- Date
- October 21, 1989, 21:38 local (Oct 22, 1989, 02:38 UTC)
- Place
- Laredo, TX
- Injuries
- 4 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N21GCCessna T-337G-P
- Weather
- Visual (VMC) · Night/dark
- Status
- Completed · report June 25, 1992
- Report
- Approved by Office Director
- Case key
- 23066
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
Double engine failure due to fuel exhaustion. The fuel exhaustion was caused by incorrect inflight fuel consumption calculations and one inaccurate fuel quanity gauge. Contributing to the accident was the dark night restriction to visibility.
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.
Loss of engine power(total) - nonmechanical
All engines
Fuel consumption calculations - inadequateCause
Fluid,fuel - exhaustionCause
Fuel system,fuel quantity float/sensor - incorrectFactor
Forced landing
In flight collision with object
Light condition - dark nightFactor
Object - wire,transmission
Visual lookout - restrictedFactor
In flight collision with terrain/water
Aircraft
- Registration
- N21GC
- Reported as
- Cessna T-337G-P
- Category
- Airplane
- Serial number
- P3370130
- Engine
- Continental TSIO-360-C, 225 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Business · Part 91
- Registered owner
- Stanley, William
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · November 9, 1988 · 141 hours before
- Departed
- OLS · Nogales, AZ
- Destination
- LRD
- Airport
- LRD · Laredo Int'L
N21GCRegistration cancelled Aug 9, 2012 · Cessna T337GAirframe modelCessna T337GEngine modelContinental IO-360 series
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
- 47
- Certificates
- Commercial, Airline transport, Military
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 4,398 total · 36 in this make and model · 3,872 as pilot in command · 70 in the last 90 days · 23 in the last 30 days · 5 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Night/dark
- Wind
- 120° at 7 knots
- Visibility
- 15 statute miles
- Lowest ceiling
- None
- Temperature
- 72 °F, dew point 45 °F
- Altimeter
- 30.00 inHg
- Observed at
- LRD, 5 nm away