LAX89LA188

NTSB accident investigation · Schweizer SGS 2-33A · Haleiwa, Oahu, HI · June 29, 1989

Accident · No injuriesLimited investigationFinal report
Date
June 28, 1989, 18:00 local (Jun 29, 1989, 04:00 UTC)
Place
Haleiwa, Oahu, HI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N2059TSchweizer SGS 2-33A
Weather
Visual (VMC) · Dawn
Status
Completed · report August 2, 1990
Report
Approved by Office Director
FAA report
19890628018429A
Case key
26403

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's failure to adequately compensate for wind conditions and the failure to maintain sufficient altitude to clear obstacles. Contributing to the accident were the downdrafts along the ridge line.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight encounter with weatherCruise - normal
Weather condition - downdraftFactor
Compensation for wind conditions - inadequatePilot in commandCause
Altitude - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The pilot reported that he was soaring along a ridge and was attempting to maintain at least 330' AGL. He said that he encountered a strong downdraft and was unable to maintain altitude and crashed into the trees.

Aircraft

Registration
N2059T
Reported as
Schweizer SGS 2-33A
Category
Glider
Serial number
489
Engine
Unknown UNKNOWN, unknown
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Civil Air Patrol
Registered owner
Civil Air Patrol
Airworthiness certificate
Standard, Utility
Departed
HDH · Haleiwa, Oahu, HI
Airport
NONE

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
22
Certificates
Commercial, Flight instructor
Medical
Unknown
Flight hours
318 total · 285 as pilot in command · 49 in the last 90 days · 36 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dawn
Wind
45° at 15 knots, gusting 10
Visibility
30 statute miles
Lowest ceiling
None
Temperature
75 °F, dew point -0 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.