Cessna 210E N4916U

Summary

On 25 March 1986 at about 21:45 local time, a Cessna 210E registered N4916U was involved in an accident near Jacksonville, Florida, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

25 March 1986 at 21:45

Classification

Accident

Location

Jacksonville, Florida, United States

Nearest airport

Herlong (23J)

Coordinates

30.2708, -81.7498

Aircraft

Cessna 210E

Registration

N4916U

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Jacksonville → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

MIA86LA104

Nobody was injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

AFTER DEPARTURE PLT SELECTED LANDING GEAR UP AND DID NOT RECEIVE A GEAR UP INDICATION. ANOTHER AIRCRAFT FLEW UNDER THE AIRCRAFT AND REPORTED THE NOSE GEAR AND LEFT MAIN GEAR WERE UP AND THAT THE RIGHT MAIN GEAR WAS PARTIALLY EXTENDED. WHEN ATTEMPTS TO CORRECT THIS SITUATION WERE UNSUCCESSFUL THE AIRCRAFT WAS LANDED IN THIS CONFIGUARTION. POST CRASH INSPECTION OF THE AIRCRAFT REVEALED A SECONDARY RELIEF VALVE IN THE HYDRAULIC POWER PACK WAS BEING HELD OPEN BY CONTAMINATION ALLOWING HYDRAULIC PRESSURE TO BY PASS THE LANDING GEAR ACTUATORS. THE LOGBOOK RECORDS FOR THE AIRCRAFT REVEALED NO EVIDENCE THE HYDRAULIC POWER PACK HAD EVER BEEN OVERHAULED OR THAT A MODIFICATION TO REMOVE THE SECONDARY RELIEF VALVE HAD BEEN COMPLIED WITH.

Quoted verbatim from the NTSB record.