MIA84LA179

NTSB accident investigation · Bell 47G-5 · Jupiter, FL · June 7, 1984

Accident · No injuriesLimited investigationFinal report
Date
June 7, 1984, 08:45 local (12:45 UTC)
Place
Jupiter, FL
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N1201WBell 47G-5
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840607024929A
Case key
31141

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 engine power(partial) - mech failure/malfManeuvering - aerial application
Bleed air system,valve - failure,partialCause
Forced landingLanding
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

The acft crashed landed after a partial loss of power. During an exam of the eng, the compressor bleed control valve was found stuck open causing an improper fuel/air mixture.

Aircraft

Registration
N1201W
Reported as
Bell 47G-5
Category
Helicopter
Serial number
7819
Engine
Allison 250-C20B, 320 horsepower, turbo shaft
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Florida Plant Growth Regulator
Airworthiness certificate
Special, Restricted (Special)
Last inspection
100 hour · April 25, 1984 · 412 hours before
Departed
Jupiter, FL

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
54
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Right
Flight hours
18,965 total · 1,254 in this make and model · 18,917 as pilot in command · 46 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
90° at 4 knots
Visibility
15 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.

Other investigations on N1201W · 2

Matched to the same aircraft by N-number and date.