# Oil

- Type: NTSB finding subsection
- Path: [Aircraft](https://openairdocs.org/ntsb-findings/01) › [Fluids/misc hardware](https://openairdocs.org/ntsb-findings/0107) › [Fluids](https://openairdocs.org/ntsb-findings/010710) › Oil
- NTSB code: 01071020
- Cases: 174
- In the probable cause: 157
- Fatal cases: 25
- All cases: https://openairdocs.org/ntsb-findings/01071020/cases.md
- Cases with it in the probable cause: https://openairdocs.org/ntsb-findings/01071020/cases.md?cause=1
- Page: https://openairdocs.org/ntsb-findings/01071020

## Cases per year (in the probable cause / all)

- 2008: 9 / 10
- 2009: 8 / 11
- 2010: 5 / 8
- 2011: 5 / 5
- 2012: 17 / 18
- 2013: 6 / 6
- 2014: 12 / 14
- 2015: 13 / 13
- 2016: 11 / 11
- 2017: 15 / 15
- 2018: 9 / 10
- 2019: 12 / 14
- 2020: 8 / 9
- 2021: 8 / 8
- 2022: 6 / 8
- 2023: 7 / 7
- 2024: 6 / 7

## Defining events in these cases

- [Loss of engine power (total)](https://openairdocs.org/ntsb-events/341): 108 cases
- [Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340): 38 cases
- [Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342): 18 cases
- [Loss of control in flight](https://openairdocs.org/ntsb-events/240): 4 cases
- [Miscellaneous/other](https://openairdocs.org/ntsb-events/900): 1 cases
- [Collision during takeoff/land](https://openairdocs.org/ntsb-events/490): 1 cases
- [Aerodynamic stall/spin](https://openairdocs.org/ntsb-events/241): 1 cases
- [Nose over/nose down](https://openairdocs.org/ntsb-events/096): 1 cases
- [Abnormal runway contact](https://openairdocs.org/ntsb-events/090): 1 cases
- [Unknown or undetermined](https://openairdocs.org/ntsb-events/000): 1 cases

## Aircraft models (registry)

- [Cirrus Design SR22](https://openairdocs.org/model/cirrus-design-sr22): 5 cases
- [Beech A36](https://openairdocs.org/model/beech-a36): 5 cases
- [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200): 4 cases
- [Piper PA-28-180](https://openairdocs.org/model/piper-pa-28-180): 4 cases
- [Beech V35](https://openairdocs.org/model/beech-v35): 4 cases
- [Raytheon A36](https://openairdocs.org/model/raytheon-a36): 3 cases
- [Piper PA-32R-300](https://openairdocs.org/model/piper-pa-32r-300): 3 cases
- [Mooney M20J](https://openairdocs.org/model/mooney-m20j): 3 cases
- [Cessna 172RG](https://openairdocs.org/model/cessna-172rg): 3 cases
- [Cessna 172M](https://openairdocs.org/model/cessna-172m): 3 cases

## Other findings in the same cases

- [Recip eng oil sys](https://openairdocs.org/ntsb-findings/01058550) (Aircraft): 43 cases
- [Recip engine power section](https://openairdocs.org/ntsb-findings/01058520) (Aircraft): 29 cases
- [Recip eng cyl section](https://openairdocs.org/ntsb-findings/01058530) (Aircraft): 20 cases
- [Installation](https://openairdocs.org/ntsb-findings/02062035) (Personnel issues): 18 cases
- [Preflight inspection](https://openairdocs.org/ntsb-findings/02061510) (Personnel issues): 15 cases
- [Scheduled/routine maintenance](https://openairdocs.org/ntsb-findings/02062010) (Personnel issues): 14 cases
- [Engine (reciprocating), general](https://openairdocs.org/ntsb-findings/01058500) (Aircraft): 13 cases
- [Eng oil dist (airframe furn)](https://openairdocs.org/ntsb-findings/01057920) (Aircraft): 12 cases
- [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 11 cases
- [Not determined, general](https://openairdocs.org/ntsb-findings/05000000) (Not determined): 10 cases

