Answer: NTSB

AnswerCrossword Clue
NTSBFed. crash-probing agcy.
NTSBUS accident investigator
NTSBWreck-checking agcy.
NTSBAgcy. that investigates crashes
NTSBFed. wreck checker
NTSBIt investigates RR accidents
NTSBAirline regulatory agcy.
NTSBAirline regulator: Abbr.
NTSBCrash-probe org.
NTSBIt may delve into a derailment: Abbr.
NTSBWreck checker: Abbr.
NTSBWreck-checking org.
NTSBPipeline accident investigator: Abbr.
NTSBInvestigator of many accidents, for short
NTSBAccident investigator, for short
NTSBAccident investigation org.
NTSBCrash investigators: abbr.
NTSBGovt. branch that responds to plane crashes
NTSBFAA ally
NTSBAmtrak overseer: abbr.
NTSBInvestigative org.
NTSBAirline accident investigator (Abbr.)
NTSBAirplane accident investigator, initially
NTSBCrash scene org.
NTSBOrg. established in 1967 that took over the investigative functions of the Civil Aeronautics Board
NTSBAgcy. that analyzes black boxes
NTSBGrp. called in when things go off the rails?
NTSBFederal investigative grp.
NTSBAccident-investigating agcy.
NTSBOrg. that investigates crashes
NTSBCrash-site grp.
NTSBPlane-crash grp.
NTSBCrash investigation org.
NTSBU.S. accident investigator
NTSBAccident investigation gp.
NTSBFed. travel monitor
NTSBRR wreck checker
NTSBFed. accident investigator
NTSBGovt. travel watchdog
NTSBAccident investigation agcy.