Atlas / NTSB / IAD78FID21

NTSB CAROL · Event

Event IAD78FID21

1978-08-17 ROANOKE, Virginia, United States None 1 aircraft Status: Completed

Registry · N67699

FAA Aircraft Registry record.

Make / Model

HILLER OH-23B

Year of manufacture

1951 · 27 years old at event

TCDS

6H2 · SIAM HILLER HOLDINGS INC

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19770324

ADS-B equipped

Yes — Mode-S A8F5B7

Registrant of record

GOERIG PATRICK M

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N67699 HILLER ACFT UH-12B None

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

HILLER ACFT UH-12B · N67699

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

D

Kind of flying

A1

Weather at impact

Sky

OVERCAST/LOWER SCATTERED

Wind

340° / 6 kt

Temp

81° F

Aircraft history

Serial number

000000000430

Total time

2,127 hrs

Pilot

Certificate

Airline transport

Total hours

48

Age

34

Probable cause (from PRE1982.MDB)

FUEL PUMP.BOOST PUMP NOT USED.ANNUAL INSP SAME DAY

Investigator remarks

FUEL LEAKAGE.LOOSE B NUT,SUPPLY SIDE ENG DRIVEN

Cause factors

68/C/D0 C
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
74/C/CB C
POWERPLANT LINES AND FITTINGS Cause
88/C/AV C
MISCELLANEOUS ACTS,CONDITIONS LOOSE,PART/FITTING Cause
88/C/AJ C
MISCELLANEOUS ACTS,CONDITIONS LEAK/LEAKAGE Cause
88/C/96 C
MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION Cause
64/B/18 B
PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
64/L/20 L
PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
88/L/07 L
MISCELLANEOUS ACTS,CONDITIONS IMPROPER EMERGENCY PROCEDURES
83/K/F K
TERRAIN ROUGH/UNEVEN 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 2181. Source file NTSB_1978_3_2181.txt. Modern CAROL record on data.ntsb.gov ↗.

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