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Atlas / NTSB / SEA77DYE15

NTSB CAROL · Event

Event SEA77DYE15

1977-03-24 LANGLEY, Washington, United States Minor 1 aircraft Status: Completed

Registry · N117JS

FAA Aircraft Registry record.

Make / Model

VAN'S AIRCRAFT RV-4

Year of manufacture

1992

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19920814

ADS-B equipped

Yes — Mode-S A0470D

Registrant of record

MARTIN THOMAS S

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

VOLMER VT22 · N117JS

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DC

Operator type

D

Airport

PORTERS FIELD

Kind of flying

DB

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Wind

180° / 10 kt

Temp

50° F

Aircraft history

Serial number

0000000011JS

Pilot

Certificate

Commercial

Total hours

613

Age

37

Probable cause (from PRE1982.MDB)

TL SPEED.PLT STATES,CTLS INEFFECTIVE IN SPIN.

Investigator remarks

HOMEBUILT ACFT.FIRST FLT.PLT PRACTICING AT MIN C

Cause factors

  • 64/A/16 A
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action
  • 64/A/31 A
    PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT 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 0962. Source file NTSB_1977_3_0962.txt. Modern CAROL record on data.ntsb.gov ↗.