# NTSB SEA84IA125: Beech 1900C, N123CZ, Spokane, WA, June 4, 1984

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: June 4, 1984, 10:48 local (17:48 UTC)
- Place: Spokane, WA
- Location: 47.6190° N, 117.5352° W: Placed by OpenAirDocs at SPOKANE INTL (GEG), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6190&lon=-117.5352&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed
- Report: Approved by Office Director
- Safety recommendations: Yes
- NTSB case key (mKey): 39837
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84IA125
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39837/pdf
- Page: https://openairdocs.org/ntsb/SEA84IA125

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Fire/explosion, takeoff - initial climb
  - electrical system - shorted (cause)

## Analysis

DURING CLIMBOUT FROM RWY 21, AT AN ALT OF ABOUT 500 FT, SMOKE, FIRE & SPARKS ERUPTED FROM THE LOWER & UPPER FORWARD CORNERS OF THE CIRCUIT BREAKER PANEL ON THE F/O SIDEWALL. THE CAPT TOOK CONTROL OF THE ACFT & LANDED THE ACFT ON RWY 03. INVESTIGATION REVEALED SEVERAL AREAS OF POTENTIAL CHAFING OR SHORTING ON THE INTERIOR SIDE OF THE PANEL.

## Aircraft

- Registration: N123CZ (not matched to a registry record)
- Reported make and model: BEECH 1900C
- Category: Airplane
- Serial number: UB-10
- Airframe hours: 76
- Engines: P&W PT6-65 1100 horsepower turbo prop
- Damage: Minor damage
- Fire: In-Flight
- Flight: Part 135
- Operator: Cascade Airways
- Registered owner: Beech Acceptance
- Airworthiness certificate: Standard, Normal
- Departed: GEG, SPOKANE, CA
- Destination: PDX, PORTLAND, OR
- Flight plan: IFR
- Airport: GEG, Spokane Int'L, runway 3, 9,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; airline transport, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 15,000 total, 150 in this make and model, 14,000 as pilot in command, 5 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 190° at 5 knots
- Visibility: 3 statute miles
- Lowest ceiling: 900 ft overcast
- Temperature: 50 °F, dew point 48 °F
- Altimeter: 29.00 inHg
- Observed at: GEG

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19840604029209I](https://openairdocs.org/incident/19840604029209I), Jun 4, 1984: Beech 1900C, Spokane, WA, Substantial damage. Smoke in cockpit from circuit breaker panel. Master switch pulled. Returned to field found a shorted lower bus bar.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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