NTSB CAROL · Event
Event FTW97LA192
Registry · N43761
FAA Aircraft Registry record.
Make / Model
PIPER PA-28R-201T
Year of manufacture
1977 · 20 years old at event
Engine
CONT MOTOR TSIO-360 SER (225 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19770815
ADS-B equipped
Yes — Mode-S A54063
Registrant of record
GEDNEY GREG MONROE
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
the pilot's failure to know and follow the emergency procedure for extending the landing gear after loss of electrical power. Factors relating to the accident were: an inoperative alternator, inadequate maintenance by the operator, a depleted battery, and inadequate pilot check out in the airplane.
Factual narrative
On May 15, 1997, at 0845 mountain daylight time, a Piper PA-28R-210T, N43761, operated by Altitudes Flight Training, Inc., as a rental, landed with the landing gear retracted at Fort Collins/Loveland Municipal Airport, Fort Collins, Colorado. The private pilot was not injured and the aircraft sustained substantial damage. Visual meteorological conditions prevailed for this personal flight conducted under Title 14 CFR Part 91 and a VFR flight plan, from Englewood, Colorado, to Torrington, Wyoming, was filed. The flight departed Centennial Airport in Englewood at 0815. According to the pilot, he rented the aircraft for the flight and the battery was too weak to conduct a start so the engine start was done using auxiliary power. The pilot said that after departure, when in the vicinity of Jefferson County Airport,(see attached map) he started to get a humming sound in his radios and could not contact Jefferson County Airport Tower. He related that he skirted the control zone and continued to fly in a northerly direction while attempting to find the problem with his radios. He then said he noticed that he had lost all electrical power. When he was flying over the Loveland-Fort Collins Airport, he said he smelled something that he interpreted to be a "hot or burning smell" and decided to land. He stated that he flew a pattern to assure "making" the runway and decided to put the landing gear down at the "last minute." A landing gear retracted landing occurred causing damage to the underside of the fuselage, inboard tips of both flaps, step, and propeller. Investigation revealed that the aircraft alternator was inoperative at the time the aircraft departed on the flight. With the alternator inoperative all electrical power was supplied by the battery and when the battery was depleted, no electric power was available. The landing gear was electric powered as were the landing gear indicators. According to the aircraft flight manual, (applicable pages attached) when a total electrical failure occurs, the landing gear must be lowered using the emergency extension feature and check list. According to the pilot, he was unaware of the emergency extension feature and was not briefed or given a check in the aircraft by the operator. The pilot operator report provided information that the pilot had accumulated 14 hours in this make and model aircraft, but had not flown it in the preceding 30 days and had flown only 2 hours in this make and model in the preceding 90 days. When the pilot attempted to start the engine of the airplane he had rented, he found that the battery strength was insufficient to effect a start, and auxiliary power was used. While en route, the battery became depleted, and there was a total loss of electrical power. The pilot elected to land the airplane at an intermediate airport. He waited until late in the approach to lower the landing gear, which was electric with electric powered indication and manual emergency features. The pilot was unaware of the emergency landing gear extension procedures and landed the airplane with the landing gear retracted. Investigation revealed the alternator was inoperative when the aircraft was rented. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1997_FTW97LA192.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 (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
From Reactive to Predictive: A hybrid Trust-Mediated Adoption Framework for Data-Driven Maintenance in Distributed-Authority Aviation Environments
Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- Semantic Scholar 2025 · Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
Low-Resource Automatic Speech Recognition Domain Adaptation – A Case-Study in Aviation Maintenance
With timeliness and efficiency being critical in the aviation maintenance industry, the need has been growing for smart technological solutions that optimize and streamline the different underlying ta…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Just Culture in Aviation: A Metaphorical Study on Aircraft Maintenance Students
Just Culture, a sub-dimension of safety culture, has been a prominent and debated topic in aviation safety in recent years.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Performance PRISM: A Comprehensive Framework For Performance Measurement In Aircraft Maintenance
Aircraft maintenance is governed by rigorous safety requirements and high operational complexity, demanding robust performance measurement frameworks to ensure optimal maintenance practices.
Browse the full corpus — academia portal ↗