ANC88FA051

NTSB accident investigation · Beech C55 · Tyonek, AK · April 27, 1988

Accident · FatalField investigationFinal report
Date
April 27, 1988, 13:18 local (21:18 UTC)
Place
Tyonek, AK
Injuries
2 fatal
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N2730TBeech C55
Weather
Instrument (IMC) · Day
Status
Completed · report September 11, 1989
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19880427014609A
Case key
4948

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 - high terrainFactor
Weather condition - cloudsFactor
Ifr procedure - improperPilot in commandCause
Overconfidence in personal abilityPilot in commandFactor
In-flight planning/decision - poorPilot in commandCause
Preflight planning/preparation - inadequatePilot in commandFactor

Analysis

The two pilots were operating the aircraft under the authority of a ferry permit which allowed flt only during day VFR conditions and with a single pilot. They requested and received just the weather at the destination airport, which was VMC. En route the flt encountered IMC over a mountain range. Radar returns indicated that as the weather was encountered, the flight deviated from the assigned airway, and followed mountain passes. Attempts to contact the pilot shortly after he left the assigned airway were unsuccessful. The aircraft was found at the 10,600 elevation of a 11,413 foot mt, 30 miles south of course. Weather in the area was IMC with moderate to heavy icing reported shortly after the accident.

Aircraft

Registration
N2730T
Reported as
Beech C55
Category
Airplane
Serial number
TE 375
Engine
Continental IO-520, 285 horsepower, reciprocating
Damage
Substantial damage
Flight
Ferry · Part 91
Operator
Galena Air Service
Registered owner
Galena Air Service
Airworthiness certificate
Standard, Normal
Departed
GAL · Galena, AK
Destination
MRI · Anchorage, AK
Flight plan
IFR

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
46
Certificate
Commercial
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
17,600 total · 32 in this make and model · 17,500 as pilot in command · 2 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Observed at
ANC, 75 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.