# NTSB LAX86LA355: Aero Commander 112A, N1455J, El Monte, CA, September 17, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 17, 1986, 12:00 local (19:00 UTC)
- Place: El Monte, CA
- Coordinates: 34.069862, -118.010208 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.0699&lon=-118.0102&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25263
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA355
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25263/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA355

## Sequence of events

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

- On ground/water collision with object, standing - starting engine(s)
  - object - aircraft parked/standing (contributing factor)
  - starting procedure - inattentive, pilot in command (cause)
  - aircraft unattended/engine(s) running - intentional, pilot in command (cause)

## Analysis

THE PILOT STATED THAT THE ENGINE WOULD NOT START SO HE SECURED THE LEFT WING AND HAND PROPPED THE ENGINE. WHEN THE ENGINE STARTED, THE AIRCRAFT BEGAN MOVING IN A CIRCULAR PATH TO THE LEFT AND COLLIDED WITH A PARKED AIRCRAFT.

## Aircraft

- Registration: [N1455J](https://openairdocs.org/deregistered/N1455J-1996-08-01), registration cancelled 1996-08-01, S/N 455 (OpenAirDocs)
- Reported make and model: AERO COMMANDER 112A
- Registry model: [Rockwell International 112A](https://openairdocs.org/model/rockwell-international-112a) (registry code 7630302) (OpenAirDocs)
- Category: Airplane
- Serial number: 455
- Airframe hours: 670
- Engines: LYCOMING IO-360-C1D6 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Robert S. Herrick
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 1, 1986, 30 hours before
- Airport: EMT, El Monte

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 1,100 total, 600 in this make and model, 1,100 as pilot in command, 4 in the last 90 days, 2 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 8 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Altimeter: 29.00 inHg
- Observed at: EMT

## 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 19860917075569A](https://openairdocs.org/incident/19860917075569A), Sep 17, 1986: Gulstm 112A, El Monte, CA, Substantial damage. The pilot secured one wing and then hand propped the engine. The aircraft moved in a circle,striking another plane.

## Other investigations on N1455J (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 MIA96LA010](https://openairdocs.org/ntsb/MIA96LA010), Oct 18, 1995: Rockwell 112A (N1455J), Meridianville, AL, substantial damage. Probable cause: LOSS OF ENGINE POWER DUE TO INADEQUATE MAINTENANCE DURING THE 100-HOUR ANNUAL. CONTRIBUTING TO THE ACCIDENT WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.

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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