Tuesday, December 19, 2017

Maule MX-7-180A Sportplane, N61SR and Piper PA-20 Pacer, N1562A: Accident occurred December 18, 2017 at Willow Airport (UUO), Alaska

Additional participating entity:
Federal Aviation Administration / Flight Standards District Office; Anchorage, Alaska

N61SR 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/N61SR


Location: Willow, AK

Accident Number: GAA18CA087A
Date & Time: 12/18/2017, 1120 AKS
Registration: N61SR
Aircraft: MAULE MX7
Aircraft Damage: Substantial
Defining Event: Ground collision
Injuries: 1 None
Flight Conducted Under:  Part 91: General Aviation - Personal 

Analysis


The pilot of the Piper airplane reported that, while taxiing from the runway to his tie-down space, he was taxiing "into the sun". He added that, before he could react, he struck the tail of a Maule airplane, which was stopped on the taxiway.

The pilot of the Maule airplane reported to the Federal Aviation Administration inspector that he was planning to depart and had stopped on the taxiway to put on his seat belt, when his airplane was struck from behind.


The Piper sustained substantial damage to the right wing lift strut; the Maule sustained substantial damage to the empennage.


The Piper and Maule pilots reported that there were no preaccident mechanical failures or malfunctions with the airplanes that would have precluded normal operation.


Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The other pilot's failure to see and avoid another airplane parked on the taxiway while taxiing in sun glare conditions. 

Findings

Personnel issues
Monitoring other aircraft - Pilot of other aircraft (Cause)

Environmental issues
Aircraft - Effect on operation (Cause)

Glare - Effect on personnel


Pilot Information


Certificate: Airline Transport; Flight Instructor

Age: 62, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s):  Airplane Single-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 05/01/2017
Occupational Pilot: Yes
Last Flight Review or Equivalent:
Flight Time: 

Aircraft and Owner/Operator Information


Aircraft Manufacturer: MAULE

Registration: N61SR
Model/Series: MX7 180A
Aircraft Category: Airplane
Year of Manufacture: 1994
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 20016C
Landing Gear Type: Ski; Tailwheel
Seats: 4
Date/Type of Last Inspection: 10/24/2017, Annual
Certified Max Gross Wt.: 2400 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 3800 Hours at time of accident
Engine Manufacturer:  Lycoming
ELT: C91  installed, not activated
Engine Model/Series: O-360-C4F
Registered Owner: On file
Rated Power: 180 hp
Operator: On file
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: PAWS, 354 ft msl
Observation Time: 1956 UTC
Distance from Accident Site: 18 Nautical Miles
Direction from Accident Site: 126°
Lowest Cloud Condition: Clear
Temperature/Dew Point: -9°C / -11°C
Lowest Ceiling: None
Visibility:  10 Miles
Wind Speed/Gusts, Direction: Calm
Visibility (RVR):
Altimeter Setting: 30.15 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Willow, AK (UUO)
Type of Flight Plan Filed: Unknown
Destination:
Type of Clearance:  Unknown
Departure Time: 1120 AKS
Type of Airspace: Class G

Airport Information


Airport: WILLOW (UUO)

Runway Surface Type: Snow
Airport Elevation: 215 ft
Runway Surface Condition: Snow
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: None 

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:  61.751944, -150.053056 (est)

N1562A  Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

http://registry.faa.gov/N1562A

Location: Willow, AK
Accident Number: GAA18CA087B
Date & Time: 12/18/2017, 1120 AKS
Registration: N1562A
Aircraft: PIPER PA 20
Aircraft Damage: Substantial
Defining Event: Ground collision
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal 

Analysis

The pilot of the Piper airplane reported that, while taxiing from the runway to his tie-down space, he was taxiing "into the sun". He added that, before he could react, he struck the tail of a Maule airplane, which was stopped on the taxiway.

The pilot of the Maule airplane reported to the Federal Aviation Administration inspector that he was planning to depart and had stopped on the taxiway to put on his seat belt, when his airplane was struck from behind.

