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Atlas / NTSB / ANC67F0072

NTSB CAROL · Event

Event ANC67F0072

1966-09-10 NORTHWAY, Alaska, United States Serious 1 aircraft Status: Completed

Registry · N5763D

FAA Aircraft Registry record.

Make / Model

PIPER PA-18-150

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560924

ADS-B equipped

Yes — Mode-S A76778

Registrant of record

GRONNING CHRIS D

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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 PA-18 · N5763D

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Airport

CANYON CREEK

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

225° / — kt

Temp

40° F

Aircraft history

Total time

2,490 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,900

Age

53

Probable cause (from PRE1982.MDB)

S SUMMIT.ENCOUNTERED DOWNDRAFTS,DESCND.INTO CANYON

Investigator remarks

PLT APPR.MT AIRSTRIP TOO LOW ALT TO CLEAR MT PAS

Cause factors

  • 64/A/33 A
    PILOT IN COMMAND EXERCISED POOR JUDGMENT Cause — pilot/personnel action
  • 88/A/20 A
    MISCELLANEOUS ACTS,CONDITIONS FLEW INTO BLIND CANYON Cause — pilot/personnel action
  • 82/A/M A
    WEATHER DOWNDRAFT,UPDRAFTS 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 2 0772. Source file NTSB_1966_2_0772.txt. Modern CAROL record on data.ntsb.gov ↗.