Monday, May 14, 2018

AEROPRO CZ SRO A240, N481B and Piper PA-28-161, N4121T: Accident occurred May 11, 2018 at Chandler Municipal Airport (KCHD), Maricopa County, Arizona

Federal Aviation Administration / Flight Standards District Office; Scottsdale, Arizona

N481B  Aviation Accident Final Report - National Transportation Safety Board:  https://app.ntsb.gov/pdf


Aviation Accident Data Summary - National Transportation Safety Board:  https://app.ntsb.gov/pdf


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


http://registry.faa.gov/N481B

Location: Chandler, AZ

Accident Number: GAA18CA275A
Date & Time: 05/11/2018, 0800 MST
Registration: N481B
Aircraft: AEROPRO CZ S R O A240
Aircraft Damage: Substantial
Defining Event: Ground collision
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Instructional

Analysis 


According to the pilot in the low-wing airplane, he was cleared by ground control to taxi to runway 22R via "Alpha and November." Taxiway Alpha runs parallel to runway 22R. The pilot approached taxiway Alpha via taxiway Mike, and before entering the intersection of taxiways Alpha and Mike, he "looked in all directions for aircraft" and then proceeded to turn left onto taxiway Alpha without stopping. His airplane's right wing collided with the left side of another airplane already taxiing via Alpha to 22R. He asserted that the other airplane was moving very fast when the collision occurred. His airplane sustained substantial damage to the right aileron.


According to the student pilot in the high-wing airplane, he received clearance from ground control to taxi to runway 22R via "Alpha and November." He recalled that he was established on Alpha and heading toward 22R with his landing lights on. He saw the low-wing airplane approaching the intersection of taxiway Alpha and Mike from the nonmovement area. He reported that the low-wing airplane turned left onto taxiway Alpha without stopping. The low-wing airplane's right wing collided with the left side of his airplane. His airplane sustained damage to the left-wing lift strut, the left-wing support struts, and the windscreen.


Both pilots reported that there were no preaccident mechanical malfunctions or failures with their 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 stop and yield to the airplane taxiing on the taxiway, which resulted in a ground collision.

Findings


Personnel issues

Task monitoring/vigilance - Pilot of other aircraft (Cause)

Environmental issues

Aircraft - Effect on operation (Cause)

Factual Information


History of Flight


Taxi

Miscellaneous/other
Ground collision (Defining event) 

Pilot Information


Certificate: Student

Age: 62, Male
Airplane Rating(s): None
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Sport Pilot With Waivers/Limitations
Last FAA Medical Exam: 06/15/2017
Occupational Pilot: No
Last Flight Review or Equivalent: 
Flight Time: (Estimated) 45 hours (Total, all aircraft), 45 hours (Total, this make and model), 24 hours (Pilot In Command, all aircraft), 26 hours (Last 90 days, all aircraft) 

Aircraft and Owner/Operator Information


Aircraft Make: AEROPRO CZ S R O

Registration: N481B
Model/Series: A240
Aircraft Category: Airplane
Year of Manufacture: 2016
Amateur Built: No
Airworthiness Certificate: Special Light-Sport
Serial Number: 47816
Landing Gear Type: Tricycle
Seats: 2
Date/Type of Last Inspection: 06/15/2015, Annual
Certified Max Gross Wt.: 1235 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 232 Hours at time of accident
Engine Manufacturer: ROTAX
ELT: Installed, not activated
Engine Model/Series: 912ULS
Registered Owner: On file
Rated Power: 100 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: KCHD, 1243 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1447 UTC
Direction from Accident Site: 264°
Lowest Cloud Condition: Scattered / 15000 ft agl
Visibility:  10 Miles
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 6 knots /
Turbulence Type Forecast/Actual: / None
Wind Direction: 160°
Turbulence Severity Forecast/Actual: / N/A
Altimeter Setting: 29.76 inches Hg
Temperature/Dew Point: 28°C / 0°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Chandler, AZ (CHD)
Type of Flight Plan Filed: None
Destination: Chandler, AZ (CHD)
Type of Clearance: VFR
Departure Time: 0800 MST
Type of Airspace: Class D 

Airport Information


Airport: CHANDLER MUNI (CHD)

