Cessna 414 N4733G

Summary

On 15 January 1993 at about 21:43 local time, a Cessna 414 registered N4733G, operated by Plane Wrap, was involved in an accident near Reno, Nevada, United States. 2 people were on board and 2 died. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

15 January 1993 at 21:43

Classification

Accident

Location

Reno, Nevada, United States

Nearest airport

Reno Cannon I'ntl (RNO)

Coordinates

39.4801, -119.7394

Aircraft

Cessna 414

Registration

N4733G

Category

Airplane

Engines

2

Operator

Plane Wrap

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Unknown → Camarillo

Aircraft damage

Destroyed

Weather

IMC

Light

Day

NTSB number

LAX93FA095

2 people died.

THE FAILURE OF THE PILOT TO USE PITOT STATIC SYSTEM COVERS DURING ICING CONDITIONS WHICH RESULTED IN A BLOCKED PITOT TUBE AND SUBSEQUENT LOSS OF AIRSPEED INDICATIONS. THIS LED TO PILOT DISORIENTATION AND AN INVERTANT STALL. FACTORS TO THE ACCIDENT WERE IMPROPER SNOW REMOVAL AND ADVERSE WEATHER CONDITIONS.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

A CESSNA 414 COLLIDED WITH A LEVEL GROUND WHILE ATTEMPTING TO LAND DURING A SNOW SHOWER. THE PILOT REPORTED AN EMERGENCY ONE MINUTE AFTER DEPARTING IFR AND REQUESTED TO RETURN TO THE AIRPORT UNDER VISUAL RULES. THE PILOT INDICATED TO AIR TRAFFIC CONTROL THAT 'I CAN'T GET ANY SPEED.' THE VISIBILITY WAS VARIABLE AROUND THE AIRPORT WITH THE LOWEST REPORT OF 1/2 MILE. WITNESSES OBSERVED THE AIRPLANE TRAVELING FAST AT LOW ALTITUDE AND INDICATED BOTH ENGINES WERE RUNNING. INVESTIGATION REVEALED DURING SERVICING BEFORE THE FLIGHT, THE PITOT TUBE COVERS WERE NOT USED. ABOUT 1.5 INCHES OF SNOW HAD ACCUMULATED ON THE AIRPLANE DURING THE REFUELING AND WAS BRUSHED OFF. THE AIRPLANE WAS SEEN FLYING INTO A SNOW SHOWER AND REVERSING COURSE. WITNESSES REPORTED THE AIRPLANE'S ANGLE OF BANK TO BE 80 TO 90 DEGREES WITH A 20 DEGREE PITCH DOWN ATTITUDE. THE AIRPLANE DESCENDED INTO A SNOW COVERED PASTURE. WITNESSES REPORTED THE AIRPLANE LEVELED ITS WING JUST BEFORE IMPACT. MANUFACTURER'S SAFETY AND WARNING SUPPLEMENTS INDICATE INFLIGHT ICE PROTECTION IS NOT DESIGNED TO REMOVE SNOW ON PARKED AIRCRAFT. THE MANUFACTURER RECOMMENDS USE OF HEATED HANGARS OR APPROVED DEICING SOLUTIONS TO INSURE THE ARE NO INTERNAL ACCUMULATIONS IN PITOT STATIC SYSTEM PORTS.

Quoted verbatim from the NTSB record.