Atlas / NTSB / CHI79DET29

NTSB CAROL · Event

Event CHI79DET29

1979-09-08 ROSELAWN, Indiana, United States None 1 aircraft Status: Completed

Registry · N9585U

FAA Aircraft Registry record.

Make / Model

GRUMMAN AMERICAN AA-1C

Year of manufacture

1977 · 2 years old at event

Engine

LYCOMING 0-235 SERIES (115 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19770802

ADS-B equipped

Yes — Mode-S AD5579

Registrant of record

BUHMAN KEVIN H

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9585U Grumman AA1C 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

GRUMMAN AA1C · N9585U

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Airport

NAKED CITY

Kind of flying

B0

Weather at impact

Sky

BROKEN

Aircraft history

Serial number

000AA1C-0068

Total time

341 hrs

Pilot

Certificate

Commercial — instrument

Total hours

101

Age

46

Probable cause (from PRE1982.MDB)

HE ELECTED TO LAND.

Investigator remarks

PLT STATED ENG BEGAN TO RUN ROUGH DURING FLT SO

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
64/B/46 B
PILOT IN COMMAND MISJUDGED DISTANCE AND SPEED
88/K/DH K
MISCELLANEOUS ACTS,CONDITIONS RAN OFF END OF RUNWAY 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 2405. Source file NTSB_1979_3_2405.txt. Modern CAROL record on data.ntsb.gov ↗.

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