The Piper sustained substantial damage to the right wing lift strut; the Maule sustained substantial damage to the empennage.

The Piper and Maule pilots reported that there were no preaccident mechanical failures or malfunctions with the airplanes that would have precluded normal operation.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's failure to see and avoid another airplane stopped on the taxiway while taxiing in sun glare conditions.

Findings

Personnel issues
Monitoring other aircraft - Pilot (Cause)

Environmental issues
Aircraft - Effect on operation (Cause)

Glare - Effect on personnel

Pilot Information

Certificate: Private
Age: 56, Male
Airplane Rating(s): Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 05/17/2016
Occupational Pilot: No
Last Flight Review or Equivalent: 06/16/2017
Flight Time:  (Estimated) 719.2 hours (Total, all aircraft), 356.2 hours (Total, this make and model), 615.8 hours (Pilot In Command, all aircraft), 5 hours (Last 90 days, all aircraft), 1.5 hours (Last 30 days, all aircraft), 0.4 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Manufacturer: PIPER
Registration: N1562A
Model/Series: PA 20 150
Aircraft Category: Airplane
Year of Manufacture: 1954
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 20-768
Landing Gear Type: Ski; Tailwheel
Seats: 2
Date/Type of Last Inspection: 12/02/2017, Annual
Certified Max Gross Wt.: 1950 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 3326.33 Hours as of last inspection
Engine Manufacturer: LYCOMING
ELT: C91  installed, not activated
Engine Model/Series: O-320-A2B
Registered Owner: On file
Rated Power: 150 hp
Operator: On file
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: PAWS, 354 ft msl
Observation Time: 1956 UTC
Distance from Accident Site: 18 Nautical Miles
Direction from Accident Site: 126°
Lowest Cloud Condition: Clear
Temperature/Dew Point: -9°C / -11°C
Lowest Ceiling: None
Visibility:  10 Miles
Wind Speed/Gusts, Direction: Calm
Visibility (RVR):
Altimeter Setting: 30.15 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Trail Lake, AK
Type of Flight Plan Filed: None
Destination: Willow, AK (UUO)
Type of Clearance: None
Departure Time: 1100 AKS
Type of Airspace: Class G

Airport Information

Airport: WILLOW (UUO)
Runway Surface Type: Ice; Snow
Airport Elevation: 215 ft
Runway Surface Condition: Snow
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: Full Stop 

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:   61.751944, -150.053056 (est)

Additional participating entity:
Federal Aviation Administration / Flight Standards District Office; Anchorage, Alaska

N61SR Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf 


http://registry.faa.gov/N61SR


Location: Willow, AK

Accident Number: GAA18CA087A
Date & Time: 12/18/2017, 1120 AKS
Registration: N61SR
Aircraft: MAULE MX7
Aircraft Damage: Substantial
Defining Event: Ground collision
Injuries: 1 None
Flight Conducted Under:  Part 91: General Aviation - Personal 

The pilot of the Piper airplane reported that, while taxiing from the runway to his tie-down space, he was taxiing "into the sun". He added that, before he could react, he struck the tail of a Maule airplane, which was stopped on the taxiway.


The pilot of the Maule airplane reported to the Federal Aviation Administration inspector that he was planning to depart and had stopped on the taxiway to put on his seat belt, when his airplane was struck from behind.


The Piper sustained substantial damage to the right wing lift strut; the Maule sustained substantial damage to the empennage.


The Piper and Maule pilots reported that there were no preaccident mechanical failures or malfunctions with the airplanes that would have precluded normal operation.


