ANC22LA019

NTSB accident investigation · Dehavilland DHC-3 · Deadhorse, AK · February 21, 2022

Accident · No injuriesClass 4 · LimitedFinal report
Date
February 21, 2022, 08:20 local (17:20 UTC)
Place
Deadhorse, AK
Injuries
8 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N413JPDehavilland DHC-3
Defining event
Landing: Landing area undershoot
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Alaska Regional Office
Parties
FAA
FAA report
20220221000909A
Case key
104691

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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Probable cause

The pilot's failure to maintain a proper approach path in flat light conditions, which resulted in landing short of the runway and impact with terrain.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Light condition: flat lightEnvironmental issues › Conditions/weather/phenomena · Effect on personnelDehavilland DHC-3: 1 caseAll aircraft: 42 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that, while landing at a remote ice-covered airstrip, in flat light conditions, the airplane descended below the glide path and landed short of the airstrip. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no pre-accident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Aircraft

Registration
N413JP
Reported as
Dehavilland DHC-3
Category
Airplane
Serial number
314
Built
1958
Airframe hours
14,122
Engine
honeywell TPE331-12JR, 900 horsepower, reciprocating
Damage
Substantial damage
Flight
Business · Part 135
Operator
Bald Mountain Air Service Inc
Registered owner
Bald Mountain Air Service Inc
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · October 27, 2021 · 36 hours before
Destination
Same as departure
Flight plan
VFR
Airport
PVT · Pvt
Equipment
Unknown

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
57
Injuries
None
Certificate
Airline transport
Airplane ratings
Single-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
February 17, 2022
Seat
Left
Restraint
4-point
Flight hours
6,762 total · 1,320 in this make and model · 23.8 in the last 90 days · 23.8 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
90° at 11 knots
Visibility
10 statute miles
Lowest ceiling
10,000 ft overcast
Temperature
-20 °F, dew point -27 °F
Altimeter
30.10 inHg
Observed at
PASC, 90 nm away
METAR
PASC 211753Z 09011KT 10SM OVC100 M29/M33 A3010 RMK AO2 SLP196 T12891328 11289 21344 56035 PNO $

Docket · 2

The files NTSB released with the investigation on April 18, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.7 MB in all.

FAA reports on this event · 1

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