# NTSB WPR13CA202: CubCrafters CC11-160, N924JS, Mesa, AZ, April 19, 2013 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: April 19, 2013, 11:30 local (18:30 UTC) - Place: Mesa, AZ - Coordinates: 33.45639, -111.723609 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=33.4564&lon=-111.7236&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report August 13, 2013 - Report: Approved by Office Director - NTSB office: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 86674 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR13CA202 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/86674/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=86674 - Page: https://openairdocs.org/ntsb/WPR13CA202 ## Probable cause The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop. ## 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: [Cubcrafters CC11-160, 14 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=060006N), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md) - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Cubcrafters CC11-160, 13 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=060006N), [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-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Cubcrafters CC11-160, 11 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=060006N), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) ## Analysis The pilot reported that upon touchdown in the tailwheel-equipped airplane, his application of right rudder control was too aggressive and the airplane ground looped. The airplane sustained substantial damage to the left wing, aileron, and elevator. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. ## Factual narrative The pilot reported that during an instructional flight in the tailwheel equipped airplane, upon touchdown, his application of right rudder control was too aggressive and the airplane subsequently ground looped. The airplane sustained substantial damage to the left wing, aileron, and elevator. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. ## Aircraft - Registration: [N924JS](https://openairdocs.org/aircraft/N924JS), registered now, S/N CC11-00253, built 2013 (OpenAirDocs) - Reported make and model: CubCrafters Inc CC11-160 - Registry model: [Cubcrafters CC11-160](https://openairdocs.org/model/cubcrafters-cc11-160) (registry code 060006N) (OpenAirDocs) - Registry engine: [Cubcrafter CC340](https://openairdocs.org/engine/cubcrafter-cc340) (registry code 18050, 4 cycle) (OpenAirDocs) - Category: Airplane - Serial number: CC11-00253 - Airframe hours: 35 - Engines: Club Crafters Inc. CC340 180 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Airworthiness certificate: Special, Special light-sport (Special) - Last inspection: Annual, February 1, 2013, 35 hours before - Departed: FFZ, Mesa, AZ - Destination: FFZ, Mesa, AZ - Flight plan: Unknown - Airport: FFZ, Falcon Field Airport, runway 04, 5,101 × 100 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 68; injuries: none; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, with waivers/limitations; last flight review November 20, 2012; seat: front; flight hours: 650 total, 25 in this make and model, 575 as pilot in command, 25 in the last 90 days, 10 in the last 30 days, 6 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 350° at 5 knots - Visibility: 40 statute miles - Temperature: 72 °F, dew point -2 °F - Altimeter: 30.13 inHg - Observed at: FFZ ## 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 20130419005729A](https://openairdocs.org/incident/20130419005729A), Apr 19, 2013: Cubcrafters Inc CC11-160, Mesa, AZ, Substantial damage. The pilot in command was with an instructor and practicing take offs and landings, along with various other air work. Several landings were made at various… ## Other investigations on N924JS (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 WPR14CA082](https://openairdocs.org/ntsb/WPR14CA082), Dec 29, 2013: Cubcrafters CC11-160 (N924JS), Roberts, MT, substantial damage. Probable cause: The pilot's selection of unsuitable terrain during taxi, which resulted in a loss of directional control. ## Docket (1 files) The files NTSB released with the investigation on June 6, 2013, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=86674. 1.1 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 1.1 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40392582&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.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.