# Incident 20210525003819I: Amazon Logistics Inc MK27, Pendleton, OR, May 25, 2021

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 25, 2021, 14:42 local time
- Place: Pendleton, OR
- Damage: Substantial damage
- Phase of flight: Hover/Holding
- Operating rules: Air taxi and commuter (Part 135)
- Operator: 4MZA
- Location: 45.6756° N, 118.8195° W: Placed by OpenAirDocs: center of Pendleton, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.6756&lon=-118.8195&mi=10
- Aircraft: N343PA, a cancelled registration (https://openairdocs.org/deregistered/N343PA-2021-10-26) (OpenAirDocs)
- Registry model: Amazon Logistics MK27 (registry code 061011S, https://openairdocs.org/model/amazon-logistics-mk27) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: AMAZON LOGISTICS INC MK27
- Reported engine: AMA/EXPR UNKNOWN ENG
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 3,655 total
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210525003819I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

N343PA, AN AMAZON UAS MK27, SN000365 OPERATED UNDER PART 135 HAD A COMPLETE FAILURE OF THE NUMBER 5 PROPELLER P/N 117488-01, S/N 117488.REVA.238 AFTER LESS THAN ONE MINUTE IN SERVICE AFTER INSTALLATION ON 05/25/21.  THE FAILURE OCCURRED DURING  THE VTOL PHASE AT 12 FEET AGL.  THE NO. 5 PROPELLER BLADE DEBONDED FROM THE MOUNT AND CAUSED AN UNCONTROLLED CONDITION IN FLIGHT WHILE DESCENDING TOWARDS THE GROUND.  AFTER THE NO. 5 PROPELLER DEPARTED THE AIRCRAFT IT BECAME INVERTED AND LANDED UPSIDE DOWN. THE AIRCRAFT IMPACTED THE GROUND UNDER POWER IN AN UNCONTROLLED STATE AND WAS SUBSTANTIALLY DAMAGED STRUCTURALLY.  NO INJURIES TO PERSONS ON GROUND AND NO DAMAGE TO PROPERTY OTHER THAN UAS.  UAS REMOTE PILOT ERROR WAS NOT REPORTED NOR SUSPECTED.  TECHNICIAN INSTALLATION ERROR WAS NOT REPORTED NOR SUSPECTED.

THE AIRCRAFT WAS OPERATING NEAR THE PENDLETON, OR AIRPORT AT A PRACTICE DELIVERY SITE AND WAS NOT ENGAGED IN ACTUAL PART 135 DELIVERY OPERATIONS AT THE TIME.  LOCATION OF PRACTICE AREA WAS .75 MILES NE OF EAST END RWY 25 IN THE PUR TEST RANGE.  AIRCRAFT WAS REMOVED FROM SITE BEFORE FSDO WAS NOTIFIED THE NEXT DAY.  ON SCENE INVESTIGATION WAS NOT POSSIBLE.

CH WAS NOTIFIED BY FSDO  IIC THAT ACCIDENTS AND INCIDENTS REPORTED TO NTSB/FAA SHOULD NOT BE DISTURBED OR MOVED UNTIL AFTER RELEASE OF WRECKAGE BY NTSB OR FAA IIC.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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