## Newest cases

- [NTSB WPR24LA210](https://openairdocs.org/ntsb/WPR24LA210), Jun 20, 2024: Lancair LC42-550FG (N141PB), Humboldt Bay, CA, substantial damage. Probable cause: Maintenance personnel’s incorrect installation of an engine rocker cover gasket, which resulted in oil exhaustion and subsequent loss of engine power during the initial climb.
- [NTSB CEN24FA212](https://openairdocs.org/ntsb/CEN24FA212), Jun 7, 2024: Beech V35A (N150WR), Arvada, CO, destroyed, 1 fatal. Probable cause: A total loss of engine power due to oil starvation as a result of loose turbocharger oil line fittings.
- [NTSB CEN24LA211](https://openairdocs.org/ntsb/CEN24LA211), May 22, 2024: Cessna 172RG (N751DW), Chandeleur Island, LA, substantial damage. Probable cause: A fatigue failure of the engine oil pressure line, which resulted in the loss of engine oil during the flight and subsequent damage to the nose landing gear support structure during the precautionary…
- [NTSB ERA24LA159](https://openairdocs.org/ntsb/ERA24LA159), Mar 30, 2024: Dta Voyager II 912S (N20330), Clermont, FL, substantial damage. Probable cause: Lack of lubrication of the No. 4 connecting rod bearing, which resulted in a total loss of engine power.
- [NTSB CEN24LA140](https://openairdocs.org/ntsb/CEN24LA140), Mar 25, 2024: Cessna T210 (N498TB), San Saba, TX, substantial damage. Probable cause: A total loss of engine power due to multiple connecting rod failures from oil starvation.
- [NTSB ERA24LA143](https://openairdocs.org/ntsb/ERA24LA143), Mar 17, 2024: Beech A36 (N729CW), Blackshear, GA, substantial damage. Probable cause: A catastrophic engine failure due to oil starvation, which resulted in a total loss of engine power.
- [NTSB WPR24LA087](https://openairdocs.org/ntsb/WPR24LA087), Feb 10, 2024: Mooney M20K (C-FLQQ), Burley, ID, substantial damage. Probable cause: The failure of the pilot to fly a stabilized approach during an emergency landing with a tailwind, which resulted in a bounced landing and subsequent runway excursion during the landing roll.…
- [NTSB WPR24LA064](https://openairdocs.org/ntsb/WPR24LA064), Dec 21, 2023: Diamond Aircraft Ind DA 40 (N453DS), Spanish Fork, UT, substantial damage. Probable cause: Maintenance personnel’s improper installation of the left magneto, which resulted in oil starvation to the engine and a subsequent total loss of engine power.
- [NTSB CEN24FA057](https://openairdocs.org/ntsb/CEN24FA057), Dec 10, 2023: Beech A23-24 (N6945Q), Oklahoma City, OK, destroyed, 2 fatal. Probable cause: A total loss of engine power due to multiple connecting rod failures from oil starvation associated with an extensive before takeoff oil system leak, the source of which could not be identified due…
- [NTSB ERA23FA273](https://openairdocs.org/ntsb/ERA23FA273), Jun 25, 2023: Mooney M20R (N13LV), Southport, NC, destroyed, 1 fatal. Probable cause: The pilot’s improper decision to fly a known unairworthy airplane, which resulted in a total loss of engine power due to oil starvation.

NTSB has coded findings and defining events since 2008; earlier cases used its older occurrence and cause codes and aren't counted.

Findings: https://openairdocs.org/ntsb-findings.md. Defining events: https://openairdocs.org/ntsb-events.md. Phases of flight: https://openairdocs.org/ntsb-phases.md. Every investigation, filtered by finding, event, phase, state, year or model: https://openairdocs.org/ntsb.md (for example ?state=MI&fatal=1).

NTSB's definitions: Accident and incident, 49 CFR 830.2 (https://www.ecfr.gov/current/title-49/subtitle-B/chapter-VIII/part-830/subpart-A/section-830.2), CICTT occurrence categories (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/OccurrenceCategoryDefinitions.pdf), CICTT phases of flight (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/PhaseofFlightDefinitions.pdf), and NTSB coding manual, before 2008 (PDF) (https://www.ntsb.gov/GILS/Documents/codman.pdf). NTSB publishes no definitions for its findings, only their names.

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