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Accidents · NTSB GAA18CA525 · Final report

Piper PA18 accident near Palmer, Alaska, September 1, 2018

On September 1, 2018 at about 2:00 am local time, a Piper PA18, registered N5373Y, was substantially damaged in an accident during takeoff near Palmer, Alaska. It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The pilot’s failure to maintain directional control during takeoff.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
September 1, 2018 · about 2:00 am local time
Place
Palmer, Alaska · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA18 150 · all PA18s on the register
Registration
N5373Y · registry record · serial 18-8140
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The pilot reported that, during takeoff from an unimproved, gravel airstrip, the tailwheel-equipped airplane veered right and then struck an airplane parked on the right side of the airstrip. The airplane sustained substantial damage to both wings, the fuselage, and the elevator. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Loss of control on ground during takeoff defining event
  2. Runway excursion during takeoff
  3. Collision with terrain or object (not controlled flight into terrain) during takeoff

The NTSB's findings

  • cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Directional control › Not attained/maintained
  • cause Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
  • cause Environmental issues › Physical environment › Object/animal/substance › Aircraft › Effect on operation
  • Environmental issues › Physical environment › Terrain › Rough terrain › Contributed to outcome

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 679 hours in all; 679 in this make and model; 83 in the last 90 days; 38 in the last 30 days; 679 as pilot in command
  • Last flight review: April 14, 2017
  • Medical certificate: Class 3 (with waivers/limitations)
  • Seat: frt
  • Injury: no injuries

The aircraft

  • Last inspection: annual inspection
  • Maximum gross weight: 1,750 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-320-A2B (piston); 4,205 hours total

The flight

  • Departed from: Palmer AK
  • Destination: IYS Wasilla AK
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: from 130° at 5 knots
  • Visibility: 10 statute miles
  • Sky: overcast at 9,000 ft
  • Temperature: 55°F (13°C), dew point 48°F (9°C)
  • Altimeter: 29.82 inHg
  • Observation at 1:53 am from PAJV, 30 miles away

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

1 document, released by the NTSB on November 28, 2018. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Other NTSB records under N5373Y the same tail number, which may have belonged to a different aircraft at the time

2023-01-13ANC23LA018 · accident near Glennallen, AK · substantial damage · minor injuries

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.