# NTSB ANC11CA054: Piper PA-18-150, N6248R, Nikiski, AK, June 23, 2011 - Type: NTSB accident investigation - Classification: Accident · Minor injuries · Data collection · Final report - Date: June 23, 2011, 09:00 local (17:00 UTC) - Place: Nikiski, AK - Coordinates: 61.043056, -151.869445 - Nearby events: https://openairdocs.org/map.md?lat=61.0431&lon=-151.8694&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: Minor injuries - Injuries: 1 minor - Status: Completed, report October 4, 2011 - Report: Approved by Office Director - NTSB office: Alaska Regional Office - Parties: FAA FSDO-03 - NTSB case key (mKey): 80882 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC11CA054 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/80882/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=80882 - Page: https://openairdocs.org/ntsb/ANC11CA054 ## Probable cause The pilot's improper use of brakes during landing. ## 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: [Piper PA-18-150, 3 cases](https://openairdocs.org/ntsb-findings/01023240/cases.md?model=7101828), [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: [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) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Landing-landing roll: Nose over/nose down](https://openairdocs.org/ntsb-events/096) (defining event); 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) ## Analysis The pilot reported that he was landing on a beach when he applied the brakes too heavily during the landing roll, and the airplane nosed over. During the nose over, the rudder and the right lift strut sustained substantial damage. The pilot said that there were no mechanical malfunctions with the airplane that would have precluded normal operation. ## Factual narrative The private pilot reported he was landing on a beach when he applied the brakes too heavily during the landing roll, and the airplane nosed over. He indicated that there were no mechanical problems with the airplane prior to the accident. During the nose over, the rudder and the right lift strut received substantial damage. ## Aircraft - Registration: [N6248R](https://openairdocs.org/aircraft/N6248R), registered now, S/N 188320 (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 0-360-A1D](https://openairdocs.org/engine/lycoming-0-360-a1d) (registry code 41504, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 188320 - Engines: LYCOMING O-360-A1D 180 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Jesse Ray - Registered owner: Jesse Ray - Airworthiness certificate: Standard, Normal - Departed: PAVB, Birchwood, AK - Destination: Nikiski, AK - Flight plan: Unknown ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 64; injuries: minor; private; airplane ratings: single-engine land, single-engine sea; medical: class 3, with waivers/limitations; seat: front; flight hours: 300 total, 300 in this make and model ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 3 statute miles ## 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 20110623012379A](https://openairdocs.org/incident/20110623012379A), Jun 23, 2011: Piper PA-18-150, Tyonek, AK, Substantial damage. While landing on mcarthur river sandbank, pilot touched down and applied the brakes over aggressively. Aircraft rotated forward contacting the propeller and… ## Other investigations on N6248R (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 LAX98LA230](https://openairdocs.org/ntsb/LAX98LA230), Jul 12, 1998: Piper PA-18-150 (N6248R), Hyampom, CA, substantial damage. Probable cause: Inadequate annual inspection that resulted in a partial loss of engine power due to a missing bolt, nut, and cotter pin from the throttle/carburetor assembly. ## Docket (1 files) The files NTSB released with the investigation on August 18, 2011, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=80882. 52 KB in all. - Record of Conversation - Pilot (item 1, .PDF, 52 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40352727&FileExtension=.PDF&FileName=Record%20of%20Conversation%20-%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.