Atlas / NTSB / UNK64X0948

NTSB CAROL · Event

Event UNK64X0948

1964-03-16 ADRIAN, Michigan, United States None 1 aircraft Status: Completed

Aircraft involved

N3169P Piper PA23 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

PIPER PA23 · N3169P

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Personal/private

Airport

ADRIAN

Kind of flying

B1

Aircraft history

Total time

1,306 hrs

Pilot

Certificate

B2 (B2)

Total hours

1,800

Age

344

Probable cause (from PRE1982.MDB)

WN LOCK FROM SEATING FULLY. REASON UNDETERMINED

Investigator remarks

NOSE GEAR DRAG STRUT BENT ONE INCH PREVENTING DO

Cause factors

70/C/CM C
AIRFRAME GEAR LOCKING MECHANISM Cause
88/L/AZ L
MISCELLANEOUS ACTS,CONDITIONS BENT

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 3 0627. Source file NTSB_1964_3_0627.txt. Modern CAROL record on data.ntsb.gov ↗.

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