Atlas / NTSB / FTW80FRG03

NTSB CAROL · Event

Event FTW80FRG03

1979-10-12 SAN MARCOS, Texas, United States None 1 aircraft Status: Completed

Registry · N5993W

FAA Aircraft Registry record.

Make / Model

PIPER PA-28-140

Year of manufacture

1968 · 11 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19680816

ADS-B equipped

Yes — Mode-S A7C1AC

Registrant of record

SWINFORD AARON R

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N5993W Piper PA-28 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-28 · N5993W

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

D1

Operator type

D

Airport

SAN MARCOS MUNI

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

180° / 2 kt

Temp

75° F

Aircraft history

Serial number

000028-24798

Total time

3,218 hrs

Pilot

Certificate

Commercial — instrument

Total hours

86

Age

25

Probable cause (from PRE1982.MDB)

G FORCED LNDG AT NGT.

Investigator remarks

NO.3 EXHAUST VALVE FAILED.COLLIDED W PWR LINE DR

Cause factors

74/C/AF C
POWERPLANT VALVE ASSEMBLIES Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
83/B/I B
TERRAIN HIGH OBSTRUCTIONS

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 3034. Source file NTSB_1979_3_3034.txt. Modern CAROL record on data.ntsb.gov ↗.

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