- Registered owner
- Desert Air Ambulance Inc
- Location
- Menifee, CA
- Owner type
- Corporation
- Serial number
- 421C0905
- Year built
- 1980
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- September 18, 1980
- Certificate issued
- May 2, 2025
- Expires
- May 31, 2032
- Mode S code
- AA1075
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 54
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 2 |
|---|---|
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 1 |
| 1984 | 2 |
| 1986 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 2 |
| 2005 | 4 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2012 | 1 |
| 2016 | 3 |
| 2018 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 5 |
See all 62 ADs
Information bulletins that may apply · 16
Advisory, not mandatory.
See all 18 bulletins
NTSB investigations
No NTSB investigations matched to N748CAMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Cessna 421C aircraft
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR IBU2001F00000Bolt · shearedALTERNATOR CASE THIN BOLTS ARE SHEARING. BOLTS THAT RECOVERED FROM ENGINE COWLING, SHOWS SIGNS OF STRETCHING. BOLTS POSSIBLE OVER TORQUED FROM FACTORY.SDR 20001109SH006Line · leakingRIGHT BRAKE INOPERATIVE. BRAKES WERE SERVICED AND BLED, THEN MECHANIC FOUND HYDRAULIC FLUID LEAKING FROM BOTTOM OF AIRCRAFT. ON FURTHER INSPECTION, LINE PN 5100106-159 WAS FOUND TO HAVE PIN HOLES IN IT. SUBMITTER RECOMMENDED: INSPECT THIS LINE IN MORE DETASDR 99ZZZX1122Valve Springs · failedUPON AIRCRAFT AND ENGINES ROUTINE OPS 1 AND 2 (100 HRS) INSPECTIONS, COMPRESSION ON NR 5 CYLINDER WAS 52/80 AND LEAKING BY THE STATIC SEAL (EXHAUST VALVE). CYLINDER WAS DISSASSEMBLED AND VISUALLY INSPECTED. FOUND BOTH INTAKE AND EXHAUST VALVE INNER VALVE SPRSDR 98ZZZX1986Valve Spring · failedPILOT REPORTED VIBRATION ON RT SIDE OF AIRCRAFT DURING TAKEOFF ROLL AND CLIMB OUT. COULD NOT CORRECT WITH ENGINE CONTROLS (RPM, M.A.P., FUEL OR MAGS). RETURNED TO AIRPORT MAINT FACILITY AND REPORTED OUT OF BALANCE PROP. UPON MAINT GROUND RUN, ENG RAN ROUGH,
STCs that may be installed · 279
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Cessna 421C
STC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light Controller