Atlas / NTSB / ANC74FAA15

NTSB CAROL · Event

Event ANC74FAA15

1973-09-21 CLEAR, Alaska, United States None 1 aircraft Status: Completed

Registry · N9855D

FAA Aircraft Registry record.

Make / Model

PIPER PA-18A 150

Year of manufacture

1959 · 14 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

1 seats · 1 engine

Last airworthiness date

19890518

ADS-B equipped

Yes — Mode-S ADC0C2

Registrant of record

MCGHAN CONSTRUCTION CO INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9855D Piper PA-18 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 PA-18 · N9855D

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Kind of flying

B0

Weather at impact

Sky

BROKEN

Wind

360° / 10 kt

Temp

55° F

Aircraft history

Serial number

0000018-6936

Total time

1,568 hrs

Pilot

Certificate

Commercial — instrument

Total hours

4,000

Age

47

Probable cause (from PRE1982.MDB)

HIT BRUSH.

Investigator remarks

FOREIGN MATERIAL IN GASCOLATOR & FILTER SCREEN.

Cause factors

64/C/29 C
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause
88/C/96 C
MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION Cause
84/C/G C
MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause
83/K/I K
TERRAIN HIGH OBSTRUCTIONS 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 2980. Source file NTSB_1973_3_2980.txt. Modern CAROL record on data.ntsb.gov ↗.

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