# NTSB ANC06CA128: Piper PA-18, N1858A, Aniak, AK, September 1, 2006 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: August 31, 2006, 16:00 local (Sep 1, 2006, 00:00 UTC) - Place: Aniak, AK - Coordinates: 60.766666, -158.800003 - Nearby events: https://openairdocs.org/map.md?lat=60.7667&lon=-158.8000&mi=10 - Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report January 31, 2007 - Report: Approved by Office Director - NTSB office: Alaska Regional Office - NTSB case key (mKey): 64441 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC06CA128 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/64441/pdf - Page: https://openairdocs.org/ntsb/ANC06CA128 ## Probable cause The pilot's inadequate compensation for wind conditions during the takeoff initial climb, which resulted in a loss of control and in-flight collision with terrain. A factor contributing to the accident was a windshear. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Loss of control - in flight, takeoff - initial climb - weather condition - windshear (contributing factor) - compensation for wind conditions - inadequate, pilot in command (cause) - In flight collision with terrain/water, takeoff - initial climb - terrain condition - high vegetation ## Analysis The commercial certificated pilot reported that he was departing a remote airstrip toward the north on a Title 14, CFR Part 91, cross-country personal flight. The pilot said that the airplane lifted off to about 20 feet, and then encountered low level windshear that moved the airplane to the right, into high vegetation. The airplane received structural damage to the left wing lift strut and the right wing. The pilot indicated that the wind was from the north at 15 knots, with gusts to 30 knots. ## Factual narrative The commercial certificated pilot reported that he was departing a remote airstrip toward the north on a Title 14, CFR Part 91, cross-country personal flight. The pilot said that the airplane lifted off to about 20 feet, and then encountered low level windshear that moved the airplane to the right, into high vegetation. The airplane received structural damage to the left wing lift strut and the right wing. The pilot indicated that the wind was from the north at 15 knots, with gusts to 30 knots. ## Aircraft - Registration: [N1858A](https://openairdocs.org/aircraft/N1858A), registered now, S/N 18-1686, built 1953 (OpenAirDocs) - Reported make and model: Piper PA-18 - Registry model: [Piper PA-18A](https://openairdocs.org/model/piper-pa-18a) (registry code 7101804) (OpenAirDocs) - Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs) - Category: Airplane - Serial number: 18-1686 - Engines: Lycoming O-320 reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Kent Sorensen - Registered owner: Robert Kinkade - Airworthiness certificate: Standard, Normal - Departed: Aniak, AK - Destination: PANI, Aniak, AK - Airport: runway 36, 1,500 × 25 ft ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 52; commercial; airplane ratings: single-engine sea, single-engine land; medical: class 2; flight hours: 7,000 total, 120 in this make and model, 6,900 as pilot in command, 150 in the last 90 days, 70 in the last 30 days, 4 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 360° at 15 knots, gusting 30 - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 50 °F ## 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 20060831020749A](https://openairdocs.org/incident/20060831020749A), Aug 31, 2006: Piper PA18A, Aniak, AK, Substantial damage. (-23) Aircraft crashed on takeoff causing damage to the right wing, landing gear and propeller. I have been unable to contact the pilot [privacy data omitted]… ## Other investigations on N1858A (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 ANC11CA053](https://openairdocs.org/ntsb/ANC11CA053), Jun 15, 2011: Piper PA-18A (N1858A), McCarthy, AK, substantial damage. Probable cause: The pilot's failure to maintain control of the airplane while taxiing in gusty wind conditions. - [NTSB ANC02LA055](https://openairdocs.org/ntsb/ANC02LA055), Jun 19, 2002: Piper PA-18 (N1858A), Anchorage, AK, substantial damage. Probable cause: The pilot's improper recovery from a bounced landing, and his failure to maintain directional control of the airplane. A factor associated with the accident is a ditch adjacent to the runway. 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.