MightyFly MF-100, N258MF, accident occurred on March 2, 2026, at Castle Airport (MER/KMER), Atwater, California

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed.

https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N258MF

- History of Flight:
On March 2, 2026, at about 1357 local time, a MightyFly MF-100 eVTOL, N258MF, registered to MightyFly Inc out of San Leandro, CA, was destroyed when it was involved in an accident at Castle Airport (MER/KMER), Atwater, California. There were no injuries.

Figure 1: MightFly MF-100

The FAA reported: "Aircraft on autonomous test flight, the wind caused uas to descend and crashed into the ground and caught fire." and reported the accident time as 1457 LT. However, ADS-B data show that the UAS taxied from the ramp and was traveling over the taxiway at KMER when it entered a right hand descent at around 1357 LT (see figures). At the time, the winds were from 350° at 9 knots. The NTSB is investigating.

Figure 1: Overall review of ADS-B data

Figure 2: End of track

- Weather:

METAR KMER 022055Z 35009KT 10SM CLR

METAR KMER 022155Z 35009KT 10SM CLR