NTSB CAROL · Event
Event ERA17LA287
Registry · N9155C
FAA Aircraft Registry record.
Make / Model
CESSNA R182
Year of manufacture
1978 · 39 years old at event
Engine
LYCOMING 0-540 SERIES (250 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19780615
ADS-B equipped
Yes — Mode-S ACAC48
Registrant of record
N9155C LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The improper maintenance of the landing gear system and subsequent failure of the hydraulic landing gear down return line, which resulted in a loss of hydraulic fluid and the pilot’s inability to extend and lock the main landing gear.
Factual narrative
On August 19, 2017, about 1310 eastern daylight time, a Cessna R182, N9155C, was substantially damaged during landing at Clearwater Air Park (CLW), Clearwater, Florida. The private pilot was not injured. The airplane was registered to and operated by the pilot as a Title 14 Code of Federal Regulations Part 91 personal flight. Visual meteorological conditions prevailed at the time of the accident, and no flight plan was filed for the flight that departed Tampa Executive Airport (VDF), Tampa, Florida, about 1200.According to the pilot, he performed a preflight inspection an did not note any anomalies with the airplane, nor did he notice any hydraulic leaks near the landing gear system. After takeoff, he moved the landing gear selector to the UP position and noted that the yellow landing gear up indicator illuminated. While on the downwind leg of the traffic pattern, he attempted to extend the landing gear, and while he heard the landing gear motor operating, he saw that the landing gear were hanging under the airplane and were not locked. He then departed the traffic pattern and flew over the Gulf of Mexico to assess the situation. He performed the landing gear malfunction procedures listed in the pilot operating handbook; however, the landing gear would not lock. Next, he performed several maneuvers to get the landing gear to lock in the down position but was unsuccessful. Overall, the pilot attempted to extend the landing gear for about an hour until he then maneuvered the airplane toward the airport and asked the local tower controller to look and see if the landing gear was down. The local controller could not verify that it was locked in the down position. The pilot elected to perform a gear up landing and advised the tower controller. Before contacting the runway, the pilot leaned the fuel mixture and the engine stopped producing power. After landing, the pilot determined that the nose landing gear was down and locked, therefore, he tried to maintain directional control of the airplane. After the airplane came to rest on the runway, he turned off the ignition, master switch, and pulled the fuel shutoff valve. He then egressed the airplane without injury. A Federal Aviation Administration (FAA) inspector who responded to the accident site stated that the left horizontal stabilizer was substantially damaged. An examination of the hydraulic system revealed that there was no hydraulic fluid in the reservoir. The airplane was placed on jacks and serviced with hydraulic fluid. The landing gear lever was moved in the cockpit to retract the landing gear, however the landing gear did not move. The FAA inspector noted that hydraulic fluid was leaking from the forward underside section of the fuselage. Further examination revealed that the hydraulic fluid was leaking from the landing gear down return line. The rubber hose was removed, and a leak was noted at the sleeve of the hydraulic line. According to FAA records, the airplane was manufactured in 1978. It was equipped with a Lycoming O-540-J3C5D, a 235-hp, engine. According to the airframe maintenance logbook, the most recent annual inspection was performed on September 1, 2016, at a total time of 6150.9 hours. Examination of the maintenance logbooks by FAA inspectors revealed that there was no entry in the airframe log about a replacement or any maintenance performed on the landing gear down return line. According to the pilot operating handbook, "to retract or extend the landing gear, pull out on the gear lever and move it to the desired position. After the lever is positioned, the power pack will create pressure in the system and actuate the landing gear to the selected position. During normal cycle, the gear retracts fully or extends and locks, limit switches close, and the indicator light comes on (amber for up and green for down) indicating completion of the cycle. After indicator light illumination, the power pack will continue to run until the fluid pressure reaches 1500 PSI, opens the pressure switch, and turns the power pack off. Whenever fluid pressure in the system drops below 1000 PSI, the pressure switch will close and start power pack operation, except when the nose gear safety (squat) switch is open." According the manufacturer's service manual, the landing gear