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Atlas / NTSB / ANC81IA078

NTSB CAROL · Event

Event ANC81IA078

1981-07-08 COBBLESTONE, Alaska, United States None 1 aircraft Status: Completed

Registry · N424RD

FAA Aircraft Registry record.

Make / Model

PIPER PA-18A 150

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

1 seats · 1 engine

Last airworthiness date

19560806

ADS-B equipped

Yes — Mode-S A50BF6

Registrant of record

TORIN THOMAS ROSCHINGER

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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

LEAR JET 25 · N424RD

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

E

Airport

COBBLESTONE

Kind of flying

CI

Weather at impact

Sky

OVERCAST/LOWER SCATTERED

Temp

48° F

Aircraft history

Serial number

000000000016

Total time

6,602 hrs

Pilot

Certificate

GA (GA)

Total hours

5,500

Age

30

Probable cause (from PRE1982.MDB)

.

Investigator remarks

NOSE WHL STEERING SERVO,SN 025-2380066-68,FAILED

Cause factors

  • 70/C/CP C
    AIRFRAME NOSEWHEEL STEERING Cause
  • 75/C/AK C
    SYSTEMS MOTORS Cause
  • 88/C/95 C
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
  • 80/K/BA K
    AIRPORTS/AIRWAYS/FACILITIES WET RUNWAY Joint factor
  • 80/C/BD C
    AIRPORTS/AIRWAYS/FACILITIES SNOW WINDROWS Cause

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 5 0065. Source file NTSB_1981_5_0065.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