# NTSB GAA19CA526: Pietenpol Pietenpol Aircamper, N14961, Glendo, WY, September 5, 2019 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: September 5, 2019, 09:00 local (15:00 UTC) - Place: Glendo, WY - Coordinates: 42.52, -105.019996 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=42.5200&lon=-105.0200&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: No injuries - Injuries: 1 uninjured - Status: Completed, report March 17, 2020 - Report: Approved by Office Director - NTSB office: General Aviation Accidents - Parties: FAA - NTSB case key (mKey): 100201 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA19CA526 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/100201/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=100201 - Page: https://openairdocs.org/ntsb/GAA19CA526 ## Probable cause The pilot's overapplication of brakes during the landing roll, which resulted in a noseover. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Landing gear system: brake](https://openairdocs.org/ntsb-findings/01023242): Aircraft › Aircraft systems · Incorrect use/operation (probable cause); cases with it: [English PIETENPOL AIRCAMPER, 1 case](https://openairdocs.org/ntsb-findings/01023242/cases.md?model=7040304), [All aircraft, 297 cases](https://openairdocs.org/ntsb-findings/01023242/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: [English PIETENPOL AIRCAMPER, 1 case](https://openairdocs.org/ntsb-findings/02063015/cases.md?model=7040304), [All aircraft, 1,391 cases](https://openairdocs.org/ntsb-findings/02063015/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: [English PIETENPOL AIRCAMPER, 1 case](https://openairdocs.org/ntsb-events/230/sequence.md?model=7040304), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Landing: Nose over/nose down](https://openairdocs.org/ntsb-events/096); cases with it: [English PIETENPOL AIRCAMPER, 1 case](https://openairdocs.org/ntsb-events/096/sequence.md?model=7040304), [All aircraft, 2,287 cases](https://openairdocs.org/ntsb-events/096/sequence.md) - [Landing: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [English PIETENPOL AIRCAMPER, 1 case](https://openairdocs.org/ntsb-events/470/sequence.md?model=7040304), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The pilot reported that, during the landing roll, he applied "too much brake" and that the airplane then nosed over. The airplane sustained substantial damage to the forward right and left lift struts. 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 of the tailwheel equipped airplane reported that, during the landing roll, he applied "too much brake" and the airplane nosed over and impacted terrain. The airplane sustained substantial damage to the both forward right and left lift struts. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. ## Aircraft - Registration: [N14961](https://openairdocs.org/aircraft/N14961), registered now, S/N P101SE, built 1975 (OpenAirDocs) - Reported make and model: Pietenpol PIETENPOL AIRCAMPER (No Series) - Registry model: [English PIETENPOL AIRCAMPER](https://openairdocs.org/model/english-pietenpol-aircamper) (registry code 7040304) (OpenAirDocs) - Registry engine: [Corvair GO-140](https://openairdocs.org/engine/corvair-go-140) (registry code 18001, reciprocating) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: P101SE - Year built: 1975 - Airframe hours: 468.6 - Engines: General Motors Corvair 140HP 110 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Condition, August 9, 2019 - Departed: CPR, Casper, WY - Destination: 76V, Glendo, WY - Flight plan: VFR - Airport: 76V, Thomas Memorial, runway 34, 4,397 × 70 ft, dirt - Equipment: Handheld GPS ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 60; injuries: none; private; airplane ratings: single-engine land; medical: class 3, with waivers/limitations; last flight review September 2, 2019; seat: rear; restraint: 3-point; flight hours: 839 total, 46 in this make and model, 737 as pilot in command, 6 in the last 90 days, 6 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Visibility: 10 statute miles - Temperature: 63 °F, dew point 37 °F - Altimeter: 30.07 inHg - Observed at: KDGW, 23 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 20190905020729A](https://openairdocs.org/incident/20190905020729A), Sep 5, 2019: English PIETENPOL AIRCAMPER, Glendo, WY, Substantial damage. Pilot began a wheel landing, touched down and on roll out pressed on the brakes to slow his speed. Pilot applied too much braking action and the aircraft nosed… ## Other investigations on N14961 (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 CHI91DEP11](https://openairdocs.org/ntsb/CHI91DEP11), Jul 27, 1991: English Pietenpol Aircamper (N14961), Brodhead, WI, substantial damage. Probable cause: EROSION OF AN EXHAUST VALVE. ## Docket (2 files) The files NTSB released with the investigation on January 22, 2020, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=100201. 2.1 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=40480141&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF - Accident Photo (item 2, .PDF, 236 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40480142&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.