| Answer | Crossword Clue |
|---|---|
| NTSB | Govt. investigative org. |
| HUAC | Investigative govt. gp. created in 1938 |
| NTSB | Investigative org. |
| CIA | Investigative org. |
| NTSB | Airline investigative org. |
| NTSB | Org. established in 1967 that took over the investigative functions of the Civil Aeronautics Board |
