# NTSB LAX84LA191: Cessna 180A, N9764B, Truckee, CA, February 19, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 19, 1984, 15:20 local (23:20 UTC)
- Place: Truckee, CA
- Location: 39.3201° N, 120.1396° W: Placed by OpenAirDocs at TRUCKEE-TAHOE (TRK), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.3201&lon=-120.1396&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24179
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA191
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24179/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA191

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - aircraft preflight - inadequate, pilot in command (cause)
  - landing gear,normal brake system - frozen (cause)
  - directional control - not possible
  - ground loop/swerve - uncontrolled
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snow covered (contributing factor)

## Analysis

PRIOR TO TAKEOFF, THE PLT HAD TO PUSH THE ACFT OUT OF MUD WHERE THE RIGHT LANDING GEAR HAD SUNK INTO THE GROUND. HE TOOK OFF AND FLEW FOR 1/2 AN HOUR. THE PLT REPORTED THAT DURING THE LANDING, THE RIGHT BRAKE SEEMED TO BE FROZEN AND THE ACFT SWERVED TO THE RIGHT. AS THE ACFT SWERVED INTO SNOW BESIDE THE RWY, THE LEFT WING DIPPED, AND THE LEFT GEAR STRUT & THE ELEVATOR WERE DAMAGED.

## Aircraft

- Registration: [N9764B](https://openairdocs.org/aircraft/N9764B), registered now, S/N 50062, built 1957 (OpenAirDocs)
- Reported make and model: CESSNA 180A
- Registry model: [Cessna 180A](https://openairdocs.org/model/cessna-180a) (registry code 2072604) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 50062
- Airframe hours: 3300
- Engines: CONTINENTAL O-470-K 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Loring Sagan
- Registered owner: B.J.B. Corp.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 2, 1983, 20 hours before
- Departed: 079, SIERRAVILLE, CA
- Destination: TRK, TRUCKEE-TAHOE, NV
- Airport: TRK, Truckee-Tahoe, runway 28, 6,401 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 160 total, 53 in this make and model, 149 as pilot in command, 19 in the last 90 days, 102 in the last 30 days, 70 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °F
- Altimeter: 30.00 inHg

## 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 19840219004299A](https://openairdocs.org/incident/19840219004299A), Feb 19, 1984: Cessna 180A, Truckee, CA, Substantial damage. Failed to clean mud from brakes on preflight. Right brake froze in flight. Swerved on landing, damaged left wing.

## Other investigations on N9764B (3)

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 LAX80DXQ14](https://openairdocs.org/ntsb/LAX80DXQ14), Jan 25, 1980: Cessna 180A (N9764B), Truckee, CA, substantial damage
- [NTSB CHI67A0006](https://openairdocs.org/ntsb/CHI67A0006), Jul 11, 1966: Cessna 180A (N9764B), Detroit, MI, substantial damage
- [NTSB CAN65C0037](https://openairdocs.org/ntsb/CAN65C0037), Sep 28, 1965: Cessna 180A (N9764B), Toronto, Canada, 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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