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ANC79DAG32

1978-09-23 · NAKNEK, Alaska, United States · None · 1 aircraft · Status: Completed

Aircraft involved

Historical record (pre-1982 coded fields)

Aircraft
NAVION NA-1 · N4586K
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Takeoff — initial climb (C1)
Operator type
D
Airport
NAKNEK
Kind of flying
B0

Weather at impact

Sky
CLEAR
Wind
360° / 3 kt
Temp
60° F

Aircraft history

Serial number
000000001586
Total time
2,391 hrs

Pilot

Certificate
Commercial — instrument
Total hours
185
Age
22

Investigator remarks

NO 4 CYL EXHAUST VALVE GUIDE EXCESSIVELY WORN.

Cause factors

  • 74/C/AF C
    POWERPLANT VALVE ASSEMBLIES Cause
  • 88/C/95 C
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table).

Source: NTSB pre-1982 historical archive. Docket 3 4375. Source file NTSB_1978_3_4375.txt. Modern CAROL record on data.ntsb.gov ↗.

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