Runway Surface Type: Asphalt
Airport Elevation: 1243 ft
Runway Surface Condition: Dry
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: 33.269167, -111.811111 (est)

N4121T  Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

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

Aviation Accident Data Summary - National Transportation Safety Board:  https://app.ntsb.gov/pdf

http://registry.faa.gov/N4121T

Location: Chandler, AZ
Accident Number: GAA18CA275B
Date & Time: 05/11/2018, 0800 MST
Registration: N4121T
Aircraft: PIPER PA 28
Aircraft Damage: Substantial
Defining Event: Ground collision
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal

Analysis 

According to the pilot in the low-wing airplane, he was cleared by ground control to taxi to runway 22R via "Alpha and November." Taxiway Alpha runs parallel to runway 22R. The pilot approached taxiway Alpha via taxiway Mike, and before entering the intersection of taxiways Alpha and Mike, he "looked in all directions for aircraft" and then proceeded to turn left onto taxiway Alpha without stopping. His airplane's right wing collided with the left side of another airplane already taxiing via Alpha to 22R. He asserted that the other airplane was moving very fast when the collision occurred. His airplane sustained substantial damage to the right aileron.

According to the student pilot in the high-wing airplane, he received clearance from ground control to taxi to runway 22R via "Alpha and November." He recalled that he was established on Alpha and heading toward 22R with his landing lights on. He saw the low-wing airplane approaching the intersection of taxiway Alpha and Mike from the nonmovement area. He reported that the low-wing airplane turned left onto taxiway Alpha without stopping. The low-wing airplane's right wing collided with the left side of his airplane. His airplane sustained damage to the left-wing lift strut, the left-wing support struts, and the windscreen.

Both pilots reported that there were no preaccident mechanical malfunctions or failures with their 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 stop and yield to the airplane taxiing on the taxiway, which resulted in a ground collision.

Findings

Personnel issues
Task monitoring/vigilance - Pilot (Cause)

Environmental issues
Aircraft - Effect on operation (Cause)

Factual Information

History of Flight

Taxi
Miscellaneous/other
Ground collision (Defining event) 

Pilot Information

Certificate: Private
Age: 46, Male
Airplane Rating(s): Single-engine Land
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 Without Waivers/Limitations
Last FAA Medical Exam: 02/10/2017
Occupational Pilot: No
Last Flight Review or Equivalent: 04/13/2017
Flight Time:  (Estimated) 68 hours (Total, all aircraft), 14 hours (Total, this make and model), 27 hours (Pilot In Command, all aircraft), 14 hours (Last 90 days, all aircraft), 14 hours (Last 30 days, all aircraft), 3 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: PIPER
Registration: N4121T
Model/Series: PA 28 161
Aircraft Category: Airplane
Year of Manufacture: 1996
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 2842017
Landing Gear Type: Tricycle
Seats: 4
Date/Type of Last Inspection: 03/14/2018, 100 Hour
Certified Max Gross Wt.: 2440 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 14672 Hours at time of accident
Engine Manufacturer: LYCOMING
ELT:
Engine Model/Series: O-320-D3G
Registered Owner: CHANDLER AIR SERVICE INC.
Rated Power: 160 hp
Operator:  CHANDLER AIR SERVICE INC.
Operating Certificate(s) Held: Pilot School (141) 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KCHD, 1243 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1447 UTC
Direction from Accident Site: 264°
Lowest Cloud Condition: Scattered / 15000 ft agl
Visibility:  10 Miles
Lowest Ceiling: 
Visibility (RVR):
Wind Speed/Gusts: 6 knots /
Turbulence Type Forecast/Actual: / None
Wind Direction: 160°
Turbulence Severity Forecast/Actual: / N/A
Altimeter Setting: 29.76 inches Hg
Temperature/Dew Point: 28°C / 0°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Chandler, AZ (CHD)
Type of Flight Plan Filed: None
Destination: Eloy, AZ (E60)
Type of Clearance: None
Departure Time: 0800 MST
Type of Airspace: Class D

Airport Information

Airport: CHANDLER MUNI (CHD)
Runway Surface Type: Asphalt
Airport Elevation: 1243 ft
Runway Surface Condition: Dry
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: 33.269167, -111.811111 (est)

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