Safety recommendation
NTSB Recommends Changes to Flight Handbook Procedures
Trans World Airlines Inc. is urged to revise takeoff data computation protocols.
The National Transportation Safety Board has recommended that Trans World Airlines, Inc. amend the "normal procedures" section of the B-727 flight handbook. The recommendation includes requiring the designation of a flightcrew member responsible for takeoff data computations and a different member of the flightcrew responsible for verifying those computations.
Original regulatory source: https://data.ntsb.gov/carol-main-public/sr-details/A-90-022