# NTSB LAX84LA159: Beech D55, N873LB, Monterey, CA, January 24, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 24, 1984, 10:34 local (18:34 UTC)
- Place: Monterey, CA
- Coordinates: 36.600063, -121.879135 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.6001&lon=-121.8791&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24155
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA159
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24155/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA159

## Sequence of events

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

- Gear collapsed, landing
  - reason for occurrence undetermined (cause)

## Analysis

ACCORDING TO THE PLT, HE EXTENDED THE GEAR & FLAPS BEFORE LANDING, & ON FINAL APCH, HE RECHECKED THAT THE GEAR WAS DOWN & THE GREEN GEAR DOWN & LOCKED LIGHT WAS ILLUMINATED. HE & BOTH PASSENGERS REPORTED THAT THE ACFT TOUCHED DOWN ON THE WHEELS, THEN IT SETTLED ON ITS BELLY & SLID TO A STOP. AFTER STOPPING A FIRE STARTED BUT WAS CONTAINED BY THE FIRE DEPARTMENT. HORIZONTAL SCRAPE MARKS WERE FOUND ON THE LANDING GEAR DOORS WHICH WAS INDICATIVE OF THE ACFT SLIDING WITH THE GEAR IN THE RETRACTED POSITION. NO PREIMPACT PART/COMPONENT FAILURE OF MALFUNCTION WAS FOUND.

## Aircraft

- Registration: [N873LB](https://openairdocs.org/deregistered/N873LB-2001-10-22), registration cancelled 2001-10-22, S/N TE-711, built 1969 (OpenAirDocs)
- Reported make and model: BEECH D55
- Registry model: [Beech D55](https://openairdocs.org/model/beech-d55) (registry code 1152730) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 711
- Airframe hours: 7123
- Engines: CONTINENTAL IO-520-C 260 horsepower reciprocating
- Damage: Substantial damage
- Fire: On-Ground
- Flight: Personal, Part 91
- Registered owner: W.H. Coffey
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 1, 1983, 82 hours before
- Airport: Monterey Peninsula, runway 28, 6,600 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; commercial; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 2, invalid medical for flight; seat: left; flight hours: 1,135 total, 10 in this make and model, 1,021 as pilot in command, 6 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 70° at 4 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 63 °F, dew point 43 °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 19840124001719A](https://openairdocs.org/incident/19840124001719A), Jan 24, 1984: Beech 9555, Monterey, CA, Substantial damage. Landed gear up. Pilot and passengers believed gear collapsed after landing. Damage shows gear was up on touchdown.

## Other investigations on N873LB (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 FTW96FA373](https://openairdocs.org/ntsb/FTW96FA373), Sep 5, 1996: Beech D55 (N873LB), Corsicana, TX, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain minimum control airspeed which resulted in the loss of control. Factors were the bent collar of the left main fuel tank refueling neck which resulted in fuel siphoning…

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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