Atlas / NTSB / ANC72FAG24

NTSB CAROL · Event

Event ANC72FAG24

1971-08-14 SKWENTNA, Alaska, United States Minor 1 aircraft Status: Completed

Registry · N22873

FAA Aircraft Registry record.

Make / Model

BEECH 1900

Seats / Engines

19 seats · 2 engines

ADS-B equipped

Yes — Mode-S A20222

Registrant of record

TVPX AIRCRAFT SOLUTIONS INC TRUSTEE

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N22873 Cessna 150H 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

CESSNA 150H · N22873

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Personal/private

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000015068580

Total time

2,213 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

309

Age

37

Probable cause (from PRE1982.MDB)

DRA.

Investigator remarks

NR 4 INTK VALVE FAILED,PLT LNDD ACFT ON SOFT TUN

Cause factors

74/C/AF C
POWERPLANT VALVE ASSEMBLIES Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
83/B/A B
TERRAIN WET,SOFT GROUND

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 3019. Source file NTSB_1971_3_3019.txt. Modern CAROL record on data.ntsb.gov ↗.

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