hydraulic system was to be checked for leaks and external damage to components or mounting structure every 100 hours. In addition, an overhaul of the landing gear system selector valve, emergency hand pump, and pressure switch was to take place every 5 years. Furthermore, all the rubber parts of the landing gear system, including the rubber landing gear down return line, were to be replaced every 5 years. The private pilot stated that he performed a preflight inspection of the airplane and did not notice any hydraulic leaks near the landing gear system. After takeoff, he retracted the landing gear and noted that the amber landing gear "UP" indicator had illuminated. While on the downwind leg of the traffic pattern, the pilot attempted to extend the landing gear, but they did not extend completely and lock. He then departed the traffic pattern and performed the landing gear malfunction procedures in the pilot operating handbook to no avail. Next, he performed several maneuvers to lock the landing gear in the down position for about 1 hour but was unsuccessful and chose to return to the airport and perform a gear-up landing. After landing, the pilot tried to maintain directional control of the airplane; it came to rest on the runway and sustained substantial damage to the left horizontal stabilizer. Postaccident examination of the hydraulic system revealed that there was no hydraulic fluid in the reservoir and that hydraulic fluid was leaking from the rubber landing gear down return line. The line was removed, and a leak was noted. The airframe manufacturer's service manual indicated that all rubber parts in the landing gear system, which includes the rubber landing gear down return line, should be replaced every 5 years. Examination of the airplane's maintenance records revealed that there were no maintenance entries related to servicing or replacing that line. Because the landing gear down return line was improperly maintained and was never replaced, it is likely that the line failed and leaked hydraulic fluid, depleting the amount of fluid needed for the landing gear system to maintain hydraulic pressure to extend and lock the main landing gear. 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 Aircraft-Aircraft systems-Landing gear system-Gear extension and retract sys-Incorrect service/maintenance - C
- C Aircraft-Aircraft systems-Landing gear system-Gear extension and retract sys-Failure - C
- C Personnel issues-Task performance-Maintenance-Scheduled/routine maintenance-Maintenance personnel - C
Verbatim from NTSB's published report. Source file
NTSB_2017_ERA17LA287.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
Beyond the agency record
Search this event elsewhere.
Pre-filled searches into the sources where news + community discussion of aviation events lives. External sources are reported, not agency. Treat them as signal that something happened, not as fact about what happened.
Entity-clustered aviation events in the press — last 24 hr + 30-day archive.
Official agency record + docket.
Investigative docket: factual reports, photos, transcripts.
Long-running aviation incident database (Flight Safety Foundation).
Community NTSB synthesis blog — often has photos and witness reports.
Gold-standard aviation incident blog.
Aviation industry news search.
GA pilot forum — informed but rumor-prone.
GA pilot subreddit search.
Tail-number page — flight history (free tier limited).
AOPA Air Safety Institute search.
Mainstream press coverage. Recent events only.
Privacy-preserving news search.
External links open in a new tab. We don't ingest their content; we deep-link search queries.
Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (icing, 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 2023 · Faculty research project
Reconfigurable Guidance and Control Systems for Emerging On-Orbit Servicing, Assembly, and Manufacturing (OSAM) Space Vehicles
Dynamic response to emergent situations is a necessity in the on-orbit servicing, assembly, and manufacturing (OSAM) field, because traditional on-orbit guidance and control (G&C) cannot respond effic…
- Embry-Riddle Scholarly Commons 2019 · Journal article (IJAAA)
Satellite Maintenance: An Opportunity to Minimize the Kessler Effect
Recently, there has been an emphasis on the growing problem of orbital debris. While the advantages of placing satellites into space are numerous, advances in satellite technology combined with the gr…
- Embry-Riddle Scholarly Commons 2015 · Conference paper
The Implementation of Safety Management Systems in Maintenance Operations
Literature for Safety Management Systems (SMS) that apply to flight operations is abundant, but there is a limited supply of SMS-related literature for maintenance operations.
- 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…
- 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…
Browse the full corpus — academia portal ↗