# NTSB GAA15CA134: Quicksilver MX, Nampa, ID, June 23, 2015 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: June 22, 2015, 20:15 local (Jun 23, 2015, 02:15 UTC) - Place: Nampa, ID - Coordinates: 43.581111, -116.522781 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=43.5811&lon=-116.5228&mi=10 - Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping) - Defining event: [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report July 29, 2015 - Report: Approved by Office Director - NTSB office: General Aviation Accidents - Parties: FAA Boise FSDO - NTSB case key (mKey): 91429 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA15CA134 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/91429/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=91429 - Page: https://openairdocs.org/ntsb/GAA15CA134 ## Probable cause The student pilot's failure to maintain directional control during the takeoff roll, resulting in a runway excursion, and a collision with terrain. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Student/instructed pilot (probable cause); cases with it: [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md) - [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md) - [Object/animal/substance: debris/dirt/foreign object](https://openairdocs.org/ntsb-findings/03022055): Environmental issues › Physical environment · Contributed to outcome; cases with it: [All aircraft, 101 cases](https://openairdocs.org/ntsb-findings/03022055/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Takeoff: Runway excursion](https://openairdocs.org/ntsb-events/300); cases with it: [All aircraft, 3,643 cases](https://openairdocs.org/ntsb-events/300/sequence.md) - [Takeoff: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) - [Takeoff: Nose over/nose down](https://openairdocs.org/ntsb-events/096); cases with it: [All aircraft, 2,287 cases](https://openairdocs.org/ntsb-events/096/sequence.md) ## Analysis The student pilot reported that during the takeoff roll, in an unregistered amateur built experimental airplane, a crosswind pushed the airplane off the runway to the left. The airplane collided with a rock in a ditch and nosed over, sustaining substantial damage to the fuselage. The student pilot reported no pre-impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. ## Factual narrative The student pilot reported that during the takeoff roll, in an unregistered amateur built experimental airplane, a crosswind pushed the airplane off the runway to the left. The airplane collided with a rock in a ditch and nosed over, sustaining substantial damage to the fuselage. The student pilot reported no pre-impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. ## Aircraft - Registration: UNREG (not matched to a registry record) - Reported make and model: QUICKSILVER MX - Category: Airplane, amateur-built - Serial number: 4371 - Engines: Rotax 50 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Miguel Angel Hurtado - Registered owner: Miguel Angel Hurtado - Airworthiness certificate: Special, Experimental (Special) - Departed: MAN, Nampa, ID - Destination: MAN, Nampa, ID - Airport: MAN, Nampa Muni, runway 29, 5,000 × 75 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Student pilot; age 44; injuries: none; student; medical: class 3; seat: left; restraint: lap only ## Weather - Conditions: Visual (VMC), Day - Wind: 350° at 5 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 84 °F, dew point 36 °F - Altimeter: 29.94 inHg - Observed at: KMAN ## Docket (3 files) The files NTSB released with the investigation on July 20, 2015, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=91429. 5.2 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 1.9 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40429463&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.PDF - Record of Conversation (pilot) (item 2, .PDF, 66 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40429464&FileExtension=.PDF&FileName=Record%20of%20Conversation%20(pilot)-Master.PDF - Photo 1 – Fuselage (Photo Courtesy of FAA) (item 3, .PDF, 3.3 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40429465&FileExtension=.PDF&FileName=Photo%201%20%E2%80%93%20Fuselage%20(Photo%20Courtesy%20of%20FAA)-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.