NTSB CAROL · Event
Event SEA80FYP28
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
TEXAS HEL OH-13H · N51855
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dusk
Weather
VMC
Phase of flight
Takeoff — initial climb (C1)
Operator type
Part 135 (air taxi/commuter)
Kind of flying
CB
Weather at impact
Sky
CLEAR
Temp
78° F
Aircraft history
Serial number
00000078-022
Total time
1,115 hrs
Pilot
Certificate
Commercial
Total hours
11,765
Age
34
Investigator remarks
HYD PUMP WORN & CONTAMINATED WITH VOLCANIC ASH.
Cause factors
- 78/A/C0 A ROTORCRAFT CYCLIC PITCH CONTROL SYSTEM Cause — pilot/personnel action
- 75/A/BB A SYSTEMS HYDRAULIC PUMPS Cause — pilot/personnel action
- 84/A/G A MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause — pilot/personnel action
- 88/A/BQ A MISCELLANEOUS ACTS,CONDITIONS EXCESSIVE-WEAR/PLAY 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 2165.
Source file
NTSB_1980_3_2165.txt.
Modern CAROL record on
data.ntsb.gov ↗.
Beyond the agency record
Search this event elsewhere.
Pre-filled searches into the sources where news + community discussion of aviation events lives. External sources are reported, not agency. Treat them as signal that something happened, not as fact about what happened.
Entity-clustered aviation events in the press — last 24 hr + 30-day archive.
Official agency record + docket.
Investigative docket: factual reports, photos, transcripts.
Long-running aviation incident database (Flight Safety Foundation).
Community NTSB synthesis blog — often has photos and witness reports.
Gold-standard aviation incident blog.
Aviation industry news search.
GA pilot forum — informed but rumor-prone.
GA pilot subreddit search.
Tail-number page — flight history (free tier limited).
AOPA Air Safety Institute search.
Mainstream press coverage. Recent events only.
Privacy-preserving news search.
External links open in a new tab. We don't ingest their content; we deep-link search queries.