# NTSB WPR26LA308: Mitsubishi MU-2B-40, N5LC, Norton Shores, MI, August 15, 2026

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 4 · Limited · Investigation open
- Date: August 15, 2026, 13:31 local (17:31 UTC)
- Place: Norton Shores, MI · MKG
- Coordinates: 43.167673, -86.235438 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.1677&lon=-86.2354&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing: Landing gear not configured](https://openairdocs.org/ntsb-events/095)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Investigation ongoing
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Western Pacific Region
- Parties: FAA
- NTSB case key (mKey): 203628
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR26LA308
- Latest NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/203628/pdf
- Page: https://openairdocs.org/ntsb/WPR26LA308

## Sequence of events

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

- [Landing: Landing gear not configured](https://openairdocs.org/ntsb-events/095) (defining event); cases with it: [Mitsubishi MU-2B-40, 1 case](https://openairdocs.org/ntsb-events/095/sequence.md?model=5780440), [All aircraft, 584 cases](https://openairdocs.org/ntsb-events/095/sequence.md)

## Aircraft

- Registration: [N5LC](https://openairdocs.org/aircraft/N5LC), registered now, S/N 433 S.A. (OpenAirDocs)
- Reported make and model: MITSUBISHI MU-2B-40
- Registry model: [Mitsubishi MU-2B-40](https://openairdocs.org/model/mitsubishi-mu-2b-40) (registry code 5780440) (OpenAirDocs)
- Registry engine: [AiResearch TPE331 series](https://openairdocs.org/engine/airesearch-tpe331-series) (registry code 01514, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: 433 S.A.
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Calm Air Aviation Inc
- Registered owner: Calm Air Aviation Inc
- Departed: MKG, Muskegon, MI
- Airport: MKG, Muskegon County

## Weather

- Wind: 90° at 9 knots
- Visibility: 10 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 79 °F, dew point 63 °F
- Altimeter: 30.11 inHg
- Observed at: KMKG
- METAR: SPECI KMKG 151723Z 09009KT 10SM SCT025 SCT085 BKN250 26/17 A3011 RMK AO2 T02560172 $

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 20260815009929A](https://openairdocs.org/incident/20260815009929A), Aug 15, 2026: Mitsubishi MU-2B-40, Muskegon, MI, Substantial damage. On August 15, 2026, at approximately 1359 EDT, a Mitsubishi MU-2 solitaire aircraft, registered as [privacy data omitted], experienced gear-up landing at…

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

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