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Atlas / NTSB / SEA77FYP30

NTSB CAROL · Event

Event SEA77FYP30

1977-06-11 EPHRATA, Washington, United States Minor 1 aircraft Status: Completed

Registry · N11U

FAA Aircraft Registry record.

Make / Model

BURKHART GROB FLUGZEUGBAU G102 ASTIR CS

Year of manufacture

1976 · 1 years old at event

Engine

NONE NONE

Seats / Engines

1 seats · 1 engine

Last airworthiness date

19770301

ADS-B equipped

Yes — Mode-S A02B9C

Registrant of record

UNICORN SOARING ASSOCIATES

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

BURKHRT GRB G102 · N11U

Damage

Substantial

Craft type

C

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

Part 91 (general aviation)

Kind of flying

B0

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Wind

130° / 8 kt

Temp

83° F

Aircraft history

Serial number

000000001369

Total time

17 hrs

Pilot

Certificate

Commercial — instrument

Total hours

327

Age

51

Probable cause (from PRE1982.MDB)

ROPERLY CONNECTED.NOT EQUIPPED WITH REQD TOOL.

Investigator remarks

GLIDER ASSEMBLED PRIOR TO FLT.AILERON CTLS NOT P

Cause factors

  • 68/C/D5 C
    PERSONNEL INADEQUATE INSPECTION OF AIRCRAFT (OWNER-PILOT) Cause
  • 75/C/CA C
    SYSTEMS AILERON AND AILERON TAB CONTROL SYSTEM Cause
  • 88/C/BM C
    MISCELLANEOUS ACTS,CONDITIONS DISCONNECTED Cause
  • 88/K/BT K
    MISCELLANEOUS ACTS,CONDITIONS FLUTTER Joint factor

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 1685. Source file NTSB_1977_3_1685.txt. Modern CAROL record on data.ntsb.gov ↗.