# NTSB LAX82DUG06: Cessna 150, N4539U, Daggett, CA, February 14, 1982

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: February 14, 1982, 13:45 local (21:45 UTC)
- Place: Daggett, CA
- Coordinates: 34.859645, -116.810111 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.8596&lon=-116.8101&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report February 14, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 70391
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DUG06
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/70391/pdf
- Page: https://openairdocs.org/ntsb/LAX82DUG06

## Sequence of events

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

- Loss of engine power, descent - normal
  - reason for occurrence undetermined (cause)
- Forced landing, landing - flare/touchdown
- In flight collision with terrain/water, landing - flare/touchdown
  - weather condition - gusts (contributing factor)

## Analysis

WHILE DESCENDING THROUGH 4000 FT MSL TO LAND, THE ENGINE BEGAN TO SURGE. THE PILOT MOVED THE MIXTURE TO FULL RICH AND SELECTED CARBURETOR HEAT, BUT THE ENGINE LOST ALL POWER. REPORTEDLY, THE AIRCRAFT WAS DEMOLISHED DURING A FORCED LANDING. DISASSEMBLY OF THE ENGINE REVEALED NO PREIMPACT FAILURE. THE WIND WAS GUSTING TO 25 KTS.

## Aircraft

- Registration: [N4539U](https://openairdocs.org/deregistered/N4539U-2012-12-07), registration cancelled 2012-12-07, S/N 15060539, built 1964 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15060539
- Airframe hours: 2800
- Engines: CONTINENTAL O-200A 100 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Stanley A. Siry
- Departed: STOVEPIPE WELLS, CA
- Destination: SALT LAKE CITY, UT
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 91 total, 91 in this make and model, 46 as pilot in command, 13 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 20 knots
- Visibility: 50 statute miles

## 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 19820214003919A](https://openairdocs.org/incident/19820214003919A), Feb 14, 1982: Cessna 150D, Daggett, CA, Destroyed. Engine quit after surging. Cartwheeled and overturned,landing in alfalfa field. Engine ran normal after accident.

## Other investigations on N4539U (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 LAX77FUG11](https://openairdocs.org/ntsb/LAX77FUG11), Nov 29, 1976: Cessna 150D (N4539U), Riverside, CA, 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.

---
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.
