NTSB CAROL · Event
Event NYC01LA205
Registry · N56RP
FAA Aircraft Registry record.
Make / Model
AEROCAD INC COZY MKIV
Year of manufacture
2004
Engine
LYCOMING 0-320 SERIES (180 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
20040825
ADS-B equipped
Yes — Mode-S A72616
Registrant of record
PEPLINSKI ROBERT E
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
A loss of engine power due to an engine over-temperature condition, which resulted in a forced landing and subsequent collision with trees.
Factual narrative
On August 8, 2001, about 1100 eastern daylight time, a homebuilt Rans S-7, N56RP, was substantially damaged during a forced landing shortly after takeoff from a private airstrip in Sydnorsville, Virginia. The certificated private pilot was seriously injured. Visual meteorological conditions prevailed and no flight plan had been filed for the personal flight conducted under 14 CFR Part 91. The pilot was conducting his first flight in the airplane. In a written statement, the pilot said he took off from the private airstrip, circled the area three times, and then elected to fly to the New River Valley Airport, Dublin, Virginia. As the airplane began to climb, the engine water pressure dropped to zero, and the engine began to overheat. The pilot turned back toward the private airstrip; however, the engine was losing power, and the airplane was not able to maintain altitude. The pilot attempted to perform a forced landing to field; however, the airplane struck a tree prior to coming to rest in a field. The pilot added that the engine appeared to stop just prior to the impact with the tree. The wreckage was examined by a Federal Aviation Administration inspector. The airplane was equipped with an uncertificated Rotax 582 engine. The complete engine assembly was bent 90 degrees up and to the left, and the forward cockpit area was severely damaged. The composite propeller did not exhibit any damage consistent with rotation; however, the engine rotated freely, and compression was attained on both cylinders. The airplane's cooling system was impact damaged and a significant amount of engine coolant was observed on the ground. The Rotax 582 Engine Operator's Manual stated: "Danger!: This engine, by its design, is subject to sudden stoppage! Engine stoppage can result in crash landings. Such crash landings can lead to serious bodily injury or death. Never fly the aircraft equipped with this engine at locations, airspeeds, altitudes, or other circumstances from which a successful no-power landing cannot be made, after sudden engine stoppage." The manual further stated: "Warning!: This is not a certificated aircraft engine. It has not received any safety or durability testing, and conforms to no aircraft standards. It is for use in experimental, uncertificated aircraft and vehicles only in which an engine failure will not compromise safety...." The pilot was conducting his first flight in the experimental homebuilt airplane. Shortly after takeoff from a private airstrip, the engine water pressure dropped to zero, and the engine began to overheat. The pilot turned back toward the private airstrip; however, the engine was losing power, and the airplane was not able to maintain altitude. The pilot attempted to perform a forced landing to field, however, the airplane struck a tree prior to coming to rest in a field. The pilot added that the engine appeared to stop just prior to the impact with the tree. Examination of the wreckage did not reveal any pre-impact mechanical failure. The airplane's cooling system was impact damaged and a significant amount of engine coolant was observed on the ground. It was noted that the composite propeller did not exhibit any damage consistent with rotation. The airplane was equipped with a Rotax 582 engine, which was not certified for airplane use. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2001_NYC01LA205.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 or causal vocabulary (engine failure). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- arXiv 2022 · arXiv preprint
Multi-level Adaptation for Automatic Landing with Engine Failure under Turbulent Weather
This paper addresses efficient feasibility evaluation of possible emergency landing sites, online navigation, and path following for automatic landing under engine-out failure subject to turbulent wea…
- NASA NTRS 2019 · Conference Paper
Simulation of Liquid Rocket Engine Failure Propagation Using Self-Evolving Scenarios
Traditional probabilistic risk assessment approaches often require failure scenarios to be explicitly defined through event sequences that are then quantified as part of the integrated analysis.
- NASA NTRS 2019 · Conference Paper
Rocket engine failure detection using system identification techiques
The theoretical foundation and application of two univariate failure detection algorithms to Space Shuttle Main Engine (SSME) test firing data is presented.
- NASA NTRS 2019 · Conference Paper
Rocket engine failure detection using system identification techniques
The theoretical foundation and application of two univariate failure detection algorithms to Space Shuttle Main Engine (SSME) test firing data is presented.
- NASA NTRS 2019 · Technical Memorandum (TM)
A simulator investigation of engine failure compensation for powered-lift STOL aircraft
A piloted simulator investigation of various engine failure compensation concepts for powered-lift STOL aircraft was carried out at the Ames Research Center.
- Semantic Scholar 2019 · Article (AIAA Scitech 2019 Forum)
Impact of Engine Failure Constraints on the Initial Sizing of Hybrid-Electric GA Aircraft
Potential advantages of hybrid-electric aircraft are fuel savings, lower emissions, and reduced noise. Since these aircraft generally apply multiple power sources, they can also be designed to sustain…
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