# Accident 20220716012589A: Socata TB21, San Marcos, CA, July 16, 2022

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 16, 2022, 18:15 local time
- Place: San Marcos, CA
- Damage: Destroyed
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 33.1099° N, 117.2254° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.1099&lon=-117.2254&mi=10
- Aircraft: N718TB, a cancelled registration (https://openairdocs.org/deregistered/N718TB-2023-08-23) (OpenAirDocs)
- Registry model: Socata TB21 (registry code 8680697, https://openairdocs.org/model/socata-tb21) (OpenAirDocs)
- Registry engine: Lycoming TI0-540 series (registry code 41533, https://openairdocs.org/engine/lycoming-ti0-540-series) (OpenAirDocs)
- Reported make and model: SOCATA TB21
- Reported engine: LYCOMING TI0-540 SER
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 2
- NTSB investigation: [NTSB WPR22LA259](https://openairdocs.org/ntsb/WPR22LA259) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20220716012589A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

^PRIVACY DATA OMITTED^PILOT PICKED UP AIRCRAFT AT A REPAIR FACILITY AT MONTGOMERY AIRPORT (MYF) AFTER THE COMPLETION OF OF AN ANNUAL INSPECTION.PILOT WANTED TO DO SOME PATTERN WORK TO ENSURE THE AIRCRAFT WAS PERFORMING PROPERLY BUT ATC ONLY ALLOWED HIM TO DO ONE TAKEOFF AND ONE LANDING. PILOT WITH NO PASSENGERS ON BOARD DID PERFORM ONE TAKE OFF AND ONE LANDING NO DISCREPANCIES WHERE FOUND THE AIRCRAFT OPERATED PROPERLY. PILOT MADE DECISION TO FLY HOME WITH ONE PASSENGER ON BOARD. TAKE OFF FROM MONTGOMERY FIELD WAS NORMAL AND AIRCRAFT CLIMBED TO 6,500 FEET. GETTING CLOSE TO THE COAST  PILOT REPORTED THE ENGINE MAKING GOOD POWER AND ALL INSTRUMENTS APPEARED NORMAL. HEADING NORTH OVER THE COAST LINE THE ENGINE MADE A NOISE AND APPEARED TO STUTTER OVER THE COURSE OF A FEW SECONDS. PILOT MADE A MAYDAY CALL STATING THEY HAD LOST THE ENGINE. PILOT DECIDED TO LAND AT PALOMAR AIRPORT (CRQ) BECAUSE IT WAS  CLOSER THAN OCEANSIDE. CHECKING ENGINE INSTRUMENTS AGAIN IT APPEARED THE ENGINE HAD RPM AND MANIFOLD PRESSURE AND  WAS STILL RUNNING WITH LIMITED POWER. PILOT REPORTED TO ATC THAT HE HAD PARTIAL ENGINE POWER. DESPITE THROTTLE,PROP, AND MIXTURE BEING FULL FORWARD THE AIRCRAFT WAS STILL LOSING ALTITUDE. UNABLE TO MAINTAIN ALTITUDE AND  DECENDING THROUGH THE CLOUDS THE AIRCRAFT WAS FLYING  JUST ABOVE HOUSES AND HILLTOPS. AT THIS TIME THE PILOT COULD SEE A ROAD WITH CARS ON AT THE INTERSECTION. DELAYING LOWERING THE GEAR AND FLAPS THE PILOT LANDED ON THE ROAD. TRYING TO AVOID CARS AS THE RED LIGHT TURNED  HOW EVER THE AIRCRAFTS LEFT WING  MADE CONTACT WITH A SUV AND THE RIGHT WING CLIPED A LIGHT POLE. TWO PEOPLE IN A CAR WHERE SLIGHTLY INJURED.

## The NTSB's investigation of this event (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 WPR22LA259](https://openairdocs.org/ntsb/WPR22LA259), Jul 17, 2022: Socata TB21 (N718TB), San Marcos, CA, substantial damage. Probable cause: The failure of the mechanical fuel pump due to internal friction for reasons that could not be determined based on available evidence, which resulted in a total loss of engine power.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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