# NTSB GAA18CA373: Cessna 180, N9130T, Kent, WA, June 20, 2018 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: June 20, 2018, 12:00 local (19:00 UTC) - Place: Kent, WA - Coordinates: 47.337223, -122.103614 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=47.3372&lon=-122.1036&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-landing roll: Nose over/nose down](https://openairdocs.org/ntsb-events/096) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report March 18, 2019 - Report: Approved by Office Director - NTSB office: General Aviation Accidents - Parties: FAA - NTSB case key (mKey): 97565 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA18CA373 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/97565/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=97565 - Page: https://openairdocs.org/ntsb/GAA18CA373 ## Probable cause The pilot’s use of excessive braking during the landing roll, which resulted in the airplane coming to rest nose down. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Landing gear system: landing gear brakes system](https://openairdocs.org/ntsb-findings/01023240): Aircraft › Aircraft systems · Incorrect use/operation (probable cause); cases with it: [Cessna 180B, 1 case](https://openairdocs.org/ntsb-findings/01023240/cases.md?model=2072606), [All aircraft, 92 cases](https://openairdocs.org/ntsb-findings/01023240/cases.md) - [Use of equip/info: use of equip/system](https://openairdocs.org/ntsb-findings/02063015): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Cessna 180B, 3 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md?model=2072606), [All aircraft, 1,391 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md) - [Performance/control parameters: surface speed/braking](https://openairdocs.org/ntsb-findings/01062045): Aircraft › Aircraft oper/perf/capability · Incorrect use/operation (probable cause); cases with it: [Cessna 180B, 2 cases](https://openairdocs.org/ntsb-findings/01062045/cases.md?model=2072606), [All aircraft, 238 cases](https://openairdocs.org/ntsb-findings/01062045/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Landing-landing roll: Miscellaneous/other](https://openairdocs.org/ntsb-events/900); cases with it: [Cessna 180B, 2 cases](https://openairdocs.org/ntsb-events/900/sequence.md?model=2072606), [All aircraft, 1,556 cases](https://openairdocs.org/ntsb-events/900/sequence.md) - [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230); cases with it: [Cessna 180B, 6 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2072606), [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) (defining event); cases with it: [Cessna 180B, 6 cases](https://openairdocs.org/ntsb-events/096/sequence.md?model=2072606), [All aircraft, 2,287 cases](https://openairdocs.org/ntsb-events/096/sequence.md) ## Analysis The pilot reported that, after touchdown, he applied "too much brake," and the tailwheel-equipped airplane came to rest in a nose-down position, the propeller struck the ground, and the airplane then came to rest vertically on its nose and right wingtip. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. ## Factual narrative The pilot reported that, after touchdown, "too much brake was applied" and the tailwheel equipped airplane nosed down, struck the propeller, and came to rest vertically on its nose and right wing tip. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. ## Aircraft - Registration: [N9130T](https://openairdocs.org/aircraft/N9130T), registered now, S/N 50630, built 1959 (OpenAirDocs) - Reported make and model: CESSNA 180 (B) - Registry model: [Cessna 180B](https://openairdocs.org/model/cessna-180b) (registry code 2072606) (OpenAirDocs) - Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 50630 - Year built: 1959 - Airframe hours: 2682.1 - Engines: CONT MOTOR O-470-K 230 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Airworthiness certificate: Standard, Normal - Last inspection: Annual, March 9, 2018 - Departed: S50, Auburn, WA - Destination: S36, Kent, WA - Flight plan: VFR - Airport: S36, Norman Grier Field, runway 15, 3,288 × 40 ft, asphalt - Equipment: Stall warning system ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 68; injuries: none; private; airplane ratings: single-engine land; medical: class 3, with waivers/limitations; last flight review November 25, 2017; seat: left; restraint: 4-point; flight hours: 1,171 total, 10 in this make and model, 1,048 as pilot in command, 16 in the last 90 days, 9 in the last 30 days - Flight instructor; age 64; injuries: none; commercial, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, with waivers/limitations; seat: right; restraint: 4-point ## Weather - Conditions: Visual (VMC), Day - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 84 °F, dew point 63 °F - Altimeter: 29.95 inHg - Observed at: KZSE, 5 nm away ## 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 20180620008299A](https://openairdocs.org/incident/20180620008299A), Jun 20, 2018: Cessna 180B, Kent, WA, Substantial damage. CFI providing certifcated student instruction on conventional landing gear equiped aircraft. On landing rollout, student applied excessive braking, causing the… ## Docket (2 files) The files NTSB released with the investigation on December 11, 2018, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=97565. 1.4 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 837 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40469258&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF - Accident Photo (item 2, .PDF, 526 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40469259&FileExtension=.PDF&FileName=Accident%20Photo-Master.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.