Mar 1, 2024
Incident
Minor Missoula, MT
InjuriesNone
Phase of Flight-
ConditionsUnk
OperationFAR PUBU
Probable Cause
The use of a new long term fire retardant with a chemical composition incompatible with the retardant previously in use for the integration-operational field evaluation without adequate testing and qualification.
NTSB ENG24LA012