RECORD OF

VISIT

TIME
7:00 AM

DATE:
01/21/2000

NAME(S) OF PERSON(S) CONTACTED OR IN CONFERENCE AND LOCATION
Robert Scovill-Owner of N52749, a Cessna 172P

Robert Cunningham-PMI, Orlando FSDO

Bill Allen-MTSU Aerospace Facilities Manager

Paul Jones-SPM, Nashville FSDO, Craig Roberts-ASI, Nashville FSDO

SUBJECT
Water Egress Test of Cessna 172P w/Aircraft Leveled

DIGEST
On January 21, 2000, at the MTSU Aerospace hangar in Murfreesboro, TN, a test was performed on the aircraft

N52749 of Robert Scovill to determine the egress capability of water in the integral wing fuel tanks. This aircraft

has Cessna Service Kit SK182-100 installed incorporating 4 additional sump drains in each wing.

The aircraft was leveled in accordance with the Cessna service manual. The top three access panels are removed

and 32 ounces of dyed water was introduced through the openings of each wing.

After 5 minutes, the wings were sumped with the following results:

Left wing

Right wing

original factory sump

clear

clear

aft middle sump

clear

clear

aft outboard sump

negligible

negligible

forward outboard sump

clear

clear

forward inboard sump

clear

clear

An additional 20 ounces were introduced into each fuel filer port and the wings were again sumped. No water

was found in any sample from all 10 sump drains. A total of 52 ounces of water remained in each wing.

The aircraft was rocked by its wings for 30 seconds and sumped again with the following results.

Left wing

Right wing

original factory sump

Clear

Clear

aft middle sump

Clear

Clear

aft outboard sump

Clear

Clear

forward outboard sump

Clear

Clear

forward inboard sump

29 ozs.

18.5 ozs.

Water remaining in wing

23 ozs.

33.5 ozs.

 DATE
04/28/2000

TITLE
Aviation Safety Inspector

SIGNATURE

M. CRAIG ROBERTS