# NTSB ANC22LA052: Piper PA-18-150, N2588P, Cordova, AK, July 6, 2022 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: July 5, 2022, 17:00 local (Jul 6, 2022, 01:00 UTC) - Place: Cordova, AK - Coordinates: 60.04746, -147.36492 - Nearby events: https://openairdocs.org/map.md?lat=60.0475&lon=-147.3649&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing: Aerodynamic stall/spin](https://openairdocs.org/ntsb-events/241) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed - Report: Approved by Office Director - Investigation class: Class 4 - Basic report with no Prelim publish - NTSB office: Alaska Regional Office - Parties: FAA - NTSB case key (mKey): 105435 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC22LA052 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/105435/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=105435 - Page: https://openairdocs.org/ntsb/ANC22LA052 ## Probable cause The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering for landing, which resulted in an aerodynamic stall and impact 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 · Pilot (probable cause); cases with it: [Piper PA-18-150, 160 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=7101828), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md) - [Performance/control parameters: angle of attack](https://openairdocs.org/ntsb-findings/01062042): Aircraft › Aircraft oper/perf/capability · Capability exceeded (probable cause); cases with it: [Piper PA-18-150, 10 cases](https://openairdocs.org/ntsb-findings/01062042/cases.md?model=7101828), [All aircraft, 990 cases](https://openairdocs.org/ntsb-findings/01062042/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Landing: Aerodynamic stall/spin](https://openairdocs.org/ntsb-events/241) (defining event); cases with it: [Piper PA-18-150, 11 cases](https://openairdocs.org/ntsb-events/241/sequence.md?model=7101828), [All aircraft, 1,529 cases](https://openairdocs.org/ntsb-events/241/sequence.md) ## Analysis The pilot reported that she and the passenger departed from a beach, but after taking off, the pilot determined that the weather in the intended direction of flight was not favorable, and she chose to return to the beach to land. While maneuvering onto final approach, the left wing stalled and the airplane descended into the beach, resulting in substantial damage to the left wing. The pilot reported there were no mechanical malfunctions or anomalies with the airplane. ## Aircraft - Registration: [N2588P](https://openairdocs.org/aircraft/N2588P), registered now, S/N 18-4332, built 1955 (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: 18-4332 - Year built: 1955 - Engines: Lycoming O-320 160 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Okonek Kellie L - Registered owner: Okonek Kellie L - Airworthiness certificate: Standard, Normal - Last inspection: Annual, June 1, 2022 - Destination: PAQY, Girdwood, AK - Equipment: Satellite tracking device, Handheld GPS ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 42; injuries: none; private; airplane ratings: single-engine land; medical: class 3, without waivers/limitations; last flight review May 31, 2021; seat: front; flight hours: 608 total, 551 in this make and model, 550 as pilot in command, 60 in the last 90 days, 31 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: 200° at 6 knots - Visibility: 10 statute miles - Lowest ceiling: 1,100 ft overcast - Temperature: 61 °F, dew point 55 °F - Altimeter: 29.97 inHg - Observed at: PACV, 74 nm away - METAR: METAR PACV 060053Z 20006KT 10SM OVC011 16/13 A2997 RMK AO2 SLP148 T01610133= ## 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 20220705011829A](https://openairdocs.org/incident/20220705011829A), Jul 5, 2022: Piper PA-18-150, Montague Isl, AK, Substantial damage. On 07/05/2022 at approximatley 05:00 pm PIC departed from a beach on the west coast of Montague island. Shorlty after departing the PIC determined the weather… ## Other investigations on N2588P (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 ANC75AA032](https://openairdocs.org/ntsb/ANC75AA032), Oct 5, 1974: Piper PA-18 (N2588P), Fairbanks, AK, destroyed, 1 fatal ## Docket (1 files) The files NTSB released with the investigation on November 7, 2022, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=105435. 2.2 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 2.2 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=14387293&FileExtension=pdf&FileName=NTSB%20FORM%20N2588P%20REDACTED_Redacted-Rel.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.