# NTSB ENG20WA042: ATR ATR72, Ambon, Indonesia, July 3, 2020

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: July 3, 2020, 04:12 local (04:12 UTC)
- Place: Ambon, Indonesia
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Defining event: [Initial climb: Electrical system malf/failure](https://openairdocs.org/ntsb-events/332)
- Highest injury: No injuries
- Injuries: 49 uninjured
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 101947
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG20WA042
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/101947/pdf
- Page: https://openairdocs.org/ntsb/ENG20WA042

## Factual narrative

The National Transportation Safety Committee of Indonesia (KNKT) has notified the NTSB of an incident involving an ATR 72-600, which occurred on July 3, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the KNKT investigation under the provisions of ICAO Annex 13 as the State of Manufacturer and Design of aircraft components. All investigative information will be released by the KNKT.

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Initial climb: Electrical system malf/failure](https://openairdocs.org/ntsb-events/332) (defining event)

## Aircraft

- Registration: PK-WHY (not matched to a registry record)
- Reported make and model: ATR ATR72 (600)
- Category: Airplane
- Serial number: 1442
- Damage: No damage
- Flight: Non-U.S., commercial
- Airworthiness certificate: Unknown
- Departed: WAPP, Ambon
- Flight plan: Unknown
- Airport: WAPP, Pattimura International

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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