ANC10LA025

NTSB accident investigation · Britten-Norman BN-2A-21 · Kodiak, AK · March 15, 2010

Accident · Serious injuriesLimited investigationFinal report
Date
March 15, 2010, 12:30 local (20:30 UTC)
Place
Kodiak, AK
Injuries
2 serious, 1 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N663SABritten-Norman BN-2A-21
Defining event
Initial climb: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report October 21, 2010
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA FSDO-03
FAA report
20100315029589A
Case key
75500

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 clearance from rising terrain during takeoff resulting in collision with trees.

Findings · 4

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.

Performance/control parameters: climb rateAircraft › Aircraft oper/perf/capability · Capability exceededBritten-Norman BN-2A-21: 1 caseAll aircraft: 265 casesProbable cause
Wind: crosswindEnvironmental issues › Conditions/weather/phenomena · Effect on equipmentBritten-Norman BN-2A-21: 1 caseAll aircraft: 1,008 cases
Terrain: mountainous/hilly terrainEnvironmental issues › Physical environment · Contributed to outcomeBritten-Norman BN-2A-21: 1 caseAll aircraft: 329 cases

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 airline transport pilot was taking off on a passenger flight under Title 14, CFR Part 135, when the accident occurred. He reported that during takeoff the wind was reported from 290-300 degrees, at 15 knots, gusting to 27 knots. He chose to make an intersection takeoff on runway 25 at its intersection with runway 29, rather than use the full length of runway 29. He said his airspeed did not develop as quickly as he had anticipated, and that with his airspeed lagging and poor climb performance, he realized the airplane was not going to clear the ridge at the end of the runway. He said he initiated a right descending turn to maintain his airspeed, but impacted trees alongside the runway. He reported that the airplane sustained substantial damage to the wings and fuselage when it impacted trees. He said there were no mechanical problems with the airplane prior to the accident.

Factual narrative

On March 15, 2010, about 1230 Alaska daylight time, a Britten-Norman BN-2A-21 airplane, N663SA, sustained substantial damage following a loss of control and impact with terrain during takeoff initial climb at the Kodiak Airport, Kodiak, Alaska. The airplane was being operated by Servant Air, Kodiak, as a visual flight rules (VFR) passenger flight under Title 14, CFR Part 135, when the accident occurred. The airline transport pilot and one passenger received serious injuries, and the second passenger received minor injuries. Visual meteorological conditions prevailed, and company flight following procedures were in effect. The flight was bound for Old Harbor, Alaska. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on March 17, an FAA air safety inspector who interviewed witnesses at the airport, said one witness who was familiar with the Britten-Norman airplane said he saw the airplane at full power attempting to out climb the terrain at the end of the runway, before it descended into the trees. The witness reported that the right wing of the airplane struck the trees first, and then rolled left, striking trees with its left wing, and then continued its descent into the trees. In a written statement to the NTSB dated March 23, the pilot said that the wind was reported as from 290-300 degrees, at 15 knots, gusting to 27 knots, and he chose to make an intersection takeoff on runway 25 at the intersection of runway 25 and runway 29. He said his airspeed did not develop as quickly as he had anticipated. The pilot reported that with his airspeed lagging and poor climb performance, he realized the airplane was not going to clear the ridge at the end of the runway. He said he initiated a right descending turn to maintain his airspeed, and flared for impact with the trees. The statement also indicated that there were no mechanical problems with the airplane prior to the accident.

Aircraft

Registration
N663SA
Reported as
Britten-Norman BN-2A-21
Category
Airplane
Serial number
4
Airframe hours
11,348
Engines
Lycoming IO-540-K1B5, 300 horsepower, reciprocatingLycoming IO-540-K1B5, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Servant Air Inc., doing business as Servant Air
Registered owner
Paklook Air Inc
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · March 3, 2010
Departed
PADQ · Kodiak, AK
Destination
6R7 · Old Harbor, AK
Flight plan
Company VFR
Airport
PADQ · Kodiak, runway 25, 7,542 × 150 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
37
Injuries
Minor
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, With waivers/limitations
Last flight review
December 22, 2009
Seat
Left
Flight hours
7,370 total · 106 in this make and model · 6,208 as pilot in command · 128 in the last 90 days · 45 in the last 30 days · 0 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 21 knots, gusting 27
Visibility
7 statute miles
Lowest ceiling
4,300 ft broken
Temperature
34 °F, dew point 27 °F
Altimeter
29.70 inHg
Observed at
PADQ, 1 nm away

Docket · 2

The files NTSB released with the investigation on July 16, 2010, on NTSB’s docket system: statements, records, photos and specialists’ reports. 882 KB 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.