SEA84FA185

NTSB accident investigation · de Havilland Beaver DHC-2 · Ketchikan, AK · July 26, 1984

Accident · FatalField investigationFinal report
Date
July 26, 1984, 12:00 local (20:00 UTC)
Place
Ketchikan, AK
Injuries
2 fatal, 4 serious, 1 uninjured
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N4787Cde Havilland Beaver DHC-2
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840726053089A
Case key
39819

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.

In flight collision with terrain/waterManeuvering
Terrain condition - mountainous/hillyFactor
In-flight planning/decision - improperPilot in commandCause
Aircraft performance,climb capability - exceededFactor
Clearance - inadequatePilot in commandCause
Proper climb rate - not possiblePilot in commandCause

Analysis

The plt flew into a canyon with a climb-out gradient in excess of the acft capability and collided with the upsloping terrain. The plt said he had hit a downdraft and turned away from the rising terrain just as collision occurred. Surviving passengers do not recall any turbulence or sinking sensation before the crash. The plt did not report any turbulence or downdrafts anywhere except at the accident site.

Aircraft

Registration
N4787C
Reported as
de Havilland Beaver DHC-2 (BEAVER DHC)
Category
Airplane
Serial number
1330
Airframe hours
168
Engine
P&W R-985-AN-14B, 450 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Pro Mech, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · July 7, 1984 · 82 hours before
Departed
AK78 · Yes Bay, AK
Destination
5KE · Ketchikan, AK

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
28
Certificate
Airline transport
Airplane ratings
Single-engine sea, Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
3,586 total · 1,510 in this make and model · 3,359 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
140° at 10 knots
Visibility
10 statute miles
Temperature
59 °F, dew point 54 °F
Altimeter
30.00 inHg
Observed at
KTN

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 N4787C · 2

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