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Atlas / NTSB / MKC71DCD69

NTSB CAROL · Event

Event MKC71DCD69

1971-04-07 ANKENY, Iowa, United States Minor 1 aircraft Status: Completed

Registry · N4571H

FAA Aircraft Registry record.

Make / Model

PIPER PA-15

Year of manufacture

1948 · 23 years old at event

Engine

LYCOMING 0-145B SERIES (65 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560524

ADS-B equipped

Yes — Mode-S A58EA0

Registrant of record

COSTA FELIPE R

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-15 · N4571H

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

SEXAUER FIELD

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

210° / 16 kt

Temp

72° F

Aircraft history

Serial number

00000015-345

Total time

999 hrs

Pilot

Certificate

Commercial — instrument

Total hours

355

Age

50

Probable cause (from PRE1982.MDB)

S IN THIS MAKE AND MODEL ACFT.

Investigator remarks

30DEG X-WIND GUSTING 20K. PLT HAD ONLY 15 MINUTE

Cause factors

  • 64/A/31 A
    PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT Cause — pilot/personnel action
  • 64/A/28 A
    PILOT IN COMMAND IMPROPER COMPENSATION FOR WIND CONDITIONS Cause — pilot/personnel action
  • 82/A/H A
    WEATHER UNFAVORABLE WIND CONDITIONS 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 3 1174. Source file NTSB_1971_3_1174.txt. Modern CAROL record on data.ntsb.gov ↗.