SEA89LA016

NTSB accident investigation · Bell 214B-1 · Ketchikan, AK · November 4, 1988

Accident · No injuriesLimited investigationFinal report
Date
November 4, 1988, 10:25 local (14:25 UTC)
Place
Ketchikan, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N514RMBell 214B-1
Weather
Visual (VMC) · Day
Status
Completed · report November 7, 1989
Report
Approved by Office Director
FAA report
19881104049589A
Case key
40954

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.

Airframe/component/system failure/malfunctionHover
Rotor system,main rotor blade skin - delaminationCause
Maintenance,inspection - inadequateCompany maintenance personnelCause
Rotor system,main rotor blade skin - separationFactor
Aircraft preflight - inadequatePilot in commandCause

Analysis

Outbd 5 feet of top skin from one main rotor blade separated in flt. Plt effected lndg with no further damage. Investigation revealed erosion of leading edge protective strip allowed airloads to intrude under skin to cause delamination and separation. Soot trails indicate erosion/defect probably present at time of last inspection (1.2 hrs).

Aircraft

Registration
N514RM
Reported as
Bell 214B-1
Category
Helicopter
Serial number
28058
Airframe hours
5,975
Engine
Lycoming T5508D, 2,050 horsepower, turbo shaft
Damage
Substantial damage
Flight
Other work use · Part 133
Registered owner
Rocky Mountain Helicopters
Airworthiness certificate
Standard, Normal
Last inspection
AAIP · November 2, 1988 · 1 hours before

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
40
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Helicopter
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
14,700 total · 3,830 in this make and model · 14,290 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
135° at 20 knots
Visibility
15 statute miles
Lowest ceiling
3,000 ft overcast
Temperature
48 °F

FAA reports on this event · 1

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