Del Rio airport control tower radio frequency that he was 7 miles to the east, intending to land on runway 13. The pilot of another airplane (N4618V), who was executing multiple touch and go landings on runway 13, offered to vacate the pattern to allow N80Q to land. The pilot of N80Q then reported that he would circle the airport a few times "because he was having trouble with his autopilot." After circling, the pilot entered a final approach to runway 13.

The pilot of N4618V stated that she observed the accident airplane on a "one to two mile final, in a normal flight attitude but possibly a little low." After looking at her instruments for several seconds, she made visual contact again and observed the airplane impact the ground with the "tail of the aircraft falling forward on top of a fence." She further stated that all of the radio transmissions from the accident airplane were "calm and completely un-alarmed prior to the accident."

Another witness, who was located at a fixed base operation at the airport, observed the airplane turn onto final. He stated that the airplane "suddenly stalled and slammed into the ground from about two hundred feet."


The 28-year old pilot held a commercial pilot certificate with single, multi-engine, and instrument ratings. He also was a certified flight instructor. His first class medical certificate was dated January 20, 2000, and had a restriction to wear corrective lenses. According to records provided by the operator, the pilot had accumulated 1,140 flight hours as of December, 4, 2000. The operator estimated that the pilot had approximately 70 hours in the Cessna 402 at the time of the accident and had successfully completed the operator's pilot training requirements for cargo flights.


The 1978 model Cessna 402B, serial number 402B1384, had accumulated a total of 19,279 airframe hours at the time of the accident. The airplane was equipped with two Teledyne Continental TSIO-520-EB engines. The left engine, serial number 248408-R, had accumulated 216 hours since its last overhaul, and the right engine, serial number 237098-R, had accumulated 1,291 since its last overhaul. Both engines were equipped with McCauley model 3AF32C87-NR three-blade propeller assemblies. The last 100-hour inspection of the aircraft was completed by the operator on April 22, 2001, at 19,269 airframe hours.

Maintenance records provided by the operator showed that the right elevator assembly was replaced during the last 100-hour inspection due to "buckling and oil canning."

The operator reported that the airplane was loaded with 920 pounds of cargo prior to its departure from San Antonio for the flight to Del Rio. The airplane was found to be within its prescribed weight and balance limitations at the time of the accident.


The accident site was northwest of the airport, approximately 6,500 feet short of the landing threshold for runway 13 and about 200 feet to the right of the extended runway centerline. The GPS location was: north 29 degrees 23.214 minutes and west 100 degrees 56.314 minutes. The elevation, per the GPS, was 980 feet. The aircraft impacted the ground in a rural field which was relatively hard and dry. Ground impressions and airframe deformations indicated that the impact angle was approximately 25 degrees nose down on a magnetic heading of 155 degrees. The initial ground impressions correlated to the span of the wings, wing tip tanks, and the propellers. The subsequent energy (debris) path was on a bearing of about 140 degrees. The main wreckage came to rest in the inverted position about 132 feet from the initial ground impressions. The tail section came to rest inverted on a steel frame fence about 10 feet from the main wreckage. Most of the main wreckage was consumed by a post-impact fire; however, the tail section aft of the vertical fin leading edge exhibited minimal fire and impact damage. Charred remnants of the cargo aboard the airplane, mostly coupons and some small electronic devices were scattered throughout the wreckage area.

The cockpit area, cargo section, and most of the wing structure were extensively burned. The floor exhibited melted metal deposits. Flight control continuity was established from the aft section of the cockpit to the rudder and elevator flight control surfaces. The elevator trim tab (located on the right elevator) was measured with a protractor and found to be in the 28 degrees tab-up position (aircraft nose down). According to the airplane manufacturer's specifications, the maximum tab-up travel limit (when connected) is 5 degrees. The trim tab would not move freely by hand forces and appeared to be jammed. The elevator skin was cut open (top side) to observe the trim tab connecting hardware. It was observed that the clevis end of the trim tab actuator rod was wedged against the front spar of the elevator's internal structure. Additionally, the bolt, which connected the clevis end of the tab actuator rod to the actuator screw, was missing. After further inspection, neither the bolt nor the nut were found in the cavity of the elevator structure or the surrounding area. The clevis end of the actuator rod and the actuator screw were not damaged, and no impact damage was apparent on the trim tab.

The rudder actuator was found extended 2.47 inches, which equates to 5 degrees tab-left. The aileron actuator extension was 1.5 inches, which equates to 16 degrees tab-down. The main landing gear actuator was mostly consumed by fire; however, the rods and gears were found in the gear down position. The left main gear upper structure was in the gear down/locked position The flap actuator indicated that the flaps were in a partially extended position. Vortex generators were found installed near the leading edge of the vertical fin.

The left engine was found separated from the airframe against the fence near the main wreckage on the centerline of the energy path. On-site examination of the engine did not reveal any pre-impact discrepancies. The left propeller assembly was found separated from the engine. Two blades and part of the hub were found about 34 feet from the initial impact point, and 3 feet to the left of the energy path centerline. Both of these blades were found bent and twisted with some bending. The third blade was found separated from the hub about 85 feet from the initial impact point and 8 feet left of the energy path. This blade was relatively undamaged.

The right engine was found separated from the airframe about 109 feet from the initial impact point and 10 feet to the right of the center of the energy path. On-site examination of the engine did not reveal any pre-impact discrepancies. The right propeller assembly was found separated from the engine about 99 feet from the initial impact point and 22 feet right of the center of the energy path. All three blades were retained in the hub and were severely bent and twisted.

No fuel was observed at the accident site. Evidence of a ground fire surrounded the initial impact area. Both fuel selector valves were connected to the control cables, and were beyond the "OFF" stops (inward). The fuel selector handles in the cockpit were consumed by fire. All engine and flight instruments were damaged by fire. The avionics equipment was also severely fire damaged. The control head for the autopilot assembly sustained severe fire damage. The three autopilot mode switches (including the on-off switch) were found in the "OFF" position.


An autopsy of the pilot was performed at the Bexar County Medical Examiner's Office, San Antonio, Texas. No pre-existing medical conditions were found. Toxicology tests were negative for carbon monoxide, alcohol, and drugs.


The wreckage was released to the owner's representative upon completion of the field portion of the investigation.

(c) 2009-2018 Lee C. Baker / Crosswind Software, LLC. For informational purposes only.