Atlas / NTSB / FTW72DRG33

NTSB CAROL · Event

Event FTW72DRG33

1971-10-21 GEORGETOWN, Texas, United States Minor 1 aircraft Status: Completed

Registry · N170P

FAA Aircraft Registry record.

Make / Model

RYAN AERONAUTICAL ST3KR

Engine

KINNER R5 SERIES (160 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19551204

ADS-B equipped

Yes — Mode-S A11A72

Registrant of record

PT-22 INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N170P Ryan ST-3KR Minor

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 ST-3KR · N170P

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Airport

GEORGETOWN

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

270° / 5 kt

Aircraft history

Serial number

000000001566

Total time

2,350 hrs

Pilot

Certificate

Commercial

Total hours

390

Age

22

Probable cause (from PRE1982.MDB)

TCH HIDDEN BY TALL GRASS. ANTIQUE ACFT.

Investigator remarks

BELL CRANK END AT FIREWALL DISINTEGRATED. HIT DI

Cause factors

74/C/I0 C
POWERPLANT THROTTLE-POWER LEVER ASSEMBLIES Cause
88/C/BM C
MISCELLANEOUS ACTS,CONDITIONS DISCONNECTED Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
83/B/E B
TERRAIN HIDDEN 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 4464. Source file NTSB_1971_3_4464.txt. Modern CAROL record on data.ntsb.gov ↗.

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