Event MKC70IK038

1970-01-08 MINNEAPOLIS, Minnesota, United States None 1 aircraft Status: Completed

Aircraft involved

N93144 Boeing 720B None

Historical record (pre-1982)

NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.

Aircraft

BOEING 720B · N93144

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

Z

Total time

24,900 hrs

Pilot

Certificate

ZA (ZA)

Probable cause (from PRE1982.MDB)

RESSURE WEB. LANDED OK.

Investigator remarks

EXPLOSIVE DECOMPRESSION DUE FAILURE IN WALKWAY P

Cause factors

70/A/BY A
AIRFRAME OTHER Cause — pilot/personnel action
88/A/95 A
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause — pilot/personnel action
88/A/35 A
MISCELLANEOUS ACTS,CONDITIONS EXPLOSIVE DECOMPRESSION Cause — pilot/personnel action

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.

Source: NTSB pre-1982 historical archive. Docket 4 0003. Source file NTSB_1970_4_0003.txt. Modern CAROL record on data.ntsb.gov ↗.

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