# Lockheed C-121C

- Type: Aircraft model (FAA registry)
- Registry code: 5262118
- Manufacturer (registry): LOCKHEED
- Model: C-121C
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 4 · Reciprocating
- Seats: 112
- Weight class: 20,000 lb and over
- Cruise speed: 266 mph
- Certification: Type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/lockheed-c-121c

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (6)

As reported by operators and repair stations, by the model named in the report.

- [SDR AUS20010844](https://openairdocs.org/sdr/AUS20010844), Jul 13, 2001: GOVERNOR. FAULTY. (AUS) NR 4 ENGINE GOVERNOR FAULTY.
- [SDR AU010054](https://openairdocs.org/sdr/AU010054), Jan 21, 2001: PISTON. BROKEN. (AUS) LANDING GEAR SELECTOR VALVE PISTONS (2OFF4) BROKEN ACROSS SHANK IN AN O-RING SEAL GROOVE. BROKEN PISTON JAMMED IN PORT.
- [SDR AU981093](https://openairdocs.org/sdr/AU981093), Aug 23, 1998: COVER. CRACKED. (AUS) ENGINE CYLINDER ROCKER COVER CRACKED AND LEAKING.
- [SDR AU970700](https://openairdocs.org/sdr/AU970700), Jun 24, 1997: GUIDE. FAILED. (AUS) NO2 ENGINE FRONT SUMP PLUG CONTAMINATED WITH A SMALL PIECE OF FERROUS MATERIAL - INVESTIGATION FOUND PIECE OF METAL HAD CHIPPED OFF NO2 CYLINDER INLET VAL
- [SDR AU961050](https://openairdocs.org/sdr/AU961050), Jul 11, 1996: VALVE GUIDE. WORN. (AUS) ENGINE CYLINDER EXHAUST VALVE GUIDE WORN AND LOOSE IN CYLINDER HEAD
- [SDR AU960183](https://openairdocs.org/sdr/AU960183), Jan 25, 1996: CABLE. BROKEN. (AUS) NO3 ENGINE EMERGENCY SHUTOFF CABLE FAILED - SUSPECT CABLE FAILED AT A POINT WITHIN A PULLEY BLOCK WHERE THE CABLE HAD BEEN DAMAGED- NO CORROSION OR WEAR W

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