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LAX98LA187 · Cessna 152

7 Jun 1998 · Descanso, CA, United States

Cessna 152 · Accident: in flight encounter with weather while maneuvering

From Montgomery-Gibbs Executive Airport (MYF) to Imperial County Airport (IPL)

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Event

NTSB case
LAX98LA187
Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
Completed
API-reported fatalities
0 · all aircraft and ground
Ground fatalities
0
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
General aviation
WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
Unknown

Cessna 152

Aircraft type
Cessna 152
Category
Airplane
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
N5343M
Operator
Unknown
Onboard fatalities
Unknown
Route
From Montgomery-Gibbs Executive Airport (MYF), San Diego, CATo Imperial County Airport (IPL), Imperial, CA
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Part 91: General Aviation
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
Maneuvering · turn to reverse direction
First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
In flight encounter with weather
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Destroyed

Cause areas

  • Pilot in command(cfi) › Altitude/clearance, not maintained
  • Pilot in command(cfi) › Preflight briefing service, disregarded
  • Pilot in command(cfi) › Weather forecast, disregarded

Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.

NTSB narrative

The purpose of the flight was to conduct the cross-country portion of the student's flight training to obtain a private pilot certificate. A coastal mountain range bisected the course between the takeoff airport, which was under the influence of cloud layers, and the destination airport, which was in clear weather conditions. Both the certified flight instructor (CFI) and student received three separate weather briefings stating that visual flight rules flight was not recommended along the intended route of flight due to mountain obscuration and moderate turbulence. As the flight proceeded into mountainous terrain, the flight encountered clouds that were merging with higher terrain and the CFI elected to turn around. The CFI said that half way through the 180-degree turn, they were struck by a strong downdraft that pushed the aircraft into the ground. A witness to the accident stated that he saw the airplane at 150 feet above ground level as it came out of the clouds executing a left turn, and then saw it abruptly descend and impact trees and terrain. The witness also said that there were strong gusty wind conditions present at the accident site. No discrepancies were found during an examination of the engine or airframe. A meteorological study was conducted that substantiated the National Weather Service forecast in effect at the time of the accident.

Probable cause

the certified flight instructor's disregard of the weather briefings and forecasted en route weather conditions, and, his failure to maintain adequate altitude/clearance in mountainous terrain. Contributing to the accident were instrument meteorological conditions and mountainous terrain.

Verbatim NTSB analysis and probable cause from the NTSB dataset

Sources

NTSB record LAX98LA187
Event ID
20001211X10349
Case number
LAX98LA187
Dataset
historical-pre2008
Source SHA-256
89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
  • Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
  • Filled from the NTSB case API where the bulk record had no value: investigation status. Values present in the bulk record are kept.
  • The date is the local date, which is the same as the UTC date the NTSB stores.
  • API snapshot SHA-256: 68d12ff2ae4a92616a49b92fa38f04d0fc70c3b6debae350dd3b9051d65d5a7e; retrieved 2026-09-21T11:30:23.517Z.