# NTSB LAX84LA490: Cessna 411, N323BE, Dolan Springs, AZ, September 22, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 21, 1984, 19:15 local (Sep 22, 1984, 02:15 UTC)
- Place: Dolan Springs, AZ
- Coordinates: 35.640411, -114.309562 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.6404&lon=-114.3096&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24406
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA490
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24406/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA490

## Sequence of events

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

- Nose gear collapsed, taxi - from landing
  - airport facilities,runway/landing area condition - soft (contributing factor)
  - runway maintenance - inadequate, airport personnel (cause)
  - unsafe/hazardous condition warning - not issued, airport personnel (contributing factor)
  - landing gear,nose gear assembly - overload

## Analysis

AFTER LNDG, THE PLT WAS TAXIING BACK UP THE RWY TO A PARKING AREA WHEN THE NOSE WHEEL 'FELL INTO' A SAND FILLED DEPRESSION IN THE SURFACE, COLLAPSING THE NOSE GEAR. COUNTY MAINTENANCE PERSONNEL HAD GRADED THE RWY SURFACE AFTER HEAVY RAINS BUT NO COMPACTION HAD BEEN PERFORMED. NO NOTAM OR OTHER ADVISORY HAD BEEN ISSUED.

## Aircraft

- Registration: [N323BE](https://openairdocs.org/deregistered/N323BE-2013-10-23), registration cancelled 2013-10-23, S/N 411-0230, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 411
- Registry model: [Cessna 411](https://openairdocs.org/model/cessna-411) (registry code 2075902) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 411E0320B
- Engines: CONTINENTAL GTSIO-520 340 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: James P. Minear
- Registered owner: Richard E. Rein
- Airworthiness certificate: Standard, Normal
- Departed: PO6, BULLHEAD CITY, AZ
- Destination: DOLAN SPRINGS, AZ
- Airport: Lake Mohave Ranchos

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 56; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,000 total, 200 in this make and model, 1 as pilot in command

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 130° at 5 knots
- Visibility: 75 statute miles
- Lowest ceiling: none
- Temperature: 88 °F, dew point 37 °F
- Altimeter: 29.00 inHg
- Observed at: LAS, 26 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 19840921053099A](https://openairdocs.org/incident/19840921053099A), Sep 21, 1984: Cessna 411, Dolan Springs, AZ, Substantial damage. Nose gear went into area of soft sand on runway. Gear collapsed. Sand had been used to fill holes caused by rains.

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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