- Date
- March 3, 1989, 02:45 local (08:45 UTC)
- Place
- San Antonio, TX
- Injuries
- 2 uninjured
- Damage
- Destroyed
- Phase of flight
- Landing
- Aircraft
- N5999MCessna 421B
- Weather
- Instrument (IMC) · Night/dark
- Status
- Completed · report September 28, 1990
- Report
- Approved by Office Director
- Case key
- 22844
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The failure of the pilot to follow the proper procedures/directives by not following the glideslope which resulted in not being able to attain the proper touchdown point.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Overrun
Light condition - dark nightFactor
Weather condition - low ceilingFactor
Ifr procedure - not followedCause
Weather condition - obscurationFactor
Proper glidepath - not followedCause
Planned approach - not followedCause
Go-around - not performedCause
In flight collision with terrain/water
Terrain condition - rough/unevenFactor
In flight collision with object
Object - approach light/navaidFactor
Aircraft
- Registration
- N5999M
- Reported as
- Cessna 421B
- Category
- Airplane
- Serial number
- 0242
- Airframe hours
- 2,897
- Engine
- Continental GTSIO-520-H, 375 horsepower, reciprocating
- Damage
- Destroyed
- Fire
- On-Ground
- Flight
- Business · Part 91
- Registered owner
- Oldenburg, C.M.
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · April 6, 1988 · 53 hours before
- Departed
- MEM · Memphis, TN
- Destination
- SAT
- Flight plan
- IFR
- Airport
- SAT · San Antonio International, runway 30, 8,502 × 150 ft, asphalt
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 45
- Certificate
- Private
- Airplane ratings
- Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 732 total · 34 in this make and model · 587 as pilot in command · 36 in the last 90 days · 11 in the last 30 days · 8 in the last 24 hours
Weather
- Conditions
- Instrument (IMC) · Night/dark
- Wind
- 150° at 6 knots
- Lowest ceiling
- 100 ft
- Temperature
- 57 °F, dew point 57 °F
- Altimeter
- 29.00 inHg
- Observed at
- SAT, 1 nm away