No fatalities

18 Mar 2021: CESSNA 210 N — Marianna, FL

Marianna, FL, United States

On 18 Mar 2021, a CESSNA 210 N was involved in an aviation accident near Marianna, FL. No fatalities were reported. Investigators recorded the probable cause as: The failure of the alternator control unit housing plug connection, which resulted in insufficient battery power to fully extend the landing gear. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

Probable cause

The failure of the alternator control unit housing plug connection, which resulted in insufficient battery power to fully extend the landing gear. Contributing to the accident was the pilot’s decision to not use the emergency gear extension handle to secure the gear prior to landing.

— NTSB Determination

Contributing factors

InoperativeDamaged/degradedPilotNot used/operated