# NTSB LAX82DA296: Aero Commander 500S, N9031N, Sacramento, CA, August 12, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 12, 1982, 16:05 local (23:05 UTC)
- Place: Sacramento, CA
- Coordinates: 38.510803, -121.489013 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.5108&lon=-121.4890&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report August 12, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72451
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DA296
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72451/pdf
- Page: https://openairdocs.org/ntsb/LAX82DA296

## Sequence of events

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

- Complete gear collapsed, landing - roll
  - gear retraction - inadvertent, copilot/second pilot (cause)
  - supervision - improper, pilot in command (cause)

## Analysis

PAX/PLT IN RIGHT SEAT INADVERTENTLY RAISED GEAR INSTEAD OF FLAPS.

## Aircraft

- Registration: [N9031N](https://openairdocs.org/deregistered/N9031N-2011-05-13), registration cancelled 2011-05-13, S/N 1867-43, built 1969 (OpenAirDocs)
- Reported make and model: AERO COMMANDER 500S
- Registry model: [Aero Commander 500 S](https://openairdocs.org/model/aero-commander-500-s) (registry code 0141107) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: 1867-43
- Airframe hours: 2298
- Engines: LYCOMING IO-540-E-1B5 290 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: David Bohannon Company
- Departed: SFO, SAN FRANCISCO, CA
- Destination: C, VANNUYS, CA
- Flight plan: VFR
- Airport: SAC, Executive, runway 12, 3,954 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; flight hours: 3,153 total, 51 in this make and model, 2,896 as pilot in command, 46 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 3 knots
- Visibility: 20 statute miles
- Temperature: 194 °F
- Altimeter: 29.00 inHg
- Observed at: SAC

## 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 19820812070089A](https://openairdocs.org/incident/19820812070089A), Aug 12, 1982: Gulstm 500S, Sacramento, CA, Substantial damage. Right front seat passenger retracted gear instead of flaps during landing roll.

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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