Atlas / NTSB / FTW78FPD11

NTSB CAROL · Event

Event FTW78FPD11

1977-12-18 DENTON, Texas, United States None 1 aircraft Status: Completed

Aircraft involved

N4181K Ryan Navion 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

RYAN NAVION · N4181K

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Night

Weather

VMC

Phase of flight

EB

Operator type

D

Airport

HIDDEN VALLEY

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

40° F

Aircraft history

Serial number

0000004-1181

Total time

2,601 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

2,133

Age

39

Cause factors

64/A/17 A
PILOT IN COMMAND MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE 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 3773. Source file NTSB_1977_3_3773.txt. Modern CAROL record on data.ntsb.gov ↗.

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