NTSB CAROL · Event
Event LAX81DUM17
Registry · N90450
FAA Aircraft Registry record.
Make / Model
ROBINSON HELICOPTER R22
Year of manufacture
1981 · 0 years old at event
TCDS
H10WE · ROBINSON HELICOPTER CO
Engine
LYCOMING 0-320 SERIES (180 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19810401
ADS-B equipped
Yes — Mode-S AC8128
Registrant of record
AIR & SEA LEASING INC
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
ROBINSON R22 · N90450
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EI
Operator type
Personal/private
Airport
MONTGOMERY
Kind of flying
B1
Weather at impact
Sky
CLEAR
Wind
260° / 10 kt
Aircraft history
Serial number
Z
Pilot
Certificate
Commercial — instrument
Total hours
3,030
Age
23
Probable cause (from PRE1982.MDB)
RE/TRANSITION TO FWD FLT,ACFT SETTLED,TAIL HIT GND
Investigator remarks
PRACTICING AUTOROTATIVE APCH.AFT BGNG NORMAL FLA
Cause factors
- 64/A/49 A PILOT IN COMMAND MISJUDGED SPEED AND ALTITUDE Cause — pilot/personnel action
- 64/A/18 A PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. 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 2323.
Source file
NTSB_1981_3_2323.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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