Atlas / NTSB / OAK77DVA28

NTSB CAROL · Event

Event OAK77DVA28

1977-04-23 MODESTO, California, United States None 1 aircraft Status: Completed

Registry · N9439G

FAA Aircraft Registry record.

Make / Model

PDPS PZL-BIELSKO SZD-54 PERKOZ

Year of manufacture

1991

Engine

NONE NONE

Seats / Engines

1 seats · 1 engine

Last airworthiness date

20070529

ADS-B equipped

Yes — Mode-S AD1BE7

Registrant of record

KOENIG COLLEEN M

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9439G Cessna TU206E 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

CESSNA TU206E · N9439G

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

MODESTO

Kind of flying

A1

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Wind

290° / 5 kt

Temp

82° F

Aircraft history

Serial number

000020601639

Total time

1,289 hrs

Pilot

Certificate

Airline transport

Total hours

48

Age

29

Cause factors

64/C/25 C
PILOT IN COMMAND IMPROPER LEVEL OFF Cause
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE 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 0579. Source file NTSB_1977_3_0579.txt. Modern CAROL record on data.ntsb.gov ↗.

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