NTSB CAROL · Event
Event DEN00LA097
Registry · N8303P
FAA Aircraft Registry record.
Make / Model
PIPER PA-44-180T
Year of manufacture
1980 · 20 years old at event
Engine
LYCOMING T0-360 SER (210 hp)
Seats / Engines
4 seats · 2 engines
Last airworthiness date
19801209
ADS-B equipped
Yes — Mode-S AB5B29
Registrant of record
KH AND G LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
In-flight planning and decision by the flight instructor by allowing the student to fly into a hazardous situation. Factors were the flight instructor delaying extending the landing gear and delaying a go-around.
Factual narrative
On May 30, 2000, at 1640 mountain daylight time, a Piper PA-44-180T, N8303P, landed with the landing gear retracted at Centennial Airport, Englewood, Colorado. The certified flight instructor pilot and private certificated student pilot were not injured and the aircraft sustained substantial damage. Aspen Flying Club, under Title 14 CFR Part 91, was operating the local area instructional flight and no flight plan was filed. Visual meteorological conditions prevailed. According to information provided by the flight instructor, the flight had been airborne approximately 2 hours, and the student pilot was practicing an engine out approach. The flight instructor said he realized on final that the student had failed to extend the landing gear and the flight instructor initiated a go-around. The engines failed to respond and a landing gear retracted landing was made in the grass on the left side of runway 35L. According to information provided by Centennial Airport Federal Aviation Administration (FAA) control tower personnel, the controller asked the pilot to "verify gear down" when the aircraft was on short final to land. The pilot replied that he was initiating a "go-around" and the aircraft settled on to the ground. An FAA airworthiness inspector examined airframe and engines. The propellers and underside of the aircraft hull sustained damage. No evidence was found of engine failure or malfunction. During an instructional flight, while practicing an engine out approach to land, the student pilot failed to lower the landing gear. The tower asked the pilot to 'verify gear down' and the flight instructor initiated a go-around on short final. The aircraft settled and landed with the landing gear retracted on the grass beside the runway causing damage to the propellers and underside of the aircraft hull. The flight instructor said the engines failed to respond; however, an examination of the engines by an FAA airworthiness inspector produced no evidence of preimpact malfunction or failure. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2000_DEN00LA097.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 (icing, engine failure, go-around). 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 2026 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Mathematical Model on the Temporal Dynamics of Aviation Competitive Pricing
This study investigates the competitive dynamics of airport pricing using U.S. airport data to validate the findings. It employs linear and nonlinear ordinary differential equation models to analyze t…
- NASA NTRS 2025 · Conference Paper
A Training Study to Improve Monitoring During A Go-Around
As part of an FAA program to improve go-around (GA) safety, we were asked to determine if we could improve the performance of the Pilot Monitoring (PM) during a GA maneuver.
- NASA NTRS 2025 · Presentation
NASA Icing Update – March 2025
This NASA Icing Update was prepared for presentation to the SAE International AC-9C Inflight Icing Technology Committee. This update includes the following topics: planned Rotational Icing Scaling tes…
- arXiv 2024 · arXiv preprint
An energy-stable phase-field model for droplet icing simulations
A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated ana…
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