LAX83LA159

NTSB accident investigation · Hughes 369D · Rancho Bernardo, CA · March 25, 1983

Accident · No injuriesLimited investigationFinal report
Date
March 25, 1983, 10:17 local (18:17 UTC)
Place
Rancho Bernardo, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N9589FHughes 369D
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830325012519A
Case key
23652

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

On this page

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.

Loss of control - in flightHover
Weather condition - tailwindFactor
Weather condition - crosswindFactor
Weather condition - gustsFactor
Maneuver - initiatedPilot in commandFactor
Rotor rpm - not maintainedPilot in commandCause
Directional control - not possiblePilot in commandFactor
In flight collision with terrain/waterHover

Analysis

According to the plt, he was about 10 ft AGL in a hover, with a left quartering tailwind at 5, gusting 10 KTS, when he attempted a left pedal turn. He said the helicopter began to turn to the right & additional left pedal application had no effect. He rolled the throttle off & attempted to land, but the helicopter continued turning to the right & crashed. He remembered hearing the low RPM warning horn, but did not remember seeing the low RPM light. Also, he did not recall hearing any unusual noises or feeling any unusual vibrations before impact. An examination of the helicopter & damaged parts was made, but no preimpact malfunction or failure of the eng; airframe or flt control sys was found.

Aircraft

Registration
N9589F
Reported as
Hughes 369D
Category
Helicopter
Serial number
1170229D
Airframe hours
2,400
Engine
Allison 250-C20B, 375 horsepower, turbo shaft
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Snoopy Aero, Inc.
Airworthiness certificate
Standard, Normal
Departed
MYF · San Diego, CA

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
52
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
2,585 total · 113 in this make and model · 2,398 as pilot in command · 15 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
250° at 5 knots, gusting 10
Visibility
10 statute miles
Lowest ceiling
None
Temperature
70 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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