NTSB CAROL · Event
Event WPR13LA113
Aircraft involved
Probable cause & findings
The loss of engine power for reasons that could not be determined because postaccident examination did not reveal any abnormalities that would have precluded normal operation.
Factual narrative
On February 2, 2013 about 1630 mountain standard time, a Cessna 172M, N1421V, was substantially damaged during a forced landing on rough terrain in the Aravaipa Canyon, 26 miles north-northwest of Wilcox, Arizona. The pilot and 3 passengers were not injured. The airplane was registered to and operated by the pilot under the provisions of 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed for the flight, and no flight plan was filed. The accident occurred during the last leg of a multi-leg cross country flight that originated from Globe, Arizona, at 1500 with a planned destination of Benson Municipal Airport, Benson, Arizona.The pilot reported in a written statement to the National Transportation Safety Board (NTSB) that about 2,000 feet above ground level, the engine suddenly lost power. He switched the fuel selector handle from the “Both” position to the “Right” tank position, since the right wing fuel gauge indicated about half a tank. Despite his efforts, the pilot could not restart the engine and he initiated a forced landing onto rough terrain. The nose landing gear dug into the terrain during the landing roll and the airplane nosed over. The pilot further stated that he had about 12 gallons of fuel in the left tank and 18 gallons of fuel in the right tank prior to departure. The airplane wreckage was removed from the accident site and transported to a secure facility for examination. According to the recovery team, both wing fuel tanks were found empty and soil underneath the wings was saturated with fuel. The recovered engine and airframe were examined by representatives from the Federal Aviation Administration and the NTSB investigator-in-charge. Examination of the airplane revealed the empennage section, fuselage and wings were buckled and the vertical stabilizer and rudder were crushed downward. The airframe fuel system was examined and no anomalies were noted. The engine was prepared for a test run on the airframe. The engine ran smoothly for several minutes. The examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. See the Examination Report in the public docket for further information. The pilot reported that during a cross-country flight, the engine lost power. Despite his efforts, the pilot was unable to restart the engine and initiated a forced landing in rough terrain. During the off airport landing, the airplane nosed over. Postaccident examination of the airframe fuel system and engine run revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- C Not determined-Not determined-(general)-(general)-Unknown/Not determined - C
- — Environmental issues-Physical environment-Terrain-Rough terrain-Not specified
Verbatim from NTSB's published report. Source file
NTSB_2013_WPR13LA113.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2019 · Conference Paper
Crash Testing and Simulation of a Cessna 172 Aircraft: Pitch Down Impact Onto Soft Soil
During the summer of 2015, NASA Langley Research Center conducted three full-scale crash tests of Cessna 172 (C-172) aircraft at the NASA Langley Landing and Impact Research (LandIR) Facility.
- NASA NTRS 2019 · Technical Memorandum (TM)
Simulating the Impact Response of Three Full-Scale Crash Tests of Cessna 172 Aircraft
During the summer of 2015, a series of three full-scale crash tests were performed at the Landing and Impact Research Facility located at NASA Langley Research Center of Cessna 172 aircraft.
- Embry-Riddle Scholarly Commons 2023 · Conference paper
Validation of Training Satisfaction Survey
The Training Satisfaction Survey (TSS) was developed as part of a larger project to examine the features of Virtual Reality software and supporting devices as a training program on visual illusions an…
- Semantic Scholar 2021 · Article (Data in Brief)
Cockpit voice recorder transcript data: Capturing safety voice and safety listening during historic aviation accidents
Cockpit Voice Recorder (CVR) transcripts capture audio data within cockpit environments. This aids the investigation of causal factors contributing to aviation accidents by revealing communication and…
- Semantic Scholar 2021 · Article (Safety Science)
Safety voice and safety listening during aviation accidents: Cockpit voice recordings reveal that speaking-up to power is not enough
Abstract Safety voice is theorised as an important factor for mitigating accidents, but behavioural research during actual hazards has been scant.
- Embry-Riddle Scholarly Commons 2021 · Journal article (JAAER)
Can Backward-Chained, Ab-Initio Pilot Training Decrease Time to First Solo?
Flight simulation has made progressively significant inroads into pilot training at all levels of a pilot’s career – typically starting with training for the Instrument rating in light aircraft and co…
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