# NTSB GAA16CA287: Piper PA 18, N82057, Palmer, AK, May 27, 2016 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: May 27, 2016, 11:00 local (19:00 UTC) - Place: Palmer, AK - Coordinates: 61.179721, -148.693054 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=61.1797&lon=-148.6931&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: 1 uninjured - Status: Completed, report July 14, 2016 - Report: Approved by Office Director - NTSB office: General Aviation Accidents - Parties: FAA - NTSB case key (mKey): 93335 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA16CA287 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/93335/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=93335 - Page: https://openairdocs.org/ntsb/GAA16CA287 ## Probable cause The pilot's incorrect brake application during the landing roll, which resulted in a nose over. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [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: [Piper PA-18-150, 14 cases](https://openairdocs.org/ntsb-findings/01062045/cases.md?model=7101828), [All aircraft, 238 cases](https://openairdocs.org/ntsb-findings/01062045/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: [Piper PA-18-150, 20 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md?model=7101828), [All aircraft, 1,391 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md) - [Runway/land/takeoff/taxi surface: soft surface](https://openairdocs.org/ntsb-findings/03023020): Environmental issues › Physical environment · Effect on equipment; cases with it: [Piper PA-18-150, 10 cases](https://openairdocs.org/ntsb-findings/03023020/cases.md?model=7101828), [All aircraft, 264 cases](https://openairdocs.org/ntsb-findings/03023020/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: [Piper PA-18-150, 109 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=7101828), [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: [Piper PA-18-150, 83 cases](https://openairdocs.org/ntsb-events/096/sequence.md?model=7101828), [All aircraft, 2,287 cases](https://openairdocs.org/ntsb-events/096/sequence.md) - [Landing-landing roll: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Piper PA-18-150, 115 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=7101828), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The pilot reported that he was practicing off airport landings on a soft gravel strip. The pilot further reported that during the landing roll, he applied excessive brake and the airplane nosed over. The airplane sustained substantial damage to the right forward lift strut and empennage. The pilot reported that there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. ## Factual narrative The pilot reported that he was practicing off airport landings on a soft gravel strip. The pilot further reported that during the landing roll, he applied excessive brake and the airplane nosed over. The airplane sustained substantial damage to the right forward lift strut and empennage. The pilot reported that there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. ## Aircraft - Registration: [N82057](https://openairdocs.org/aircraft/N82057), registered now, S/N 18-7809120, built 1978 (OpenAirDocs) - Reported make and model: PIPER PA 18 (150) - Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 18-7809120 - Year built: 1978 - Airframe hours: 3426 - Engines: LYCOMING O-320 SERIES 160 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Standard, Utility; Standard, Normal - Last inspection: Annual, May 9, 2016 - Departed: Palmer, AK - Destination: Palmer, AK - Equipment: None ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 55; injuries: none; commercial; airplane ratings: single-engine sea, single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, with waivers/limitations; last flight review February 21, 2015; seat: front; restraint: 4-point; flight hours: 720 total, 151 in this make and model, 606 as pilot in command, 44 in the last 90 days, 10 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: 170° at 3 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 61 °F, dew point 43 °F - Altimeter: 30.04 inHg - Observed at: PAAQ, 25 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 20160527007969A](https://openairdocs.org/incident/20160527007969A), May 27, 2016: Piper PA-18-150, Palmer, AK, Substantial damage. Airman departed mri on 05/27/2016. He traveled to the lake george area to practice landings. He had done five landings previous to the accident, four of those… ## Other investigations on N82057 (2) 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 ANC09CA054](https://openairdocs.org/ntsb/ANC09CA054), Jun 7, 2009: Piper PA-18-150 (N82057), Tyonek, AK, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for landing. - [NTSB ANC08LA101](https://openairdocs.org/ntsb/ANC08LA101), Aug 7, 2008: Piper PA-18 (N82057), Tyonek, AK, substantial damage. Probable cause: The pilot's excessive speed and excessive application of brakes during the landing roll on soft, sandy terrain. ## Docket (2 files) The files NTSB released with the investigation on July 11, 2016, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=93335. 3.0 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 2.5 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40442223&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF - Accident Photo (Courtesy of Pilot) (item 2, .PDF, 1 photo, 489 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40442224&FileExtension=.PDF&FileName=Accident%20Photo%20(Courtesy%20of%20Pilot)-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.