# NTSB FTW00LA002: Cessna 210L, N2157S, Fayetteville, AR, October 1, 1999 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: October 1, 1999, 15:30 local (20:30 UTC) - Place: Fayetteville, AR - Coordinates: 36.07064, -94.149436 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=36.0706&lon=-94.1494&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report January 18, 2001 - Report: Approved by Office Director - NTSB case key (mKey): 47515 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW00LA002 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/47515/pdf - Page: https://openairdocs.org/ntsb/FTW00LA002 ## Probable cause The cause of the right main gear collapse was undetermined. A factor was the failure of the gear 'down & locked' switch resulting in a false 'down & locked' indication in the cockpit. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Main gear collapsed, landing - flare/touchdown - reason for occurrence undetermined (cause) - landing gear,gear switch - failure (contributing factor) - landing gear,gear indicating system - failure ## Analysis The pilot stated that he was cleared to land. He extended the landing gear on 1/2 mile final, and he 'heard the gear lock into position.' He added that he then visually checked to see that the gear was extended and confirmed this by noting the illuminated green light in the cockpit. Upon touchdown, a noise was heard, and the right main landing gear collapsed. The airplane exited the runway surface and came to rest in a grassy area. Examination of the landing gear system revealed that the right main gear down lock switch failed in the 'closed' or 'down locked' position. Furthermore, 'dried paint stripper and paint' were observed around the plunger portion of the switch, which prevented the plunger from extending. ## Factual narrative On October 1, 1999, at 1530 central daylight time, a Cessna 210L airplane, N2157S, was substantially damaged when the right main gear collapsed upon landing at the Northwest Arkansas Regional Airport, near Fayetteville, Arkansas. The non-instrument rated private pilot and his passenger were not injured. The airplane was registered to and operated by the pilot. Visual meteorological conditions prevailed for the 14 Code of Federal Regulations Part 91 personal flight and a flight plan was not filed. The cross-country flight originated from the Sally Wofford Airport, Weiner, Arkansas, at 1300. According to the pilot, when the airplane was 5 miles from the destination airport in Fayetteville, he was cleared to land on runway 16. He extended the landing gear while on a 1/2 mile final. He "heard the gear lock into position," and then visually confirmed that the landing gear had extended. Furthermore, the green light in the cockpit illuminated, confirming that the gear was extended. Upon touchdown, a noise was heard, and the passenger stated, "I think we had a blowout." The right wing tip contacted the pavement, and the airplane exited the runway surface to the right of the runway centerline. The airplane came to rest upright in a grassy area adjacent to the runway. Examination of the airplane, by an FAA certified mechanic revealed that the right horizontal stabilizer and elevator were "severely bent in an upward direction." The outboard leading edge skin and two nose ribs of the right wing were structurally damaged. Additionally, the tail tie down ring and two antennas mounted on the belly were damaged. The mechanic stated that the right main gear down lock switch (Cessna part number S1377-1) failed in the "closed" or "down locked" position. "Dried paint stripper and paint" were observed around the plunger portion of the switch, which prevented the plunger from extending. ## Aircraft - Registration: [N2157S](https://openairdocs.org/aircraft/N2157S), registered now, S/N 21061118, built 1975 (OpenAirDocs) - Reported make and model: Cessna 210L - Registry model: [Cessna 210L](https://openairdocs.org/model/cessna-210l) (registry code 2073448) (OpenAirDocs) - Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 21061118 - Airframe hours: 2959 - Engines: Continental IO-520 300 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Steve P. Carpenter - Airworthiness certificate: Standard, Normal - Departed: 8M2, WEINER, AR - Airport: XNA, Northwest Arkansas Rgnl, runway 16, 8,800 × 150 ft, concrete ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 45; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 900 total, 200 in this make and model, 900 as pilot in command ## Weather - Conditions: Visual (VMC), Day - Wind: 180° at 15 knots, gusting 20 - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 75 °F - Altimeter: 30.00 inHg ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19991001044149A](https://openairdocs.org/incident/19991001044149A), Oct 1, 1999: Cessna 210L, Fayetteville, AR, No damage. (-23) During a normal approach and landing, the right main landing gear collpsed during touchdown. ## Other investigations on N2157S (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB CEN10LA389](https://openairdocs.org/ntsb/CEN10LA389), Jul 9, 2010: Cessna 210 (N2157S), Houston, TX, substantial damage. Probable cause: The failure of a hydraulic fluid line, which caused a loss of hydraulic pressure to the landing gear extension system and resulted in the partial collapse of the right main landing gear during… From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.