# NTSB CEN21LA180: Cessna 180, N1522C, Delavan, WI, April 3, 2021 - Type: NTSB accident investigation - Classification: Accident · Minor injuries · Class 4 · Limited · Final report - Date: April 3, 2021, 11:13 local (16:13 UTC) - Place: Delavan, WI - Coordinates: 42.67052, -88.716932 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=42.6705&lon=-88.7169&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing: Loss of control on ground](https://openairdocs.org/ntsb-events/230) - Highest injury: Minor injuries - Injuries: 1 minor - Status: Completed - Report: Approved by Office Director - Investigation class: Class 4 - Basic report with no Prelim publish - NTSB office: Central Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 102875 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN21LA180 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/102875/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=102875 - Page: https://openairdocs.org/ntsb/CEN21LA180 ## Probable cause The pilot’s failure to maintain control of the airplane during the landing roll with gusting crosswinds, which resulted in his excessive brake input and a subsequent nose over. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Cessna 180, 64 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2072602), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md) - [Wind: gusts](https://openairdocs.org/ntsb-findings/03034045): Environmental issues › Conditions/weather/phenomena · Response/compensation (probable cause); cases with it: [Cessna 180, 17 cases](https://openairdocs.org/ntsb-findings/03034045/cases.md?model=2072602), [All aircraft, 1,199 cases](https://openairdocs.org/ntsb-findings/03034045/cases.md) - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Cessna 180, 65 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=2072602), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Landing: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Cessna 180, 80 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2072602), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Landing-landing roll: Nose over/nose down](https://openairdocs.org/ntsb-events/096); cases with it: [Cessna 180, 29 cases](https://openairdocs.org/ntsb-events/096/sequence.md?model=2072602), [All aircraft, 2,287 cases](https://openairdocs.org/ntsb-events/096/sequence.md) - [Landing-landing roll: Other weather encounter](https://openairdocs.org/ntsb-events/400); cases with it: [Cessna 180, 16 cases](https://openairdocs.org/ntsb-events/400/sequence.md?model=2072602), [All aircraft, 1,127 cases](https://openairdocs.org/ntsb-events/400/sequence.md) ## Analysis The pilot reported that he was landing on his private grass strip in gusting crosswind conditions, when he noted the landing roll extended longer than he expected. As he approached the end of the runway, he got on the brakes “too hard” and the airplane nosed over and came to rest inverted. The airplane sustained substantial damage to both wings, both wing struts, and the vertical stabilizer. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot reported that he should have been less aggressive on the brakes. ## Aircraft - Registration: [N1522C](https://openairdocs.org/aircraft/N1522C), registered now, S/N 30222, built 1953 (OpenAirDocs) - Reported make and model: CESSNA 180 - Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs) - Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 30222 - Year built: 1953 - Airframe hours: 3769 - Engines: Continental O-470-J 225 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Hansen Robert C - Registered owner: Hansen Robert C - Airworthiness certificate: Standard, Utility - Last inspection: Annual, September 1, 2020 - Departed: JVL, Janesville, WI - Destination: Same as departure - Airport: pvt, Private, runway 18, 1,600 × 60 ft, grass/turf - Equipment: Stall warning system, Electronic flight bag or handheld device, Auto-pilot ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 80; injuries: minor; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: basicmed, with waivers/limitations; last flight review August 16, 2019; seat: left; restraint: 3-point; flight hours: 2,627 total, 349 in this make and model ## Weather - Conditions: Visual (VMC), Day - Wind: 240° at 15 knots, gusting 21 - Visibility: 10 statute miles - Temperature: 59 °F, dew point 30 °F - Altimeter: 30.07 inHg - Observed at: KJVL, 17 nm away - METAR: KJVL 031545Z 24015G21KT 10SM CLR 15/M01 A3007 ## 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 20210403005829A](https://openairdocs.org/incident/20210403005829A), Apr 3, 2021: Cessna 180, Delavan, WI, Substantial damage. Pilot was landing at home field with crosswind was on rollout with active rudder inputs. Saw runway length running out and applied brakes. Aircraft flipped… ## Docket (2 files) The files NTSB released with the investigation on July 12, 2021, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=102875. 11.0 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 7.6 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=12364649&FileExtension=pdf&FileName=6120%20-%20Pilot_Redacted-Rel.pdf - Photos (item 2, PDF, 3 pages, 3 photos, 3.4 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=12365462&FileExtension=pdf&FileName=Photos-Rel.pdf 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.