Premium research interface

The modern interface for aviation safety intelligence.

Search investigations, review source evidence, monitor watched reports, and trace long-term patterns from one calm, data-first workspace.

63k+
Reports indexed
1940-2026
Coverage
Recent
Last data refresh
Featured Report

Loading…

Loading featured report…

Loading…
Open Report

Safety trends by operating rule

Track fatal and non-fatal accident patterns across Part 91, Part 135, and Part 121 operations.

Loading trend charts…

Browse the aviation graph

Move quickly by aircraft, airport, operator, and time with indexes built for research, not wandering.

Last Data Update

By Decade

By Month

Aircraft Manufacturer

More manufacturers

Airports

More airports

Operators

More operators

About

Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

The goal is practical safety education: make it faster to find relevant investigations, compare similar events, review factual records, and understand the evidence behind probable-cause and preliminary reports.

The investigative work and source records belong to the National Transportation Safety Board and the published investigation record. This site is not affiliated with or endorsed by the NTSB.

FAQs

NTSB Report

April 16, 2004 · Piper PA-12 · N3029M

Copper Center, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
April 16, 2004
Injury Outcomes
1 injury (1 minor injury)
Location
Copper Center, AK
Aircraft
Piper PA-12
Tail Number
N3029M
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
ANC04LA040

Following completion of an annual inspection, the private certificated pilot departed a private airstrip located adjacent to the maintenance facility. The airstrip was muddy and wet, with puddles of standing water. The pilot said the sky condition was about 5,500 feet overcast, visibility was about 50 miles, and the temperature was about 45 degrees F. During takeoff, the pilot said that he encountered a puddle of water that splashed over the windshield. After takeoff, about 50 feet above the ground, the engine power began to slowly decrease. There was no engine roughness or sputtering. As the engine rpm decreased, the airplane lost altitude, and the pilot selected an emergency landing area in a snow-covered field. During landing in the snow, the airplane spun to the left, the right main landing gear collapsed, and the right wing struck the ground. The pilot said the airplane received damage to the right gear, the right wing, and the fuselage. The airplane was retrieved and examined by the maintenance facility mechanic and the pilot. No mechanical malfunction was found. The mechanic reported to an FAA inspector that during the takeoff roll the airplane encountered several puddles of water. The mechanic also indicated that "the temperature and environmental conditions were ideal for carburetor icing, and poor runway conditions were a contributing factor in the accident."

NTSB Probable Cause

The pilot's selection of unsuitable terrain for takeoff, and his failure to utilize carburetor heat, which resulted in a loss of engine power during takeoff initial climb, and a subsequent encounter with snow-covered terrain. Factors contributing to the accident were standing water puddles that washed over the airplane during takeoff, and carburetor icing conditions.

Full Narrative

On April 16, 2004, about 1225 Alaska daylight time, a tundra tire-equipped Piper PA-12 airplane, N3029M, sustained substantial damage when it collided with snow-covered terrain during an emergency landing. The collision occurred following a loss of engine power during takeoff/initial climb, about 16 miles southeast of Copper Center, Alaska. The airplane was being operated as a visual flight rules (VFR) cross-country personal flight under Title 14, CFR Part 91. The airplane was operated by the pilot. The private certificated pilot, the sole occupant, received minor injuries. Visual meteorological conditions prevailed. The flight originated from a private airstrip at Kenney Lake, Alaska, and was en route to Valdez, Alaska. No flight plan was filed, nor was one required. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC), on April 16, the pilot reported that the airplane had been at a maintenance facility at Kenney Lake where an annual inspection had just been completed. The airstrip at the maintenance facility is oriented east/west, and is about 1,000 long and about 20 feet wide. He said he conducted a preflight inspection of the airplane, performed an engine run-up, and then departed toward the east. The pilot said the airplane climbed to about 50 feet above the ground when the engine power began to slowly decrease. There was no engine roughness or sputtering. As the engine rpm decreased, the airplane lost altitude. The pilot selected an emergency landing area in a snow-covered field. During landing in the snow, the airplane spun to the left. The right main landing gear collapsed, and the right wing struck the ground. The pilot said the airplane received damage to the right gear, the right wing, and the fuselage. The propeller separated from the engine during the collision. In the Pilot/Operator Aircraft Accident Report (NTSB Form 6120.1) submitted by the pilot, the pilot indicated the surface of the airstrip was muddy and wet. During the takeoff roll, he indicated that 200 feet down the runway, the airplane entered a large puddle, and that water splashed over the windshield. He said the weather conditions were about 5,500 feet overcast, a visibility of about 50 miles, and the temperature was about 45 degrees F. Following the accident, the airplane was retrieved and transported to the maintenance facility at Kenney Lake. It was examined by the pilot and the maintenance facility mechanic. During a telephone interview with the NTSB IIC on May 3, and in a written statement prepared for an Federal Aviation Administration (FAA) inspector, dated April 21, the mechanic reported that fuel was found in the carburetor, along with tiny metal slivers. The gascolator and carburetor fuel screens were clean. The engine had compression in all four cylinders. The valve train components were intact. Continuity of the engine controls, and airframe flight controls was verified. No mechanical malfunction was found. The mechanic indicated that during the takeoff, the airplane encountered several puddles of water. He also indicated that "the temperature and environmental conditions were ideal for carburetor icing, and poor runway conditions were a contributing factor in the accident." In a written statement prepared for the FAA inspector, dated April 22, the pilot indicated that during the takeoff roll, the airplane encountered a puddle that produced "water over the top at 25 to 30 mph." The FAA inspector reported that there was water on the runway that was 6 inches deep in some areas.

Flight

Event TypeAccident
Event Time12:25 AKDT
Nearest AirportKenney Lake (0nm)
Runway09
Runway Length1000 ft
Runway Width20 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftPiper PA-12
Tail NumberN3029M
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320 · Reciprocating · 150
Seats2

People & Injuries

Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 35 · Third Class · Minor

Conditions

ConditionsVMC
LightDaylight
Wind180° @ 3 kt
Visibility50 sm
CeilingOvercast 5500 ft
Temperature / Dew Point45 C / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data