Pilot Information


Certificate: Airline Transport; Flight Instructor

Age: 62, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s):  Airplane Single-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 05/01/2017
Occupational Pilot: Yes
Last Flight Review or Equivalent:
Flight Time: 

Aircraft and Owner/Operator Information


Aircraft Manufacturer: MAULE

Registration: N61SR
Model/Series: MX7 180A
Aircraft Category: Airplane
Year of Manufacture: 1994
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 20016C
Landing Gear Type: Ski; Tailwheel
Seats: 4
Date/Type of Last Inspection: 10/24/2017, Annual
Certified Max Gross Wt.: 2400 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 3800 Hours at time of accident
Engine Manufacturer:  Lycoming
ELT: C91  installed, not activated
Engine Model/Series: O-360-C4F
Registered Owner: On file
Rated Power: 180 hp
Operator: On file
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: PAWS, 354 ft msl
Observation Time: 1956 UTC
Distance from Accident Site: 18 Nautical Miles
Direction from Accident Site: 126°
Lowest Cloud Condition: Clear
Temperature/Dew Point: -9°C / -11°C
Lowest Ceiling: None
Visibility:  10 Miles
Wind Speed/Gusts, Direction: Calm
Visibility (RVR):
Altimeter Setting: 30.15 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Willow, AK (UUO)
Type of Flight Plan Filed: Unknown
Destination:
Type of Clearance:  Unknown
Departure Time: 1120 AKS
Type of Airspace: Class G

Airport Information


Airport: WILLOW (UUO)

Runway Surface Type: Snow
Airport Elevation: 215 ft
Runway Surface Condition: Snow
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: None 

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:  61.751944, -150.053056 (est)


N1562A  Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

http://registry.faa.gov/N1562A

Location: Willow, AK
Accident Number: GAA18CA087B
Date & Time: 12/18/2017, 1120 AKS
Registration: N1562A
Aircraft: PIPER PA 20
Aircraft Damage: Substantial
Defining Event: Ground collision
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal 

The pilot of the Piper airplane reported that, while taxiing from the runway to his tie-down space, he was taxiing "into the sun". He added that, before he could react, he struck the tail of a Maule airplane, which was stopped on the taxiway.

The pilot of the Maule airplane reported to the Federal Aviation Administration inspector that he was planning to depart and had stopped on the taxiway to put on his seat belt, when his airplane was struck from behind.

The Piper sustained substantial damage to the right wing lift strut; the Maule sustained substantial damage to the empennage.

The Piper and Maule pilots reported that there were no preaccident mechanical failures or malfunctions with the airplanes that would have precluded normal operation.

Pilot Information

Certificate: Private
Age: 56, Male
Airplane Rating(s): Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 05/17/2016
Occupational Pilot: No
Last Flight Review or Equivalent: 06/16/2017
Flight Time:  (Estimated) 719.2 hours (Total, all aircraft), 356.2 hours (Total, this make and model), 615.8 hours (Pilot In Command, all aircraft), 5 hours (Last 90 days, all aircraft), 1.5 hours (Last 30 days, all aircraft), 0.4 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Manufacturer: PIPER
Registration: N1562A
Model/Series: PA 20 150
Aircraft Category: Airplane
Year of Manufacture: 1954
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 20-768
Landing Gear Type: Ski; Tailwheel
Seats: 2
Date/Type of Last Inspection: 12/02/2017, Annual
Certified Max Gross Wt.: 1950 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 3326.33 Hours as of last inspection
Engine Manufacturer: LYCOMING
ELT: C91  installed, not activated
Engine Model/Series: O-320-A2B
Registered Owner: On file
Rated Power: 150 hp
Operator: On file
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: PAWS, 354 ft msl
Observation Time: 1956 UTC
Distance from Accident Site: 18 Nautical Miles
Direction from Accident Site: 126°
Lowest Cloud Condition: Clear
Temperature/Dew Point: -9°C / -11°C
Lowest Ceiling: None
Visibility:  10 Miles
Wind Speed/Gusts, Direction: Calm
Visibility (RVR):
Altimeter Setting: 30.15 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Trail Lake, AK
Type of Flight Plan Filed: None
Destination: Willow, AK (UUO)
Type of Clearance: None
Departure Time: 1100 AKS
Type of Airspace: Class G

Airport Information

Airport: WILLOW (UUO)
Runway Surface Type: Ice; Snow
Airport Elevation: 215 ft
Runway Surface Condition: Snow
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: Full Stop 

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:   61.751944, -150.053056 (est)

No comments: