Atlas / NTSB / NYC77FA085

NTSB CAROL · Event

Event NYC77FA085

1977-08-21 PITTSBURGH, Pennsylvania, United States Fatal 1 aircraft Status: Completed

Aircraft involved

N446Q Beech P35 Fatal

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

BEECH P35 · N446Q

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

Personal/private

Airport

ALLEGHENEY CO

Kind of flying

A0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

0000000D6934

Total time

2,062 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,252

Age

28

Probable cause (from PRE1982.MDB)

E BEARING ROTATED.LNDD ON DOWN SLOPE OF GOLF CSR.

Investigator remarks

CRANKSHAFT FAILED RESULT OF FATIGUE IN AREA WHER

Cause factors

68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
74/C/AB C
POWERPLANT CRANKSHAFT Cause
88/C/36 C
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
83/K/Y K
TERRAIN OTHER Joint factor

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 4172. Source file NTSB_1977_3_4172.txt. Modern CAROL record on data.ntsb.gov ↗.

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