Monday, April 04, 2016

Cessna 180, N2347C, operated by Mallen Air LLC: Accident occurred February 11, 2018 in Nenana, Alaska -and- Incident occurred April 02, 2016 at Chena Marina Airport (AK28), Fairbanks, Alaska

Analysis 

The pilot of the tailwheel- and ski-equipped airplane reported that, while landing on an unimproved, snow-covered airstrip, the airplane landed hard and short of the airstrip due to wind shear and wind gusts. The airplane slid on its right side and came to rest on the right wing and right horizontal stabilizer.

The airplane sustained substantial damage to the right wing.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The pilot reported that the wind condition was light and variable at 5 knots and was not gusting. 

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's failure to maintain an adequate approach path to an unimproved airstrip, which resulted in a hard landing short of the airstrip. 

Findings

Aircraft
Descent/approach/glide path - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Windshear - Effect on operation

Factual Information

History of Flight

Landing
Other weather encounter
Hard landing (Defining event)
Landing area undershoot
Roll over

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Fairbanks, Alaska

Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms

http://registry.faa.gov/N2347C

National Transportation Safety Board - Aviation Accident Factual Report

Location: Nenana, AK
Accident Number: GAA18CA126
Date & Time: 02/11/2018, 1430 AKS
Registration: N2347C
Aircraft: CESSNA 180
Aircraft Damage: Substantial
Defining Event: Hard landing
Injuries: 1 None
Flight Conducted Under: Part 135: Air Taxi & Commuter - Non-scheduled

The pilot of the tailwheel and ski-equipped airplane reported that, while landing on an unimproved, snow-covered airstrip, the airplane landed hard and short of the airstrip due to windshear and wind gusts. The airplane slid on the right side and came to rest on the right wing and right horizontal stabilizer.

The airplane sustained substantial damage to the right wing.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The pilot reported that the wind condition was light and variable at 5 knots and was not gusting. 

Pilot Information

Certificate: Airline Transport; Flight Instructor
Age: 46, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Single-engine
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 10/04/2017
Occupational Pilot: Yes
Last Flight Review or Equivalent: 12/27/2017
Flight Time:  (Estimated) 15000 hours (Total, all aircraft), 250 hours (Total, this make and model), 15000 hours (Pilot In Command, all aircraft), 50 hours (Last 90 days, all aircraft), 10 hours (Last 30 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Manufacturer: CESSNA
Registration: N2347C
Model/Series: 180 UNDESIGNATED
Aircraft Category: Airplane
Year of Manufacture: 1953
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 30647
Landing Gear Type: Ski; Tailwheel
Seats: 2
Date/Type of Last Inspection: 09/22/2017, 100 Hour
Certified Max Gross Wt.: 2950 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 5395 Hours as of last inspection
Engine Manufacturer: CONT MOTOR
ELT: C91A installed, activated, did not aid in locating accident
Engine Model/Series: O-470 SERIES
Registered Owner: ALLEN, MICHAEL G. H.
Rated Power: 230 hp
Operator: Mallen Air LLC
Operating Certificate(s) Held: On-demand Air Taxi (135)

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: PACL, 552 ft msl
Observation Time: 2353 UTC
Distance from Accident Site: 37 Nautical Miles
Direction from Accident Site: 95°
Lowest Cloud Condition:
Temperature/Dew Point: -12°C / -17°C
Lowest Ceiling: Overcast / 4200 ft agl
Visibility:  10 Miles
Wind Speed/Gusts, Direction: 9 knots, 90°
Visibility (RVR):
Altimeter Setting: 30.08 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: NENANA, AK (ENN)
Type of Flight Plan Filed:  Company VFR
Destination: Nenana, AK
Type of Clearance: None
Departure Time: 1400 AST
Type of Airspace: Class G

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude:  64.364444, -150.537222 (est)

Previous Incident: 

Aircraft on takeoff, went off the runway.


Date: 02-APR-16

Time: 20:20:00Z
Regis#: N2347C
Aircraft Make: CESSNA
Aircraft Model: 180
Event Type: Incident
Highest Injury: None
Damage: Minor
Activity: On Demand
Flight Phase: TAKEOFF (TOF)
Operation: 135
City: FAIRBANKS
State: Alaska

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