# Accident 20180614007869A: Piper PA-18-150, Wasilla, AK, June 14, 2018 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: June 14, 2018, 17:57 local time - Place: Wasilla, AK - Airport: Anderson Lake - Damage: Substantial damage - Phase of flight: Landing: Rollout - Operating rules: General operating rules (Part 91) - Location: 61.6169° N, 149.3217° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=61.6169&lon=-149.3217&mi=10 - Aircraft: N3764Z, registered now (https://openairdocs.org/aircraft/N3764Z) (OpenAirDocs) - Registry model: Piper PA-18-150 (registry code 7101828, https://openairdocs.org/model/piper-pa-18-150) (OpenAirDocs) - Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs) - Reported make and model: PIPER PA-18-150 - People aboard: 1 - Fatal injuries: 0 - Other injuries: 0 - Pilot certificates: Airline transport, flight instructor - Pilot flight hours: 4 in this make and model, 131 in the last 90 days - NTSB investigation: [NTSB GAA18CA367](https://openairdocs.org/ntsb/GAA18CA367) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20180614007869A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. PART 91 NONCOMMERCIAL RECREATIONAL PRACTICE FLIGHT. NORMAL PREFLIGHT WEATHER AND AIRFIELD INFORMATION WAS REVIEWED ALONG WITH PREFLIGHT AND FUEL SERVICE. AT APPROXIMATELY 1330 ALASKA TIME ON 14 JUN, PILOT DEPARTED ANDERSON LAKE, RWY 26, TO VISIT MECHANIC AT WILLOW TO ASSES THE AIRPLANE FOR A FUTURE FLOAT INSTALLATION. AFTER THE STOP AT WILLOW, PILOT TOOK OFF AND PROCEEDED TO THE KNIK AREA FOR TAKEOFF AND LANDING PRACTICE. ALL TOTAL, TO INCLUDE WILLOW, CONDUCTED 11 LANDINGS AND SUBSEQUENT TAKEOFFS IN THE 2.5 HRS OF OPERATING TIME PRIOR TO LANDING BACK AT ANDERSON. UPON ARRIVAL AT ANDERSON LAKE, AT APPROX 1755 ALASKA TIME, PILOT OVERFLEW THE FIELD. AT ALTITUDE WINDS APPEARED TO FAVOR RUNWAY 08, HOWEVER THE WINDSOCK SLIGHTLY FAVORED RUNWAY 26 WITH LIGHT WINDS (UNKNOWN AT THE TIME, THE WINDSOCK HAD A HOLE IN IT AND WAS BEING AFFECTED BY THE TREES NEARBY). ON SHORT FINAL PILOT EXPERIENCED MODERATE TURBULENCE AND MADE MULTIPLE POWER ADJUSTMENTS WITH CONSTANT CONTROL INPUT TO MAINTAIN RUNWAY ALIGNMENT AND GLIDE PATH. TOUCHDOWN WAS A NORMAL WHEEL LANDING WITH FLAPS, AFTER LOWERING THE TAILWHEEL, AND SLOWING TO AN ESTIMATED 20-25 MPH, THE AIRCRAFT BEGAN TO SWERVE RIGHT. PILOT PUT IN FULL AILERON TO THE LEFT, APPLIED FULL LEFT RUDDER AND APPLIED MAXIMUM LEFT BRAKING WHICH ONLY SLOWED THE RIGHT SWERVE SLIGHTLY. THE AIRCRAFT IMPACTED A GARDEN POST 30 RIGHT OF THE RUNWAY AND COME TO REST IN THE TREES 50 RIGHT OF THE RUNWAY, WITH THE FUSELAGE STOPPING APPROXIMATELY 60 FROM THE RUNWAY. AFTER EXITING THE AIRCRAFT, PILOT OBSERVED THE WINDSOCK FAVORING RUNWAY 26 AND PERIODICALLY APPEARED TO BE LIMP OR SWIRLING IN THE WIND SHADOW BEHIND THE TREES, WHILE A PRIVATE FLAG MIDFIELD FAVORED RUNWAY 08 MODERATELY OR WOULD GO LIMP AT TIMES. AFTER THE INCIDENT, PILOT WAS TOLD THE WINDSOCK HAD A HOLE IN IT AND IT WASNT UNCOMMON TO PROVIDE FALSE INFORMATION IN THE WAKE OF THE TALLER TREES TO THE SOUTH. THE WINDSOCK WAS REPLACED WITH A NEW ONE A FEW DAYS AFTER THE INCIDENT. PAAQ WINDS 14 JUN, 4:53PM SE 21G24 14 JUN, 5:53PM SE 21 14 JUN, 6:53PM SE 23G30 14 JUN, 7:53PM SSE 20G26 0AK1 ANDERSON LAKE AIRPORT RUNWAYS 08/26 1800X40 GRAVEL 30' CLEAR ZONE ON EACH SIDE OF RUNWAY, TALL TREES 50' FROM RUNWAY. MULTIPLE TREES AND BUILDINGS ALONG EACH SIDE OF THE RUNWAY. 50'+ TREES APPROXIMATELY 150' FROM RUNWAY 26 THRESHOLD. COMMUNITY ROAD CROSSES AT THRESHOLD OF 08 WITH A PRIVATE BOAT LAUNCH 150' BEYOND THE ROAD. ## The NTSB's investigation of this event (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 GAA18CA367](https://openairdocs.org/ntsb/GAA18CA367), Jun 15, 2018: Piper PA 18 (N3764Z), Wasilla, AK, substantial damage. Probable cause: The pilot’s failure to maintain directional control during landing in gusting tailwind conditions. ## Other reports on N3764Z (2) Matched to the same aircraft by N-number and date. - [Accident 20120718015229A](https://openairdocs.org/incident/20120718015229A), Jul 18, 2012: Piper PA-18-150 (N3764Z), Valdez, AK, Substantial damage. Airman landed his aircraft on the coghill river gravel bar. This was his first trip to that gravel bar this year and has only been there 5 or 6 times total in… - [Accident 20060909020039A](https://openairdocs.org/incident/20060909020039A), Sep 9, 2006: Piper PA18150 (N3764Z), Eagle, AK, Substantial damage. (-23) Upon landing on a 500 foot gravel strip, pilot overapplied brakes and aircraft flipped over onto back. Pilot had recently installed boosters on his… From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- 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.