Flight ceiling
MQ1: 25000 feet Max or 7.6KM
which is within range of Man pads within Pakistani inventory
MQ9:25000 feet Max or 7.6KM
Same story here
MQ4 Global Hawk (Only reconnaissance plane)
Flight ceiling: 60000 feet 18.8 KM
Interceptable with Medium rannged SAM
You can cross check these stats yourself
With respect, I beg to differ on your assessment of the intercept ranges of MANPADS in Pakistani inventory: we should be talking maximum intercept altitude or 'ceiling' here.
FIM-92 Stinger
(100 taken by Pakistan from US aid destined for Afghan Mujahideen in 1985, and 50 more in 1987)
Range from 0.2 km to 4.8 km,
ceiling 3.8km (maximum of 8km only per 1996 RMP version)
RBS 70 :
(at least 680 and possibly 824 delivered by Sweden in 1986-1987, including 144 launchers, with assembly in Pakistan, more deliveries 1988-2015 with total up 1350, some 913 remaining in service)
range from 0.25 km to 5-6 km,
ceiling 3 km for mk1 & mk2 (Bolide upgrade 8km and 5km, since 2005)
Mistral
(at least 100 and possibly 230 delivered by France in 1994-1995)
Range 0.5km to 6 km,
ceiling 3 km
HN-5A (Reverse engineered SA-7)
(100 delivered by China in 1987, 200 more between 1989 and 1990)
Range from 0.8 km to 4.4 km,
ceiling 2.5 km
Anza Mk-I
(1000 HN-5B produced in Pakistan under license from China between 1989 and 1998)
Range from 1.2 km to 4.2 km,
ceiling 2.3km
Anza Mk-II
(1650 QW-1 produced in Pakistan under license from China between 1994 and 2012)
Range from 0.5 km to 5 km,
ceiling 4km
Anza Mk-III
(QW-2 produced in Pakistan under license from China between 2012 and present)
Range up to 0.4 km to 6 km,
ceiling 3.5 km
FN-6
(50 delivered by China in 2010)
Range from 0.5 km to 6 km,
ceiling 3.5 km
As for other air defence missile systems that are (or used to be) in Pakistan's inventory:
HQ2B (China)
(Version of Russian SA-2 Guideline, at least 12 batteries procured ca. 1970s, 40 missiles and 1 system in 1983)
Range 45km,
ceiling 25km
R440 Crotale (France)
(‘Pasban program’: 11 Crotale systems ordered 1974 and delivered 1977-1978, with 350 R-440 missiles. 1 more system ordered 1983, delivered in 1985. Current status: phased out?)
Effective range: 0.5 – 10 km,
Effective altitude: 0.15 – 5.5 km
Spada/Aspide 2000 (Italy)
(10 Spada-2000 Plus SHORAD systems and 750 Aspide-2000 ordered 2007, 10 systems and 200 missiles delivered 2010-2013)
Range at least 20km, possibly up to 28km. Ceiling
at least 5km (= value for older Aspide mk1, mk2)
HQ7/FM-90 (China)
(Improved version of French R440 Crotale, 400 missiles ordered 2013, 275 delivered 2014-2015)
Range: 0.7 km to 15 km,
ceiling 6 km
HQ-16/LY-80 (China)
(Improved, wheeled version of Russian BUK 9K37M1-2, 150 ordered in 2014)
Range at least 42km and possibly 50km,
ceiling at least 10km and possible 25km (depends on source)
HQ9 (China)
(medium- to long-range SAM akin to Russian S-300, under negotiation 2016)
Maximum range
against aircraft target of 125km (export system, 200 km for domestic use),
ceiling up to 27km. (For range and ceiling against different targets, see
http://www.ausairpower.net/APA-HQ-9-FD-FT-2000.html#mozTocId527286)