# NTSB LAX86LA147: Mooney M20F, N9591M, Burbank, CA, March 19, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 19, 1986, 09:36 local (17:36 UTC)
- Place: Burbank, CA
- Coordinates: 34.17052, -118.339294 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.1705&lon=-118.3393&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 10, 1988
- Report: Approved by Office Director
- ADs cited in the narratives: [AD 73-21-01](https://openairdocs.org/ad/73-21-01) (OpenAirDocs)
- NTSB case key (mKey): 25097
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA147
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25097/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA147

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - flight control,elevator - binding(mechanical) (cause)
  - maintenance,compliance with ad - not followed, other maintenance personnel (cause)
  - flt control syst,elevator control - fatigue (cause)
  - maintenance,lubrication - not performed, other maintenance personnel (cause)
  - flight control,elevator - inoperative (cause)
  - maintenance,annual inspection - inadequate, other maintenance personnel (cause)
- In flight collision with terrain/water, landing - flare/touchdown
  - flight control,elevator - movement restricted (cause)
  - flare - not possible, pilot in command (cause)

## Analysis

THE ACFT WAS LANDED NOSE LOW AFTER FLYING THE PATTERN WITH A FLT CONTROL PROBLEM. THE PLT SAID HE NOTICED THE LACK OF ELEVATOR CONTROL DURING INITIAL CLIMB AND CAME BACK IN FOR A PRECAUTIONARY LANDING. THE ELEVATOR WAS FOUND TO BE INOPERATIVE DUE TO A BROKEN BEARING (PART #914012-015) THE SUBJECT OF AN AD 73-21-01 EFF 10/73, CONCERNING LUBRICATION.

## Aircraft

- Registration: [N9591M](https://openairdocs.org/aircraft/N9591M), registered now, S/N 670168 (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 670168
- Airframe hours: 1586
- Engines: LYCOMING IO-360A1A 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: James Peck & Associates
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 21, 1985, 12 hours before
- Departed: BUR, BURBANK, CA
- Destination: TSP, TEHACHAPI, CA
- Airport: BUR, Burbank Glendale Pasadena, runway 15, 6,902 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 60; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 286 total, 61 in this make and model, 241 as pilot in command, 3 in the last 90 days, 2 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 5 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 66 °F, dew point 36 °F
- Altimeter: 30.00 inHg
- Observed at: BUR, 5 nm away

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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