# NTSB SEA82DA116: Beech C45G, N4758N, Sheridan, OR, July 18, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 17, 1982, 19:00 local (Jul 18, 1982, 02:00 UTC)
- Place: Sheridan, OR
- Coordinates: 45.099323, -123.420761 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.0993&lon=-123.4208&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 17, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72612
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA82DA116
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72612/pdf
- Page: https://openairdocs.org/ntsb/SEA82DA116

## Sequence of events

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

- Nose over, landing - flare/touchdown
  - landing gear,normal brake system - corroded (cause)
  - maintenance - improper, other maintenance personnel (cause)
  - landing gear,normal brake system - locked (cause)

## Analysis

THE AIRCRAFT WAS ON A FUNCTIONAL CHECK FLIGHT. ACCORDING TO THE PILOT AND A WITNESS (EMPLOYED BY THE PILOT), THE LEFT BRAKE WAS LOCKED DURING TOUCHDOWN. SUBSEQUENTLY, THE AIRCRAFT NOSED OVER AND A GROUND FIRE ERUPTED WHICH DESTROYED THE PLANE. THE PILOT REPORTED THAT THE LEFT BRAKE HAD LOCKED DUE TO RUST AND CORROSION AND THAT THE AIRCRAFT LOGBOOKS WERE DESTROYED IN THE FIRE.

## Aircraft

- Registration: [N4758N](https://openairdocs.org/deregistered/N4758N-2012-12-13), registration cancelled 2012-12-13, S/N 8440, built 1945 (OpenAirDocs)
- Reported make and model: BEECH C45G
- Registry model: [Beech C18S](https://openairdocs.org/model/beech-c18s) (registry code 1150902) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 8440
- Airframe hours: 4000
- Engines: P&W R-985-AN14B 450 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Part 91
- Operator: Sheridan Flying Service
- Registered owner: Sheridan Flying Service
- Departed: 44S, SHERIDAN, OR
- Destination: 44S, SHERIDAN, OR
- Airport: 44S, Sheridan, runway 25, 3,000 × 40 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 2, unknown; flight hours: 4,000 total, 500 in this make and model, 4,000 as pilot in command, 100 in the last 90 days, 50 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 10 knots
- Visibility: 40 statute miles
- Temperature: 185 °F
- Altimeter: 29.00 inHg
- Observed at: SLE, 20 nm away

## FAA reports on this event (1)

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

- [Accident 19820717050529A](https://openairdocs.org/incident/19820717050529A), Jul 17, 1982: Beech C45G, Sheridan, OR, Destroyed. Left brake L0CKED on touchdown. Airplane nosed up and burned. Brake disc rusty and corroded.

## Other investigations on N4758N (1)

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.

- [NTSB SEA77DYM57](https://openairdocs.org/ntsb/SEA77DYM57), Aug 14, 1977: Beech C-18S (N4758N), Sheridan, OR, substantial damage

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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