SEA87LA105

NTSB accident investigation · Beech BE18 · Glenns Ferry, ID · May 30, 1987

Accident · No injuriesLimited investigationFinal report
Date
May 29, 1987, 19:01 local (May 30, 1987, 01:01 UTC)
Place
Glenns Ferry, ID
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N503CWBeech BE18
Weather
Visual (VMC) · Dusk
Status
Completed · report May 2, 1988
Report
Approved by Office Director
FAA report
19870529017359A
Case key
40632

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.

In flight encounter with weatherCruise - normal
Weather condition - turbulenceFactor
Airframe/component/system failure/malfunctionCruise - normal
Flight control,elevator attachment - wornFactor
Flight control,elevator attachment - overloadCause
On ground/water encounter with terrain/waterLanding - roll
Airport facilities,runway/landing area condition - foreign substance coveredFactor
Precautionary landing - performedPilot in commandFactor
Terrain condition - ditchCause
Remedial action - not possiblePilot in commandCause

Analysis

While at crz, plt encountered turbulence. Shortly thereafter, experienced elevator control difficulties and yoke vibrations. Plt declared emerg, requested vector to closest airport. Mtn home afb rapcon gave vector to Glenns Ferry airport. On approach, plt sighted large 'x' marks on rwy, indicating airport closed, but due nature of emerg, elected to continue. Due conditions of dusk, plt did not sight obstructions (large dirt mounds) on rwy until committed. Plt attempted to steer clear on t/d and roll, but unable; collided with one or more before coming to rest. Invest revealed elev tab control rod end had torn free of tab horn. Horn showed evidence of previous wear necessitating oversize bearing. Continued wear reduced cross-section; unable to withstand turb-induced flt loads. Mtn home afb not on class b NOTAM dist at time of mishap.

Aircraft

Registration
N503CW
Reported as
Beech BE18
Category
Airplane
Serial number
AF196
Airframe hours
6,891
Engine
P&W R985AB14B, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Positioning · Part 91
Operator
Majestic Airlines, Inc.
Registered owner
Majestic Airlines, Inc.
Airworthiness certificate
Standard, Normal
Departed
BOI · Boise, ID
Destination
TWF · Twin Falls, ID
Airport
U89 · Glenns Ferry Municipal, runway 8, 3,200 × 190 ft, asphalt

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
32
Certificates
Flight instructor, Airline transport, Commercial
Airplane ratings
Single-engine sea, Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
3,000 total · 400 in this make and model · 2,775 as pilot in command · 255 in the last 90 days · 8 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
290° at 3 knots
Visibility
40 statute miles
Lowest ceiling
10,000 ft broken
Temperature
79 °F, dew point 36 °F
Altimeter
29.00 inHg
Observed at
MOU, 20 nm away

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 N503CW · 1

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