DCA84AA033

NTSB accident investigation · Britten-Norman BN-2A Islander · Vieques, PR · August 2, 1984

Accident · FatalFinal report
Date
August 2, 1984, 08:05 local (12:05 UTC)
Place
Vieques, PR
Injuries
9 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N589SABritten-Norman BN-2A Islander
Weather
Visual (VMC) · Day
Status
Completed
Report
Board-adopted at Board Meeting
NTSB office
Major Investigations Division
Safety recommendations
Yes
FAA report
19840802076919A
Case key
15812

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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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) - nonmechanicalTakeoff - initial climb
Procedures/directives - not followedCompany/operator managementFactor
Inadequate surveillance of operationFaa(organization)Factor
Aircraft weight and balance - improperPilot in commandFactor
Maintenance,service of aircraft/equipment - improperGround personnelFactor
Aircraft preflight - inadequatePilot in commandFactor
Fluid,fuel - waterFactor
Loss of control - in flightTakeoff - initial climb
Emergency procedure - improperPilot in commandCause
QualificationPilot in commandFactor
Propeller feathering - not performedPilot in command
Raising of flaps - not performedPilot in command
Airspeed(vmc) - not maintainedPilot in commandCause
Lack of total experience in kind of aircraftPilot in commandFactor
Inadequate trainingCompany/operator managementFactor
In flight collision with terrain/waterDescent - uncontrolled

Analysis

A witness reported he heard an apparent eng problem after the acft took off & began a left turn for a x-wind departure. Reportedly, the acft oscillated, then after regaining some lost alt, it banked abruptly to the left, nosed down, & subsequently, crashed in the ocean in a left wing low, nose down attitude. An investigation revealed evidence the left eng had lost power due to water contamination. Water was found in the fuel storage tank as well as in another acft that had been refueled from the same tank. The left prop had not been feathered & the flaps were found full down. The plt had been designated for 'on-demand' flts, but he was not certified for 'scheduled commuter' flts. The company had designated this as an on-demand flt rather than an extra-section scheduled commuter flt. There was evidence the acft was loaded 600 to 700 lbs over the max limit & up to 5 inches behind the aft CG limit. FAA surveillance of the company operations was not effective in identifying prblms. The storage tank filler cap (in a well area) was not water tight.

Aircraft

Registration
N589SA
Reported as
Britten-Norman BN-2A Islander (BN-2A ISLA)
Category
Airplane
Serial number
38
Engine
Lycoming O-540-E4C5, 260 horsepower, reciprocating
Damage
Destroyed
Flight
Part 135
Operator
Vieques Air Link, Inc.
Registered owner
Vieques Air Link, Inc
Airworthiness certificate
Standard, Utility
Departed
VQS
Destination
STX · St Croix
Flight plan
Company VFR
Airport
VQS · Vieques, runway 9, 2,500 × 75 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
21
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
723 total · 71 in this make and model · 142 in the last 90 days · 31 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
90° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
88 °F, dew point 73 °F

FAA reports on this event · 1

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