# NTSB LAX83LA110: Cessna 172G, N4611L, Antioch, CA, February 19, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 19, 1983, 14:20 local (22:20 UTC)
- Place: Antioch, CA
- Coordinates: 37.989589, -121.810592 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.9896&lon=-121.8106&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 23621
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX83LA110
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23621/pdf
- Page: https://openairdocs.org/ntsb/LAX83LA110

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, cruise - normal
  - weather condition - carburetor icing conditions (contributing factor)
  - fuel system,carburetor - ice (cause)
  - carburetor heat - improper use of, pilot in command (cause)
- Forced landing, landing - flare/touchdown
- Nose over, landing - flare/touchdown
  - terrain condition - soft (contributing factor)

## Analysis

ACCORDING TO THE LEFT SEAT PILOT THE ENGINE SPUTTERED AT 2200 RPM AND QUIT. THERE WERE WIRES OBSTRUCTING THE FIELD SELECTED FOR LANDING. THE ACFT WENT UNDER MOST OF THEM BUT CLIPPED ONE SERVICE ELECTRIC LINE. THE ACFT LANDED & ROLLED ABOUT 75 FEET BEFORE NOSING OVER IN THE MUD. THE TEMPERATURE WAS 65 DEGREES F. SEVERAL INCIDENTS OF CARBURETOR ICING WERE REPORTED TO FLT SERVICE ON THIS DAY.

## Aircraft

- Registration: [N4611L](https://openairdocs.org/aircraft/N4611L), registered now, S/N 17254606, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 172G
- Registry model: [Cessna 172G](https://openairdocs.org/model/cessna-172g) (registry code 2072420) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17254606
- Airframe hours: 1864
- Engines: CONTINENTAL O-300D 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Rae Jeane Worthlin
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 2, 1982, 21 hours before
- Departed: CCR, CONCORD, CA
- Destination: 012, ANTIOCH, CA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 341 total, 253 in this make and model, 253 as pilot in command, 3 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 30° at 6 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 64 °F
- Altimeter: 30.00 inHg
- Observed at: CCR, 8 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 19830219004579A](https://openairdocs.org/incident/19830219004579A), Feb 19, 1983: Cessna 172G, Antioch, CA, Substantial damage. Engine quit. Nosed over landing in a muddy field. Engine checked normal. Conditions good for carburetor icing.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.