Appendix A - T-39 Aircraft Liminations - Cont'd

STUDENT GUIDE T-39N/G NATOPS

MISCELLANEOUS

starter limits

4 - 30 second attempts, 2 mins between ea. in a 20 min

period

igniter limits

2 min on, 3 min off, 2 min on, 23 min off

1.5 EPR

required for engine anti-icing

3300 lbs

takeoff power thrust at sea level

0 - 2500 AGL

limits of radar altimeter

0 - 8000 MSL

no pressurization occurs

1500 AGL-

min altitude for autopilot engagement; T/R switch OFF

10,000 + 400 MSL

CABIN PRESS FAIL light on; FASTEN SEATBELT It

13,500 + 500 MSL

02 warning horn; automatic passenger 02 flow

FL 180

max for aux air conditioner

25,000 MSL

remain below if cabin unpressurized.

41,000 MSL

all occupants wear oxygen masks above

45,000 MSL

aircraft ceiling

260 - 600 PPH

start fuel flow, each engine

1063 gallons

useable fuel

200 lbs

max fuel imbalance for takeoff or landing

300 lbs

low fuel lights on

400 lbs

max fuel imbalance enroute

11,700

empty weight

13,300

zero fuel weight

17,500

max landing weight

20,000 lbs

max takeoff weight

20,400 lbs

max gross weight

10 seconds

max time allowed at zero or negative g

20 seconds

if no lightoff during start, windmill; if no oil pressure

during start, shutdown

0 2.0 g

gear and/or flaps extended

-1.0 - 4.0 g

sea level to 20,000 MSL, upper limit decreasing by 1/2g

each additional 5,000 feet

1.6 gallons

oil capacity

2 gallons

hydraulic reservoir capacity

Airstart envelope

below 29,000 MSL, > 160 KIAS

Max range

25,000 MSL and .55 PAN (with cabin press failed)

Clean glide

21NM per 10,000 AGL (dirty is approximately 1/2 of this)

Noise abatement T/O

set EPR = 1.6, 160 KIAS climb

30 minutes

emergency lights battery life

4 hours

standby attitude indicator power

45 minutes

battery life with dual generator failure

AIRCRAFT LIMITATIONS

A-3