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

July 7, 2004 · Cessna 172N · N734PW

Chemehuevi, CA

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
July 7, 2004
Injury Outcomes
1 injury (1 minor injury)
Location
Chemehuevi, CA
Aircraft
Cessna 172N
Tail Number
N734PW
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
LAX04CA255

The student pilot bounced the airplane upon touchdown and lost directional control with a prevailing quartering tailwind. The airplane veered off the side of the runway, rolled into an embankment, and nosed over. Days earlier, the student's certified flight instructor had authorized the student to practice takeoffs and landings at the airport. The accident occurred after the student had flown for about 50 minutes. During his third landing on the 5,000-foot-long by 75-foot-wide runway 34, with 20 degrees of wing flaps extended, the pilot encountered a quartering tailwind. The airplane initially touched down on its left main landing gear. Thereafter, the airplane bounced, and the right main landing gear contacted the runway. Although the student increased engine power and pulled the control yoke aft, his overall efforts to maintain control were inadequate. From 8 minutes before to 12 minutes after the accident, the wind direction and speed were reported at an airport 5 miles from the site as varying from 150 to 190 degrees, and from 3 and 6 knots. No wind gusts were reported. The student's total solo flying experience was 13 hours.

NTSB Probable Cause

the pilot's improper recovery from a bounced landing, inadequate compensation for the wind conditions, and his failure to maintain directional control of the airplane.

Full Narrative

On July 7, 2004, about 0700 Pacific daylight time, a Cessna 172N, N734PW, bounced upon touchdown at the Chemehuevi Valley Airport (49X), Chemehuevi Valley, California. During the subsequent landing rollout, the airplane veered off the side of the runway, rolled into a ditch, and nosed over. The airplane was substantially damaged, and the student pilot sustained minor injuries. Visual meteorological conditions prevailed for the solo instructional flight, and no flight plan had been filed. The pilot/owner was operating the flight under the provisions of 14 CFR Part 91, and it originated from Lake Havasu City, Arizona, about 50 minutes before the accident. During a July 8, 2004, telephone interview with the National Transportation Safety Board investigator, the student pilot stated that days earlier he had flown to 49X with his certified flight instructor (CFI), who thereafter authorized him to return to the airport to practice takeoffs and landings. According to the student pilot, upon flying back to the airport, he performed two takeoffs and landings on runway 34 without mishap. During his third landing, with 20 degrees of wing flaps extended, the airplane initially touched down on its left main landing gear. Thereafter, the right main landing gear contacted the runway. Following this, he encountered a right crosswind that resulted in his losing directional control, and the airplane swerved off the narrow runway. The pilot additionally reported that he increased engine power and pulled the control yoke aft, but the airplane impacted a nearby embankment and nosed over. The student's CFI reported to the Safety Board investigator that she interviewed her student about the accident. The CFI opined that the student had made a bounced landing and had likely inadequately applied corrective recovery techniques. She also indicated that the student had likely encountered some degree of crosswind. The pilot reported that all of his 13.0 hours of solo flying experience were acquired in the accident model of airplane. The manager of the Lake Havasu City Airport (HII) reported that the weather conditions at HII are typically similar to those at 49X. Normally, there are no strong wind gusts during the morning hours. The manager provided archived weather data indicating, in pertinent part, that about 0702, HII's surface wind was from 170 degrees at 6 knots. A few minutes before and after the accident, at 0652 and at 0712, the wind at HII was from 190 degrees at 3 knots, and from 150 degrees at 5 knots, respectively. He reported no gusts. According to the Federal Aviation Administration's "Airport/Facility Directory," 49X's asphalt-surfaced runway 34 is 5,000 feet long by 75 feet wide. The airport's elevation is 631 feet mean sea level (msl). HII is located about 5 miles northeast of 49X at 781 feet msl.

Flight

Event TypeAccident
Event Time07:00 PDT
Nearest AirportChemehuevi Valley (0nm)
Runway34
Runway Length5000 ft
Runway Width75 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 172N
Tail NumberN734PW
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-H2AD · Reciprocating · 160
Seats4

People & Injuries

Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 41 · Third Class · Minor

Conditions

ConditionsVMC
LightDaylight
Wind170° @ 6 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point20 C / 10 C
Altimeter29.84 inHg
Observation Time14:02
Weather SourceWFAC

Appendix: Source Data